SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

American Tower Corp./MA – ‘10-K’ for 12/31/23 – ‘EX-101.CAL’

On:  Tuesday, 2/27/24, at 4:21pm ET   ·   For:  12/31/23   ·   Accession #:  1053507-24-11   ·   File #:  1-14195

Previous ‘10-K’:  ‘10-K’ on 2/23/23 for 12/31/22   ·   Latest ‘10-K’:  This Filing   ·   59 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 2/27/24  American Tower Corp./MA           10-K       12/31/23  167:22M

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   4.08M 
 2: EX-4.32     Instrument Defining the Rights of Security Holders  HTML    272K 
 3: EX-10.14    Material Contract                                   HTML     64K 
 4: EX-10.15    Material Contract                                   HTML     66K 
 5: EX-10.28    Material Contract                                   HTML     73K 
 6: EX-10.29    Material Contract                                   HTML     56K 
 7: EX-10.30    Material Contract                                   HTML     49K 
 8: EX-10.31    Material Contract                                   HTML     48K 
 9: EX-21       Subsidiaries List                                   HTML    156K 
10: EX-23       Consent of Expert or Counsel                        HTML     43K 
14: EX-97       Clawback Policy re: Recovery of Erroneously         HTML     66K 
                Awarded Compensation                                             
11: EX-31.1     Certification -- §302 - SOA'02                      HTML     49K 
12: EX-31.2     Certification -- §302 - SOA'02                      HTML     49K 
13: EX-32       Certification -- §906 - SOA'02                      HTML     47K 
20: R1          Cover                                               HTML    143K 
21: R2          Audit Information                                   HTML     49K 
22: R3          Consolidated Balance Sheets                         HTML    182K 
23: R4          Consolidated Balance Sheets (Parenthetical)         HTML     56K 
24: R5          Consolidated Statements of Operations               HTML    148K 
25: R6          Consolidated Statements of Operations               HTML     47K 
                (Parenthetical)                                                  
26: R7          Consolidated Statements of Comprehensive Income     HTML     82K 
27: R8          Consolidated Statements of Comprehensive Income     HTML     52K 
                (Parenthetical)                                                  
28: R9          Consolidated Statements of Equity                   HTML    145K 
29: R10         Consolidated Statements of Equity (Parenthetical)   HTML     50K 
30: R11         Consolidated Statements of Cash Flows               HTML    157K 
31: R12         Business and Summary of Significant Accounting      HTML    214K 
                Policies                                                         
32: R13         Prepaid and Other Current Assets                    HTML     54K 
33: R14         Property and Equipment                              HTML     84K 
34: R15         Leases                                              HTML    270K 
35: R16         Goodwill and Other Intangible Assets                HTML    120K 
36: R17         Acquisitions                                        HTML     73K 
37: R18         Accrued Expenses                                    HTML     58K 
38: R19         Long-Term Obligations                               HTML    356K 
39: R20         Other Non-Current Liabilities                       HTML     51K 
40: R21         Asset Retirement Obligations                        HTML     55K 
41: R22         Fair Value Measurements                             HTML     95K 
42: R23         Income Taxes                                        HTML    154K 
43: R24         Stock-Based Compensation                            HTML    108K 
44: R25         Equity                                              HTML     81K 
45: R26         Noncontrolling Interests                            HTML     65K 
46: R27         Other Operating Expense                             HTML     90K 
47: R28         Earnings Per Common Share                           HTML     64K 
48: R29         Commitments and Contingencies                       HTML     54K 
49: R30         Supplemental Cash Flow Information                  HTML     60K 
50: R31         Business Segments                                   HTML    308K 
51: R32         Related Party Transactions                          HTML     49K 
52: R33         Subsequent Events                                   HTML     48K 
53: R34         Schedule III - SCHEDULE OF REAL ESTATE AND          HTML    102K 
                ACCUMULATED DEPRECIATION                                         
54: R35         Insider Trading Arrangements                        HTML     66K 
55: R36         Business and Summary of Significant Accounting      HTML    160K 
                Policies (Policies)                                              
56: R37         Business and Summary of Significant Accounting      HTML    161K 
                Policies (Tables)                                                
57: R38         Prepaid and Other Current Assets (Tables)           HTML     55K 
58: R39         Property and Equipment (Tables)                     HTML     84K 
59: R40         Leases (Tables)                                     HTML    130K 
60: R41         Goodwill and Other Intangible Assets (Tables)       HTML    123K 
61: R42         Acquisitions (Tables)                               HTML     64K 
62: R43         Accrued Expenses (Tables)                           HTML     58K 
63: R44         Long-Term Obligations (Tables)                      HTML    319K 
64: R45         Other Non-Current Liabilities (Tables)              HTML     51K 
65: R46         Asset Retirement Obligations (Tables)               HTML     54K 
66: R47         Fair Value Measurements (Tables)                    HTML     87K 
67: R48         Income Taxes (Tables)                               HTML    155K 
68: R49         Stock-Based Compensation (Tables)                   HTML    105K 
69: R50         Equity (Tables)                                     HTML     78K 
70: R51         Noncontrolling Interests (Tables)                   HTML     58K 
71: R52         Other Operating Expense (Tables)                    HTML     91K 
72: R53         Earnings Per Common Share (Tables)                  HTML     66K 
73: R54         Supplemental Cash Flow Information (Tables)         HTML     59K 
74: R55         Business Segments (Tables)                          HTML    306K 
75: R56         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     88K 
                POLICIES - Principles of Consolidation and Sale of               
                Mexico Fiber and Poland Subsidiary (Details)                     
76: R57         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     46K 
                POLICIES - Segments (Details)                                    
77: R58         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     53K 
                POLICIES - Accounts Receivable and Deferred Rent                 
                Asset (Details)                                                  
78: R59         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     51K 
                POLICIES - Changes in Allowances (Details)                       
79: R60         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     51K 
                POLICIES - Net Foreign Currency Losses (Details)                 
80: R61         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     57K 
                POLICIES - Adoption of Highly Inflationary                       
                Accounting in Ghana (Details)                                    
81: R62         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     53K 
                POLICIES - Cash, Cash Equivalents, And Restricted                
                Cash (Details)                                                   
82: R63         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     65K 
                POLICIES - Property and Equipment (Details)                      
83: R64         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     56K 
                POLICIES - Goodwill and Other Intangible Assets                  
                (Details)                                                        
84: R65         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     61K 
                POLICIES - Asset Retirement Obligations (Details)                
85: R66         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     52K 
                POLICIES - Other Comprehensive Income (Loss))                    
                (Details)                                                        
86: R67         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     52K 
                POLICIES - Revenue Narrative (Details)                           
87: R68         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     98K 
                POLICIES - Disaggregation of Revenue (Details)                   
88: R69         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     59K 
                POLICIES - Schedule of Non-Lease Receivables                     
                Contract Assets and Liabilities From Contracts                   
                with Tenants (Details)                                           
89: R70         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     46K 
                POLICIES - Rent Expense (Details)                                
90: R71         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     71K 
                POLICIES - Stock-Based Compensation (Details)                    
91: R72         BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING      HTML     50K 
                POLICIES - Retirement Plan (Details)                             
92: R73         Prepaid and Other Current Assets (Details)          HTML     57K 
93: R74         PROPERTY AND EQUIPMENT- Summary of Property and     HTML     73K 
                Equipment (Details)                                              
94: R75         PROPERTY AND EQUIPMENT - Narrative (Details)        HTML     49K 
95: R76         PROPERTY AND EQUIPMENT - Schedule of Finance Lease  HTML     63K 
                Assets Included in Property Plant and Equipment                  
                (Details)                                                        
96: R77         LEASES - Narrative (Details)                        HTML     80K 
97: R78         LEASES - Future Minimum Rental Receipts Expected    HTML     58K 
                Under Operating Leases (Details)                                 
98: R79         LEASES - Information About Other Lease-related      HTML     62K 
                Balances (Details)                                               
99: R80         LEASES - Schedule of Weighted Average Lease Terms   HTML     55K 
                And Discount Rates (Details)                                     
100: R81         LEASES - Lease Costs (Details)                      HTML     48K  
101: R82         LEASES - Supplemental Cash Flow Information         HTML     59K  
                (Details)                                                        
102: R83         LEASES -Maturities Of Operating And Finance Leases  HTML     92K  
                (Details)                                                        
103: R84         GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in   HTML     92K  
                the Carrying Value of Goodwill (Details)                         
104: R85         GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative    HTML     59K  
                (Details)                                                        
105: R86         GOODWILL AND OTHER INTANGIBLE ASSETS - Other        HTML     70K  
                Intangible Assets Subject to Amortization                        
                (Details)                                                        
106: R87         GOODWILL AND OTHER INTANGIBLE ASSETS - Expected     HTML     55K  
                Future Amortization Expenses (Details)                           
107: R88         ACQUISITIONS - Schedule of Merger and Acquisition   HTML     48K  
                Related Costs (Details)                                          
108: R89         ACQUISITIONS - Narrative (Details)                  HTML     90K  
109: R90         ACQUISITIONS - Schedule of Allocation of Purchase   HTML     65K  
                Price for Asset Acquisitions (Details)                           
110: R91         Accrued Expenses (Details)                          HTML     64K  
111: R92         LONG-TERM OBLIGATIONS - Schedule of Long-Term Debt  HTML    332K  
                Obligations (Details)                                            
112: R93         LONG-TERM OBLIGATIONS - Current Portion of          HTML    122K  
                Long-Term Obligations and Bank Facilities                        
                (Details)                                                        
113: R94         LONG-TERM OBLIGATIONS - Schedule of Credit          HTML     85K  
                Facilities and Term Loans (Details)                              
114: R95         LONG-TERM OBLIGATIONS - Senior Notes (Details)      HTML    132K  
115: R96         LONG-TERM OBLIGATIONS - Key Terms Related to        HTML    282K  
                Outstanding Senior Notes (Details)                               
116: R97         LONG-TERM OBLIGATIONS - Subsidiary Debt Narrative   HTML    167K  
                (Details)                                                        
117: R98         LONG-TERM OBLIGATIONS - Schedule of India           HTML     72K  
                Indebtedness (Details)                                           
118: R99         LONG-TERM OBLIGATIONS - Schedule of Other           HTML     72K  
                Subsidiary Debt (Details)                                        
119: R100        LONG-TERM OBLIGATIONS - Finance Lease Obligations   HTML     46K  
                Narrative (Details)                                              
120: R101        LONG-TERM OBLIGATIONS - Maturities of Long Term     HTML     61K  
                Debt (Details)                                                   
121: R102        Other Non-Current Liabilities (Details)             HTML     50K  
122: R103        ASSET RETIREMENT OBLIGATIONS - Schedule of          HTML     58K  
                Carrying Value Of Asset Retirement Obligations                   
                (Details)                                                        
123: R104        ASSET RETIREMENT OBLIGATIONS - Narrative (Details)  HTML     45K  
124: R105        FAIR VALUE MEASUREMENTS - Assets And Liabilities    HTML     75K  
                Measured at Fair Value on a Recurring Basis                      
                (Details)                                                        
125: R106        FAIR VALUE MEASUREMENTS - Narrative (Details)       HTML    130K  
126: R107        FAIR VALUE MEASUREMENTS - Fair Value of the         HTML     57K  
                Individual Tower and Acquired Network Location                   
                Intangible Assets Subject to Impairment (Details)                
127: R108        FAIR VALUE MEASUREMENTS - Percentages of the Asset  HTML     52K  
                Class that were Subject to Fair Value Measurement                
                and Subsequently Impaired (Details)                              
128: R109        FAIR VALUE MEASUREMENTS - Fair Value of Goodwill    HTML     52K  
                (Details)                                                        
129: R110        INCOME TAXES - Income Tax Provision From            HTML     66K  
                Continuing Operations (Details)                                  
130: R111        INCOME TAXES - Narrative (Details)                  HTML     72K  
131: R112        INCOME TAXES - Reconciliation Between The U.S.      HTML     62K  
                Statutory Rate And The Effective Rate From                       
                Continuing Operations (Details)                                  
132: R113        INCOME TAXES - Domestic and Foreign Components Of   HTML     54K  
                Income From Continuing Operations Before Income                  
                Taxes (Details)                                                  
133: R114        INCOME TAXES - Components of the Net Deferred Tax   HTML     85K  
                Asset and Related Valuation Allowance (Details)                  
134: R115        INCOME TAXES - Valuation Allowance Activity         HTML     52K  
                (Details)                                                        
135: R116        INCOME TAXES - Net Operating Loss Carryforwards     HTML     63K  
                Expire (Details)                                                 
136: R117        INCOME TAXES - Reconciliation of Unrecognized Tax   HTML     65K  
                Benefits (Details)                                               
137: R118        STOCK-BASED COMPENSATION - Narrative (Details)      HTML    130K  
138: R119        STOCK-BASED COMPENSATION - Summary of Stock-based   HTML     56K  
                Compensation Expenses (Details)                                  
139: R120        STOCK-BASED COMPENSATION - Summary of the           HTML     99K  
                Company's Option Activity (Details)                              
140: R121        STOCK-BASED COMPENSATION - Schedule of Options      HTML     77K  
                Outstanding (Details)                                            
141: R122        STOCK-BASED COMPENSATION - Summary of RSUs and      HTML    116K  
                PSUs (Details)                                                   
142: R123        EQUITY - Narrative (Details)                        HTML     73K  
143: R124        EQUITY - Distributions Declared (Details)           HTML     71K  
144: R125        NONCONTROLLING INTERESTS - Narrative (Details)      HTML    132K  
145: R126        NONCONTROLLING INTERESTS - Schedule of Changes in   HTML     83K  
                Noncontrolling Interest (Details)                                
146: R127        OTHER OPERATING EXPENSE - Schedule of Other         HTML     54K  
                Operating Expenses (Details)                                     
147: R128        OTHER OPERATING EXPENSE - Impairment Charges        HTML     61K  
                (Details)                                                        
148: R129        OTHER OPERATING EXPENSE - India Impairments         HTML     60K  
                (Details)                                                        
149: R130        OTHER OPERATING EXPENSE - Severance and Related     HTML     59K  
                Costs by Operating Segments (Details)                            
150: R131        OTHER OPERATING EXPENSE - Unpaid Obligations for    HTML     53K  
                Severance and Related Costs (Details)                            
151: R132        EARNINGS PER COMMON SHARE - Schedule Of Earnings    HTML     69K  
                Per Basic And Diluted By Common Class (Details)                  
152: R133        EARNINGS PER COMMON SHARE - Schedule Of Shares      HTML     48K  
                Excluded From Computation Of Earnings Per Share                  
                (Details)                                                        
153: R134        Commitments and Contingencies (Details)             HTML     70K  
154: R135        Supplemental Cash Flow Information (Details)        HTML     63K  
155: R136        BUSINESS SEGMENTS - Narrative (Details)             HTML     50K  
156: R137        BUSINESS SEGMENTS - Summarized Segment Financial    HTML    162K  
                Information (Details)                                            
157: R138        BUSINESS SEGMENTS - Additional Information          HTML     71K  
                Relating to the Company's Operating Segments                     
                (Details)                                                        
158: R139        BUSINESS SEGMENTS - Summary of Geographic           HTML    131K  
                Information (Details)                                            
159: R140        BUSINESS SEGMENTS - Major Customers (Details)       HTML     55K  
160: R141        Subsequent Events (Details)                         HTML     86K  
161: R142        Schedule III - SCHEDULE OF REAL ESTATE AND          HTML     73K  
                ACCUMULATED DEPRECIATION - Schedule of Real Estate               
                and Accumulated Depreciation (Details)                           
162: R143        Schedule III - SCHEDULE OF REAL ESTATE AND          HTML     98K  
                ACCUMULATED DEPRECIATION - Activity of Real Estate               
                and Accumulated Depreciation (Details)                           
164: XML         IDEA XML File -- Filing Summary                      XML    308K  
167: XML         XBRL Instance -- amt-20231231_htm                    XML   5.87M  
163: EXCEL       IDEA Workbook of Financial Report Info              XLSX    396K  
16: EX-101.CAL  XBRL Calculations -- amt-20231231_cal                XML    400K 
17: EX-101.DEF  XBRL Definitions -- amt-20231231_def                 XML   1.90M 
18: EX-101.LAB  XBRL Labels -- amt-20231231_lab                      XML   3.84M 
19: EX-101.PRE  XBRL Presentations -- amt-20231231_pre               XML   2.67M 
15: EX-101.SCH  XBRL Schema -- amt-20231231                          XSD    429K 
165: JSON        XBRL Instance as JSON Data -- MetaLinks              946±  1.46M  
166: ZIP         XBRL Zipped Folder -- 0001053507-24-000011-xbrl      Zip   1.07M

‘EX-101.CAL’   —   XBRL Calculations — amt-20231231_cal

This Exhibit is an XBRL File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with the Workiva Platform -->
<!-- Copyright 2024 Workiva -->
<!-- r:39c6efcd-599d-414a-b5f9-3da54c2093bf,g:a0e4589b-34f9-45ff-bf47-1138cc4e0a3d -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef roleURI="http://www.americantower.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="amt-20231231.xsd#CONSOLIDATEDBALANCESHEETS"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_91d5ace6-d67a-4372-b0b4-fcca8102a985" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1733648d-46af-4bbf-a7e7-52d54279bbed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_91d5ace6-d67a-4372-b0b4-fcca8102a985" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1733648d-46af-4bbf-a7e7-52d54279bbed" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_ba52845d-0d3b-4881-ac2c-1f2f5131e58c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonValue"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_91d5ace6-d67a-4372-b0b4-fcca8102a985" xlink:to="loc_us-gaap_TreasuryStockCommonValue_ba52845d-0d3b-4881-ac2c-1f2f5131e58c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_4c6de709-2dd4-4424-a0ac-fb0773751a95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapital"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_91d5ace6-d67a-4372-b0b4-fcca8102a985" xlink:to="loc_us-gaap_AdditionalPaidInCapital_4c6de709-2dd4-4424-a0ac-fb0773751a95" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_82e4270f-9a8c-42fc-a864-66333934047e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_91d5ace6-d67a-4372-b0b4-fcca8102a985" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_82e4270f-9a8c-42fc-a864-66333934047e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_2c1c0af3-0614-40c2-863e-4a3b006aa5e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_91d5ace6-d67a-4372-b0b4-fcca8102a985" xlink:to="loc_us-gaap_CommonStockValue_2c1c0af3-0614-40c2-863e-4a3b006aa5e2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_73983a06-4aa3-45b9-bed5-32985e8a17f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:to="loc_us-gaap_LiabilitiesCurrent_73983a06-4aa3-45b9-bed5-32985e8a17f7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_ca75748b-8f7c-4ef9-b8ab-f509a4c6b8c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_ca75748b-8f7c-4ef9-b8ab-f509a4c6b8c6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_bb770ee0-363c-4477-862a-87530b1bd4f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetRetirementObligation"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:to="loc_us-gaap_AssetRetirementObligation_bb770ee0-363c-4477-862a-87530b1bd4f6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d2f9b5b0-6532-4b03-a950-6610e4d0358c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d2f9b5b0-6532-4b03-a950-6610e4d0358c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_4e4a73bd-0197-47b4-8134-c57177132ee8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_4e4a73bd-0197-47b4-8134-c57177132ee8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_f1a871c9-5e6e-4397-abf4-5eff0c50eff2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3f305f19-0bb8-4d76-98c0-cc3c369b8a97" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_f1a871c9-5e6e-4397-abf4-5eff0c50eff2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a20b3069-66e7-452b-93d1-923e153b2974" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a85f67ec-0052-46d2-88eb-03f68be1feed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a20b3069-66e7-452b-93d1-923e153b2974" xlink:to="loc_us-gaap_StockholdersEquity_a85f67ec-0052-46d2-88eb-03f68be1feed" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_414404e2-e6b1-47e7-aec1-fecf4cad2880" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterest"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a20b3069-66e7-452b-93d1-923e153b2974" xlink:to="loc_us-gaap_MinorityInterest_414404e2-e6b1-47e7-aec1-fecf4cad2880" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_7b367f01-0e6b-41d5-8b65-f7c269037c02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_AccountsPayableCurrent_7b367f01-0e6b-41d5-8b65-f7c269037c02" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_73058190-5c84-47e7-affc-4efd1656770a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_73058190-5c84-47e7-affc-4efd1656770a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrent_33bece10-a563-43a2-b8d6-bfc149c0c96f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsPayableCurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_DividendsPayableCurrent_33bece10-a563-43a2-b8d6-bfc149c0c96f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_934b3853-fc98-4710-8bac-42456d03f8c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_InterestPayableCurrent_934b3853-fc98-4710-8bac-42456d03f8c3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_f1296269-95db-4107-a671-0508724a7f72" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtCurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_LongTermDebtCurrent_f1296269-95db-4107-a671-0508724a7f72" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6d71a6d6-3537-4b7d-846c-ad9956c494c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6d71a6d6-3537-4b7d-846c-ad9956c494c3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_b865d6fa-ba08-4941-b885-ac1ed5a75349" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5c8e478-d534-4751-a9ae-b4ab014c8730" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_b865d6fa-ba08-4941-b885-ac1ed5a75349" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_2df2b5a7-9953-4fa7-b185-b6f515da2802" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_Goodwill_2df2b5a7-9953-4fa7-b185-b6f515da2802" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_99438de1-5d8b-4e3e-a9b2-49197a576542" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_99438de1-5d8b-4e3e-a9b2-49197a576542" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_151fa0f0-83fd-4cfa-9984-95e2134660b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_151fa0f0-83fd-4cfa-9984-95e2134660b0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_8e04b7af-9ffa-472f-95ab-772b71e8b38c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_8e04b7af-9ffa-472f-95ab-772b71e8b38c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_6edb7626-e0e0-4570-8a92-991e2205dd1c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_6edb7626-e0e0-4570-8a92-991e2205dd1c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_fbf2af86-c1af-4a30-8914-19e33086423b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_fbf2af86-c1af-4a30-8914-19e33086423b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRentReceivablesNetNoncurrent_ca4381df-41cc-4cb6-88b8-26bcab1259a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredRentReceivablesNetNoncurrent"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_DeferredRentReceivablesNetNoncurrent_ca4381df-41cc-4cb6-88b8-26bcab1259a5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d5db25b4-964e-4c07-96fd-ea2ff112d79a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee10fb48-f17a-423f-ac54-40fc0fe73be1" xlink:to="loc_us-gaap_AssetsCurrent_d5db25b4-964e-4c07-96fd-ea2ff112d79a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_03a5f91f-cab7-4e5c-93ff-8e6df17d3022" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b3c0c05b-1cac-4ec8-9d46-1caf79b69193" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_03a5f91f-cab7-4e5c-93ff-8e6df17d3022" xlink:to="loc_us-gaap_Liabilities_b3c0c05b-1cac-4ec8-9d46-1caf79b69193" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_a750020d-c362-4d98-886e-1109c2d62004" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_03a5f91f-cab7-4e5c-93ff-8e6df17d3022" xlink:to="loc_us-gaap_CommitmentsAndContingencies_a750020d-c362-4d98-886e-1109c2d62004" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_80cfa581-1258-41cc-9a64-733b07786565" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_03a5f91f-cab7-4e5c-93ff-8e6df17d3022" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_80cfa581-1258-41cc-9a64-733b07786565" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_8b005b32-d3ca-4c8e-99f0-8f449b8017f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c1c2dec6-76d2-40c0-89cb-4428fea7e067" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8b005b32-d3ca-4c8e-99f0-8f449b8017f9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c1c2dec6-76d2-40c0-89cb-4428fea7e067" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_8b5a9a0c-25a2-409d-bd41-72333ad086e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8b005b32-d3ca-4c8e-99f0-8f449b8017f9" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_8b5a9a0c-25a2-409d-bd41-72333ad086e0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_12f68094-ed01-491d-9801-56787fd198ee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8b005b32-d3ca-4c8e-99f0-8f449b8017f9" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_12f68094-ed01-491d-9801-56787fd198ee" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_39b84770-84e7-4739-b7a2-6c8f72c228a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8b005b32-d3ca-4c8e-99f0-8f449b8017f9" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_39b84770-84e7-4739-b7a2-6c8f72c228a1" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="amt-20231231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e5cc5776-4bfb-43df-9200-3d6c3083bce7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1ab039d2-5f45-4402-91bb-e752f67af450" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e5cc5776-4bfb-43df-9200-3d6c3083bce7" xlink:to="loc_us-gaap_ProfitLoss_1ab039d2-5f45-4402-91bb-e752f67af450" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_390017c5-e879-4b95-9894-ffe2ca15decf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e5cc5776-4bfb-43df-9200-3d6c3083bce7" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_390017c5-e879-4b95-9894-ffe2ca15decf" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4cd19dea-56d2-4aa4-a79c-93d4632ed322" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_d3995a0c-aede-43fb-b545-8599081cf7c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NonoperatingIncomeExpense"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4cd19dea-56d2-4aa4-a79c-93d4632ed322" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_d3995a0c-aede-43fb-b545-8599081cf7c2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_98ca02b4-5bb8-4170-acad-22c5e2f30e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4cd19dea-56d2-4aa4-a79c-93d4632ed322" xlink:to="loc_us-gaap_OperatingIncomeLoss_98ca02b4-5bb8-4170-acad-22c5e2f30e0b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_5cf1f157-c041-45ed-a810-db34d9aa7c6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:to="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_5cf1f157-c041-45ed-a810-db34d9aa7c6d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_a2516277-ed47-460d-a3e6-6200c7701622" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_a2516277-ed47-460d-a3e6-6200c7701622" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_9519f1a6-fd05-4acb-8524-d553d161fb7a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_9519f1a6-fd05-4acb-8524-d553d161fb7a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_2daa1bf8-0ab1-4309-b1b4-616aa640a1c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherCostAndExpenseOperating"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_2daa1bf8-0ab1-4309-b1b4-616aa640a1c3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_282c46a7-d9f4-4ba2-a154-37bf119d56e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_282c46a7-d9f4-4ba2-a154-37bf119d56e5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_a4971155-eeef-42ee-b9f1-85a339029a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillImpairmentLoss"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_9534637d-93a7-4ca7-a650-d9503290fc00" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_a4971155-eeef-42ee-b9f1-85a339029a2a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_11c9e5fa-f9ad-4adc-936d-55efe41b10bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_a3e71f9a-37c9-4454-9854-089bfa24c99e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_11c9e5fa-f9ad-4adc-936d-55efe41b10bd" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_a3e71f9a-37c9-4454-9854-089bfa24c99e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1e0db04c-85a1-4f91-a51b-9a9809343146" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_11c9e5fa-f9ad-4adc-936d-55efe41b10bd" xlink:to="loc_us-gaap_ProfitLoss_1e0db04c-85a1-4f91-a51b-9a9809343146" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_8768619e-01c8-4582-a9f2-84290b69562f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_d0c11501-9b76-4821-887c-36da76b1e3dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8768619e-01c8-4582-a9f2-84290b69562f" xlink:to="loc_us-gaap_CostsAndExpenses_d0c11501-9b76-4821-887c-36da76b1e3dd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_acc5b3fa-5758-475c-b616-bb58aa4e0c58" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8768619e-01c8-4582-a9f2-84290b69562f" xlink:to="loc_us-gaap_Revenues_acc5b3fa-5758-475c-b616-bb58aa4e0c58" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_a943216f-4738-45bc-a7aa-0aa95fa73068" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_65b066d1-5e4e-49e2-a974-61872c2f8834" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_a943216f-4738-45bc-a7aa-0aa95fa73068" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_65b066d1-5e4e-49e2-a974-61872c2f8834" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_020e0cd2-c847-40a5-9534-4a28872d7b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_a943216f-4738-45bc-a7aa-0aa95fa73068" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_020e0cd2-c847-40a5-9534-4a28872d7b2a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_2f06d9cf-d733-42ae-af90-d6533d0c1a05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NonoperatingIncomeExpense"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeOther_1aee6cbc-0edd-42d2-9feb-72b07f6182b1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestIncomeOther"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_2f06d9cf-d733-42ae-af90-d6533d0c1a05" xlink:to="loc_us-gaap_InterestIncomeOther_1aee6cbc-0edd-42d2-9feb-72b07f6182b1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_314e814b-5bd1-4b9d-bbf4-b895e52457da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_2f06d9cf-d733-42ae-af90-d6533d0c1a05" xlink:to="loc_us-gaap_InterestExpense_314e814b-5bd1-4b9d-bbf4-b895e52457da" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_413cf95b-a9c2-4b8d-af2a-97568ac3fcd1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_2f06d9cf-d733-42ae-af90-d6533d0c1a05" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_413cf95b-a9c2-4b8d-af2a-97568ac3fcd1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_d1dad451-df74-4453-9241-9ede5dcdf7a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_2f06d9cf-d733-42ae-af90-d6533d0c1a05" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_d1dad451-df74-4453-9241-9ede5dcdf7a7" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="amt-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_cd550e72-1184-4a94-9d42-cb24d44c5d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_58113ddf-909b-42a6-b61c-972581bebb69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_cd550e72-1184-4a94-9d42-cb24d44c5d7e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_58113ddf-909b-42a6-b61c-972581bebb69" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_057bc0db-112b-407c-b194-2a5cfad58851" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_cd550e72-1184-4a94-9d42-cb24d44c5d7e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_057bc0db-112b-407c-b194-2a5cfad58851" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_80cc8400-ca63-4980-b369-195d2fdbd458" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_cd550e72-1184-4a94-9d42-cb24d44c5d7e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_80cc8400-ca63-4980-b369-195d2fdbd458" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9e208c9b-feee-4a0b-8e44-f7d2d8723b4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_a4c56d02-c610-45f0-98d0-1aaeb2b43e8f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9e208c9b-feee-4a0b-8e44-f7d2d8723b4d" xlink:to="loc_us-gaap_ProfitLoss_a4c56d02-c610-45f0-98d0-1aaeb2b43e8f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_21d09b86-ba05-45b8-a973-89a4a8432cef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9e208c9b-feee-4a0b-8e44-f7d2d8723b4d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_21d09b86-ba05-45b8-a973-89a4a8432cef" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_7b82ca66-e1d7-4afa-9a1f-58393e8c76da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest_e2d5885e-0561-4143-8e01-64d6eb9d8b17" xlink:href="amt-20231231.xsd#amt_ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7b82ca66-e1d7-4afa-9a1f-58393e8c76da" xlink:to="loc_amt_ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest_e2d5885e-0561-4143-8e01-64d6eb9d8b17" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest_2cff227e-6a67-4278-a671-4d96169136fe" xlink:href="amt-20231231.xsd#amt_ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7b82ca66-e1d7-4afa-9a1f-58393e8c76da" xlink:to="loc_amt_ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest_2cff227e-6a67-4278-a671-4d96169136fe" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_b56d7a46-9a6a-4787-a499-46dcb3284b28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7b82ca66-e1d7-4afa-9a1f-58393e8c76da" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_b56d7a46-9a6a-4787-a499-46dcb3284b28" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="amt-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_27473778-736f-4e78-a75e-d53c84bdad35" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostsAndAssetImpairmentCharges"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_27473778-736f-4e78-a75e-d53c84bdad35" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e3eba3c7-65f0-4ccb-bf1d-1a9e99e8b762" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e3eba3c7-65f0-4ccb-bf1d-1a9e99e8b762" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_0848cd32-711a-416c-92ac-ca9f2d51a282" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_ProfitLoss_0848cd32-711a-416c-92ac-ca9f2d51a282" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_b70cd215-53a0-4324-a728-64aa2cc5fe4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_b70cd215-53a0-4324-a728-64aa2cc5fe4b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StraightLineRent_e267323e-2ce4-4339-b8e9-c089ba72a029" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StraightLineRent"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_StraightLineRent_e267323e-2ce4-4339-b8e9-c089ba72a029" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_13b29839-e7bc-48c9-989d-7e3f5fb9296c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_13b29839-e7bc-48c9-989d-7e3f5fb9296c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1c187fa4-1de3-4189-99ba-77973412e26a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1c187fa4-1de3-4189-99ba-77973412e26a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability_660b4004-3453-49c5-9572-25844f5dc739" xlink:href="amt-20231231.xsd#amt_IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_amt_IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability_660b4004-3453-49c5-9572-25844f5dc739" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_f09b0387-b5d5-4b11-915f-f7b423aa0ac4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_f09b0387-b5d5-4b11-915f-f7b423aa0ac4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LossGainOnInvestmentsAndOtherNonCashIncomeExpense_38988ccf-0302-4078-8426-6350ab13f293" xlink:href="amt-20231231.xsd#amt_LossGainOnInvestmentsAndOtherNonCashIncomeExpense"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_amt_LossGainOnInvestmentsAndOtherNonCashIncomeExpense_38988ccf-0302-4078-8426-6350ab13f293" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_0beb36a8-ae2c-49d9-b1b9-90e710694173" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_ShareBasedCompensation_0beb36a8-ae2c-49d9-b1b9-90e710694173" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_6cb6939a-b6fd-401e-9274-91ab7be0aca8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet"/>
<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_6cb6939a-b6fd-401e-9274-91ab7be0aca8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_7cc9054c-7d66-49b0-b9d7-6ec0d09c4ad7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_7cc9054c-7d66-49b0-b9d7-6ec0d09c4ad7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_c47149ec-e0aa-44cd-a867-4c4ab5f279f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ExtinguishmentOfDebtGainLossNetOfTax"/>
<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_c47149ec-e0aa-44cd-a867-4c4ab5f279f6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_0f5b3316-9da3-4bdd-9d9a-26cb1dcbb492" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_0f5b3316-9da3-4bdd-9d9a-26cb1dcbb492" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_f9686028-ac36-48f7-8d09-66ce66a27c95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_97555d32-537f-4da2-9c14-fa44f10877f3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_f9686028-ac36-48f7-8d09-66ce66a27c95" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9e5d1ff7-2656-433f-a7e7-ba24bc3ff266" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_14d7df93-6e08-46c1-b0dd-71ba238de281" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9e5d1ff7-2656-433f-a7e7-ba24bc3ff266" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_14d7df93-6e08-46c1-b0dd-71ba238de281" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0b981229-ac0d-426d-a815-d0bb358872ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9e5d1ff7-2656-433f-a7e7-ba24bc3ff266" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0b981229-ac0d-426d-a815-d0bb358872ac" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_311b993e-f13a-468f-ad32-bf4a4c8fd987" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9e5d1ff7-2656-433f-a7e7-ba24bc3ff266" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_311b993e-f13a-468f-ad32-bf4a4c8fd987" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_219770d5-1362-4589-baea-bea444296850" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9e5d1ff7-2656-433f-a7e7-ba24bc3ff266" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_219770d5-1362-4589-baea-bea444296850" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_a8a9f58c-8e4f-4320-ae93-d298414e4566" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_a8a9f58c-8e4f-4320-ae93-d298414e4566" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_d007f78e-dc72-4283-bbfe-bb2d2a604859" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_d007f78e-dc72-4283-bbfe-bb2d2a604859" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_63060a0f-aebc-4559-9429-27d92a0b32bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_63060a0f-aebc-4559-9429-27d92a0b32bf" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_ProceedsFromShortTermBorrowingsNet_a0e0a919-b066-4159-b18d-71f7e2ca0f47" xlink:href="amt-20231231.xsd#amt_ProceedsFromShortTermBorrowingsNet"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_amt_ProceedsFromShortTermBorrowingsNet_a0e0a919-b066-4159-b18d-71f7e2ca0f47" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_125f28ad-192f-497a-98a0-21353462e1a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_125f28ad-192f-497a-98a0-21353462e1a1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_afd3f713-85c8-4637-bc05-455892ae73f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_afd3f713-85c8-4637-bc05-455892ae73f5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_cb5aa571-6414-4701-821b-ba57d31a75ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_cb5aa571-6414-4701-821b-ba57d31a75ba" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest_fd50becf-ee2b-4bd3-884e-4ab2c3c61164" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest_fd50becf-ee2b-4bd3-884e-4ab2c3c61164" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7bd3dff6-8eaa-4521-9b88-c812a11bc362" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7bd3dff6-8eaa-4521-9b88-c812a11bc362" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_195a7620-da14-45f6-9321-3b0cfc8518f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividendsMinorityInterest"/>
<link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_PaymentsOfDividendsMinorityInterest_195a7620-da14-45f6-9321-3b0cfc8518f3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_4bffc534-4a01-4fa9-8be7-0360315f4ad6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromMinorityShareholders"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromMinorityShareholders_4bffc534-4a01-4fa9-8be7-0360315f4ad6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_5e7cc38f-7e38-460d-bbee-97871d226e4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt"/>
<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_5e7cc38f-7e38-460d-bbee-97871d226e4f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_10a8c887-ff93-4824-a9d7-ce18910d523b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
<link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_10a8c887-ff93-4824-a9d7-ce18910d523b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_5db01de7-3b9e-49f3-8ab3-fe82e062b9f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_5db01de7-3b9e-49f3-8ab3-fe82e062b9f4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_93ece732-2309-4a55-a584-e5d7abdf7abd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt"/>
<link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4cc848dc-f67c-4cb1-9277-898cdca7c7b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_93ece732-2309-4a55-a584-e5d7abdf7abd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d5098d-b123-40fa-a686-296da3cbe629" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_bb3eac94-5115-4601-92bc-c6b5050dce58" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d5098d-b123-40fa-a686-296da3cbe629" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_bb3eac94-5115-4601-92bc-c6b5050dce58" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b382278e-dd9f-4da5-9e9a-9368c1c2dde3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d5098d-b123-40fa-a686-296da3cbe629" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b382278e-dd9f-4da5-9e9a-9368c1c2dde3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_9ba93a4c-98bc-49d1-8b9a-bfbd5898271a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d5098d-b123-40fa-a686-296da3cbe629" xlink:to="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_9ba93a4c-98bc-49d1-8b9a-bfbd5898271a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_5f9792d1-a81e-4730-b813-497bb4c0818f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d5098d-b123-40fa-a686-296da3cbe629" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_5f9792d1-a81e-4730-b813-497bb4c0818f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets_2db9c3de-2e07-4335-a336-421feef8ee5e" xlink:href="amt-20231231.xsd#amt_ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d5098d-b123-40fa-a686-296da3cbe629" xlink:to="loc_amt_ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets_2db9c3de-2e07-4335-a336-421feef8ee5e" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNetForeignCurrencyLossesDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNetForeignCurrencyLossesDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNetForeignCurrencyLossesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_amt_ForeignCurrencyTransactionGainLossInAOCIAndIncomeStatement_c32b8c72-c4f3-4139-8b99-82802ae355b8" xlink:href="amt-20231231.xsd#amt_ForeignCurrencyTransactionGainLossInAOCIAndIncomeStatement"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_ForeignCurrencyTransactionGainLossReclassifiedAsAOCI_dd9c5670-dae1-45bd-97ab-29bcd4e699b3" xlink:href="amt-20231231.xsd#amt_ForeignCurrencyTransactionGainLossReclassifiedAsAOCI"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_ForeignCurrencyTransactionGainLossInAOCIAndIncomeStatement_c32b8c72-c4f3-4139-8b99-82802ae355b8" xlink:to="loc_amt_ForeignCurrencyTransactionGainLossReclassifiedAsAOCI_dd9c5670-dae1-45bd-97ab-29bcd4e699b3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e3444994-bc4a-436e-9a14-82ff15d1b17e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_ForeignCurrencyTransactionGainLossInAOCIAndIncomeStatement_c32b8c72-c4f3-4139-8b99-82802ae355b8" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e3444994-bc4a-436e-9a14-82ff15d1b17e" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCashCashEquivalentsAndRestrictedCashDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCashCashEquivalentsAndRestrictedCashDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCashCashEquivalentsAndRestrictedCashDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e7592cb2-841d-408d-aa08-21a25049489c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_a39ba3da-9e7c-4bfb-a746-f103bb974647" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e7592cb2-841d-408d-aa08-21a25049489c" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_a39ba3da-9e7c-4bfb-a746-f103bb974647" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_18ece3fa-d26f-44db-b862-ad71a76f770c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e7592cb2-841d-408d-aa08-21a25049489c" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_18ece3fa-d26f-44db-b862-ad71a76f770c" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDisaggregationofRevenueDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/BUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDisaggregationofRevenueDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_d0ba16a6-e687-4d12-99cc-475b43bfa140" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_91c888ee-6611-459c-901e-6bb05c81e24a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_d0ba16a6-e687-4d12-99cc-475b43bfa140" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_91c888ee-6611-459c-901e-6bb05c81e24a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_f5f6ec68-bf4f-4e39-a992-a12672fafeb3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_d0ba16a6-e687-4d12-99cc-475b43bfa140" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_f5f6ec68-bf4f-4e39-a992-a12672fafeb3" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/PREPAIDANDOTHERCURRENTASSETSDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#PREPAIDANDOTHERCURRENTASSETSDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/PREPAIDANDOTHERCURRENTASSETSDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_37b37270-d726-4513-8bbe-e63957b688bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_99bff357-b0e0-490f-a498-7529c09bd6f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_37b37270-d726-4513-8bbe-e63957b688bc" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_99bff357-b0e0-490f-a498-7529c09bd6f9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_12e68c01-91b7-458f-885f-337436cf3a0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidTaxes"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_37b37270-d726-4513-8bbe-e63957b688bc" xlink:to="loc_us-gaap_PrepaidTaxes_12e68c01-91b7-458f-885f-337436cf3a0f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_10ef712f-7c42-43b3-b7e6-4f564157561d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnbilledReceivablesCurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_37b37270-d726-4513-8bbe-e63957b688bc" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_10ef712f-7c42-43b3-b7e6-4f564157561d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValueAddedTaxReceivable_3349d43d-c86c-4ac3-b2b7-6150caf2397e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ValueAddedTaxReceivable"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_37b37270-d726-4513-8bbe-e63957b688bc" xlink:to="loc_us-gaap_ValueAddedTaxReceivable_3349d43d-c86c-4ac3-b2b7-6150caf2397e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousCurrent_62f25c6b-20f9-4cd5-b76b-a95753db00ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsMiscellaneousCurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_37b37270-d726-4513-8bbe-e63957b688bc" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousCurrent_62f25c6b-20f9-4cd5-b76b-a95753db00ae" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/PROPERTYANDEQUIPMENTSummaryofPropertyandEquipmentDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#PROPERTYANDEQUIPMENTSummaryofPropertyandEquipmentDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/PROPERTYANDEQUIPMENTSummaryofPropertyandEquipmentDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5dc883b7-0e75-4df6-9399-da1b2903721b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_fe0d1691-4587-4539-84e2-0b1af21acd0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5dc883b7-0e75-4df6-9399-da1b2903721b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_fe0d1691-4587-4539-84e2-0b1af21acd0b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_1ca82f1b-a35b-4d19-9405-b0e4389c4ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5dc883b7-0e75-4df6-9399-da1b2903721b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_1ca82f1b-a35b-4d19-9405-b0e4389c4ca5" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/PROPERTYANDEQUIPMENTScheduleofFinanceLeaseAssetsIncludedinPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#PROPERTYANDEQUIPMENTScheduleofFinanceLeaseAssetsIncludedinPropertyPlantandEquipmentDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/PROPERTYANDEQUIPMENTScheduleofFinanceLeaseAssetsIncludedinPropertyPlantandEquipmentDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_4b6a019d-ad26-4ee4-b736-55a654527cef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_c1dc510b-005b-4ca9-aff8-70e55e1628f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_4b6a019d-ad26-4ee4-b736-55a654527cef" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_c1dc510b-005b-4ca9-aff8-70e55e1628f1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_c3ec7c6d-be73-4ea9-b515-08df0f705863" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_4b6a019d-ad26-4ee4-b736-55a654527cef" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_c3ec7c6d-be73-4ea9-b515-08df0f705863" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/LEASESFutureMinimumRentalReceiptsExpectedUnderOperatingLeasesDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#LEASESFutureMinimumRentalReceiptsExpectedUnderOperatingLeasesDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/LEASESFutureMinimumRentalReceiptsExpectedUnderOperatingLeasesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_d6b9d851-9bc3-436c-b010-9dbfad339bc0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_d6b9d851-9bc3-436c-b010-9dbfad339bc0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_d647a4ac-0c52-41c1-87cd-3a6fb951e883" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_d647a4ac-0c52-41c1-87cd-3a6fb951e883" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_6835f66c-7807-42a8-a672-917b5cf6b0b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_6835f66c-7807-42a8-a672-917b5cf6b0b5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_93d86235-9116-4392-ad1f-faa2ade8a577" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_93d86235-9116-4392-ad1f-faa2ade8a577" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_b63990e8-6338-4aaf-8dc7-9bc12463b263" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_b63990e8-6338-4aaf-8dc7-9bc12463b263" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_bdeb668b-5c94-4d35-bcd7-994ce39a380f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_c3493157-af84-4eb0-863c-b3d44d1ecd71" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_bdeb668b-5c94-4d35-bcd7-994ce39a380f" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/LEASESMaturitiesOfOperatingAndFinanceLeasesDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#LEASESMaturitiesOfOperatingAndFinanceLeasesDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/LEASESMaturitiesOfOperatingAndFinanceLeasesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_9f6e961e-3b7c-46f1-bce8-944abd18c185" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_7e8e88d3-bf76-4be1-b385-9b38f35ddc75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_9f6e961e-3b7c-46f1-bce8-944abd18c185" xlink:to="loc_us-gaap_OperatingLeaseLiability_7e8e88d3-bf76-4be1-b385-9b38f35ddc75" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_cac995d3-3e2a-4a8d-a868-94e2052fb937" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_9f6e961e-3b7c-46f1-bce8-944abd18c185" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_cac995d3-3e2a-4a8d-a868-94e2052fb937" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_51f97d6f-1a69-4104-bf64-aea8ce46735c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_3a712bb7-2298-43be-8439-e962d8d60d44" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_51f97d6f-1a69-4104-bf64-aea8ce46735c" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_3a712bb7-2298-43be-8439-e962d8d60d44" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_4b717470-6e95-4cc0-a14c-e845c495c50c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_51f97d6f-1a69-4104-bf64-aea8ce46735c" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_4b717470-6e95-4cc0-a14c-e845c495c50c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_7fcf34c0-8fb2-4e3c-9c0d-3ab2b58caaf2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_8b8a60c3-9626-43ca-955d-d430efd836cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_7fcf34c0-8fb2-4e3c-9c0d-3ab2b58caaf2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_8b8a60c3-9626-43ca-955d-d430efd836cf" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_b723bc66-fc78-4982-81fb-ab2bd13670da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_7fcf34c0-8fb2-4e3c-9c0d-3ab2b58caaf2" xlink:to="loc_us-gaap_FinanceLeaseLiability_b723bc66-fc78-4982-81fb-ab2bd13670da" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_aa225a30-d9ec-4321-bc42-9750ca31e419" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_39d050ef-d3fc-41fb-82d3-8de869777aaa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_aa225a30-d9ec-4321-bc42-9750ca31e419" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_39d050ef-d3fc-41fb-82d3-8de869777aaa" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_49ca4ce0-7134-44c7-bad9-ea132f0f576c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_aa225a30-d9ec-4321-bc42-9750ca31e419" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_49ca4ce0-7134-44c7-bad9-ea132f0f576c" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/LEASESMaturitiesOfOperatingAndFinanceLeasesDetails_1" xlink:type="simple" xlink:href="amt-20231231.xsd#LEASESMaturitiesOfOperatingAndFinanceLeasesDetails_1"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/LEASESMaturitiesOfOperatingAndFinanceLeasesDetails_1" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_317b4c77-b69d-4f6b-acfc-e17b463a9e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_317b4c77-b69d-4f6b-acfc-e17b463a9e6f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_47c8233b-50ba-4c07-878b-569f483ca267" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_47c8233b-50ba-4c07-878b-569f483ca267" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_1ba942e6-7ae6-45d7-a881-e3ee48e98d0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_1ba942e6-7ae6-45d7-a881-e3ee48e98d0d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_a1c8ff07-755c-432b-9660-3004686c6342" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_a1c8ff07-755c-432b-9660-3004686c6342" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_e6e88d4b-756a-4fba-aa42-b521fb9e164f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_e6e88d4b-756a-4fba-aa42-b521fb9e164f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_2d1de185-f0cd-49e6-91f6-ce5ac1d8047e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_b96ce5f6-f27a-4e80-9454-b9ea54c27d8d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_2d1de185-f0cd-49e6-91f6-ce5ac1d8047e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_b40454ad-f4b4-4e5b-90af-1f2f281cd2e8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_b40454ad-f4b4-4e5b-90af-1f2f281cd2e8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_eefc701a-2c63-46b4-961f-e35f08e1db6c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_eefc701a-2c63-46b4-961f-e35f08e1db6c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_cdcc1a9d-088e-4597-8f0c-530cbf10d54b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_cdcc1a9d-088e-4597-8f0c-530cbf10d54b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_e219593a-13e2-44d7-99f8-f9288fad0077" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_e219593a-13e2-44d7-99f8-f9288fad0077" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_3bdf6931-a7cb-4508-be0a-f398b8cbb2e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_3bdf6931-a7cb-4508-be0a-f398b8cbb2e2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_468f262c-710f-4a93-b2b6-18ece3f4ed83" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bb2e4170-81c2-4166-a333-ba16d2203f99" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_468f262c-710f-4a93-b2b6-18ece3f4ed83" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/GOODWILLANDOTHERINTANGIBLEASSETSOtherIntangibleAssetsSubjecttoAmortizationDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSOtherIntangibleAssetsSubjecttoAmortizationDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/GOODWILLANDOTHERINTANGIBLEASSETSOtherIntangibleAssetsSubjecttoAmortizationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_134eb6c1-87cc-4f1a-9909-13323ab0f5c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a36d7153-5ae1-415a-a846-61b2d4f540f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_134eb6c1-87cc-4f1a-9909-13323ab0f5c1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a36d7153-5ae1-415a-a846-61b2d4f540f1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_cefeac69-9b85-4f95-9d1b-b87375d55b46" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_134eb6c1-87cc-4f1a-9909-13323ab0f5c1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_cefeac69-9b85-4f95-9d1b-b87375d55b46" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/ACQUISITIONSScheduleofAllocationofPurchasePriceforAssetAcquisitionsDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#ACQUISITIONSScheduleofAllocationofPurchasePriceforAssetAcquisitionsDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/ACQUISITIONSScheduleofAllocationofPurchasePriceforAssetAcquisitionsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionFiniteLivedIntangibleAssetsNet_969b5842-fc6d-4e65-93e1-960aa08f9470" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionFiniteLivedIntangibleAssetsNet"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:to="loc_amt_AssetAcquisitionFiniteLivedIntangibleAssetsNet_969b5842-fc6d-4e65-93e1-960aa08f9470" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionOtherAssetsNonCurrent_fb0c2328-0201-4758-822d-2f9fac7143e3" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionOtherAssetsNonCurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:to="loc_amt_AssetAcquisitionOtherAssetsNonCurrent_fb0c2328-0201-4758-822d-2f9fac7143e3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionAssetsCurrent_6e404997-b687-47d5-af08-d72c16bb6af7" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionAssetsCurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:to="loc_amt_AssetAcquisitionAssetsCurrent_6e404997-b687-47d5-af08-d72c16bb6af7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionPropertyPlantAndEquipmentNet_9dbb0351-94aa-4ed2-8fd6-0a1642ab86fb" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionPropertyPlantAndEquipmentNet"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:to="loc_amt_AssetAcquisitionPropertyPlantAndEquipmentNet_9dbb0351-94aa-4ed2-8fd6-0a1642ab86fb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionOtherLiabilitiesNoncurrent_1293fab0-6d02-40ef-93bd-53152b21460a" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionOtherLiabilitiesNoncurrent"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:to="loc_amt_AssetAcquisitionOtherLiabilitiesNoncurrent_1293fab0-6d02-40ef-93bd-53152b21460a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionLiabilitiesCurrent_d541113c-ea79-41a2-849b-63576a552a2c" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionLiabilitiesCurrent"/>
<link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_6b30a365-3b49-4e9a-ad10-35f1731bde34" xlink:to="loc_amt_AssetAcquisitionLiabilitiesCurrent_d541113c-ea79-41a2-849b-63576a552a2c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_b455926c-be96-4603-a80a-e8b86807522c" xlink:href="amt-20231231.xsd#amt_AssetCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_33012265-b29a-4bce-a909-ab97e94f79b9" xlink:href="amt-20231231.xsd#amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_b455926c-be96-4603-a80a-e8b86807522c" xlink:to="loc_amt_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_33012265-b29a-4bce-a909-ab97e94f79b9" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/ACCRUEDEXPENSESDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#ACCRUEDEXPENSESDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/ACCRUEDEXPENSESDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AccruedPropertyAndRealEstateTaxes_b24d81fc-b253-4129-ab8a-f257e4cd5d80" xlink:href="amt-20231231.xsd#amt_AccruedPropertyAndRealEstateTaxes"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_amt_AccruedPropertyAndRealEstateTaxes_b24d81fc-b253-4129-ab8a-f257e4cd5d80" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AccruedPassThroughCosts_b58ecf5a-c74d-411a-ae46-5b3e16b92e0e" xlink:href="amt-20231231.xsd#amt_AccruedPassThroughCosts"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_amt_AccruedPassThroughCosts_b58ecf5a-c74d-411a-ae46-5b3e16b92e0e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_PayablesToCustomers_8484af28-08c9-47b2-ab71-62bf6f6fba2e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PayablesToCustomers"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_srt_PayablesToCustomers_8484af28-08c9-47b2-ab71-62bf6f6fba2e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedRentCurrent_efaeef3d-6a1a-4838-b913-33400ddae7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedRentCurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_us-gaap_AccruedRentCurrent_efaeef3d-6a1a-4838-b913-33400ddae7c3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_75e0ec72-8277-4a37-801f-6c3ee6b870de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_75e0ec72-8277-4a37-801f-6c3ee6b870de" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionPayableCurrent_bdff12e7-b312-4193-a875-8cc48bee9af6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConstructionPayableCurrent"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_us-gaap_ConstructionPayableCurrent_bdff12e7-b312-4193-a875-8cc48bee9af6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_2869167f-624a-4bc8-a977-0feab44a0099" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_2869167f-624a-4bc8-a977-0feab44a0099" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_95fbb14b-ccb6-474d-8352-37bd585a0182" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_95fbb14b-ccb6-474d-8352-37bd585a0182" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AcquisitionRelatedPayablesCurrent_22a93f78-e317-47fb-85ac-9832d7f97fce" xlink:href="amt-20231231.xsd#amt_AcquisitionRelatedPayablesCurrent"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_5f0dee5e-3bdb-460e-99ef-a2352ef20354" xlink:to="loc_amt_AcquisitionRelatedPayablesCurrent_22a93f78-e317-47fb-85ac-9832d7f97fce" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/LONGTERMOBLIGATIONSScheduleofLongTermDebtObligationsDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#LONGTERMOBLIGATIONSScheduleofLongTermDebtObligationsDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/LONGTERMOBLIGATIONSScheduleofLongTermDebtObligationsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ecf75b55-d1cb-4ff7-8e46-a116518b2d88" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_76a96c43-b1f1-464a-8a7d-87c1d1f45117" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ecf75b55-d1cb-4ff7-8e46-a116518b2d88" xlink:to="loc_us-gaap_FinanceLeaseLiability_76a96c43-b1f1-464a-8a7d-87c1d1f45117" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_8b88ddcd-302e-4566-aeb2-933dbef0c783" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ecf75b55-d1cb-4ff7-8e46-a116518b2d88" xlink:to="loc_us-gaap_LongTermDebt_8b88ddcd-302e-4566-aeb2-933dbef0c783" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/LONGTERMOBLIGATIONSScheduleofLongTermDebtObligationsDetails_1" xlink:type="simple" xlink:href="amt-20231231.xsd#LONGTERMOBLIGATIONSScheduleofLongTermDebtObligationsDetails_1"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/LONGTERMOBLIGATIONSScheduleofLongTermDebtObligationsDetails_1" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_91023751-2b64-4738-aaaa-414b13ac41e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_159a6995-7cec-4297-a343-fa1ae97d1c61" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_91023751-2b64-4738-aaaa-414b13ac41e9" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_159a6995-7cec-4297-a343-fa1ae97d1c61" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_d8df801b-a60f-4c2d-8980-6344321a200b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_91023751-2b64-4738-aaaa-414b13ac41e9" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_d8df801b-a60f-4c2d-8980-6344321a200b" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/LONGTERMOBLIGATIONSMaturitiesofLongTermDebtDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#LONGTERMOBLIGATIONSMaturitiesofLongTermDebtDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/LONGTERMOBLIGATIONSMaturitiesofLongTermDebtDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationGross"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationMaturityYearOne_db721acc-9ca0-48a5-b839-76c4c075a54c" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationMaturityYearOne"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:to="loc_amt_LongTermDebtAndLeaseObligationMaturityYearOne_db721acc-9ca0-48a5-b839-76c4c075a54c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationMaturityYearTwo_c8e8a794-7d5d-4314-b23c-74cbf0103a22" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationMaturityYearTwo"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:to="loc_amt_LongTermDebtAndLeaseObligationMaturityYearTwo_c8e8a794-7d5d-4314-b23c-74cbf0103a22" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationMaturityYearThree_8f52f819-c03e-4425-b7b8-07f2c70d5278" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationMaturityYearThree"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:to="loc_amt_LongTermDebtAndLeaseObligationMaturityYearThree_8f52f819-c03e-4425-b7b8-07f2c70d5278" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationMaturityYearFour_c28242e7-6cd0-46b6-9736-ae2ef96c1a38" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationMaturityYearFour"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:to="loc_amt_LongTermDebtAndLeaseObligationMaturityYearFour_c28242e7-6cd0-46b6-9736-ae2ef96c1a38" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationMaturityYearFive_92a63408-ce5c-4fb6-aa4e-618c031f084e" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationMaturityYearFive"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:to="loc_amt_LongTermDebtAndLeaseObligationMaturityYearFive_92a63408-ce5c-4fb6-aa4e-618c031f084e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationMaturityAfterYearFive_da9aec89-f93a-4930-b5ba-5335602513fd" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationMaturityAfterYearFive"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_LongTermDebtAndLeaseObligationGross_54ebbc6d-66ae-4429-8af3-5f32e85e4c42" xlink:to="loc_amt_LongTermDebtAndLeaseObligationMaturityAfterYearFive_da9aec89-f93a-4930-b5ba-5335602513fd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8670a6b6-25b4-43ec-bc81-36e2854b3f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_LongTermDebtAndLeaseObligationGross_973de28d-8cc2-4574-979b-74aac3e89d96" xlink:href="amt-20231231.xsd#amt_LongTermDebtAndLeaseObligationGross"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8670a6b6-25b4-43ec-bc81-36e2854b3f5e" xlink:to="loc_amt_LongTermDebtAndLeaseObligationGross_973de28d-8cc2-4574-979b-74aac3e89d96" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_3afbdc8e-0456-482d-b395-44e146ee0bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8670a6b6-25b4-43ec-bc81-36e2854b3f5e" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_3afbdc8e-0456-482d-b395-44e146ee0bb3" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/OTHERNONCURRENTLIABILITIESDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#OTHERNONCURRENTLIABILITIESDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/OTHERNONCURRENTLIABILITIESDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_7b50e7d5-2f66-45b8-b423-9e8b19577ff2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_e19f49f4-42ba-47f7-a4ef-1c6018bc9ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_7b50e7d5-2f66-45b8-b423-9e8b19577ff2" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_e19f49f4-42ba-47f7-a4ef-1c6018bc9ccc" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesNoncurrent_ab1d3ab2-204b-4c09-ba5c-e3325c87d5ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAccruedLiabilitiesNoncurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_7b50e7d5-2f66-45b8-b423-9e8b19577ff2" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesNoncurrent_ab1d3ab2-204b-4c09-ba5c-e3325c87d5ba" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/INCOMETAXESIncomeTaxProvisionFromContinuingOperationsDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#INCOMETAXESIncomeTaxProvisionFromContinuingOperationsDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/INCOMETAXESIncomeTaxProvisionFromContinuingOperationsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_304220fc-71b7-4ae0-9f84-99f4b08a3c3a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_304220fc-71b7-4ae0-9f84-99f4b08a3c3a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_2acd9fa0-1f51-44d2-b2fd-c2f819abae14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_2acd9fa0-1f51-44d2-b2fd-c2f819abae14" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_8aeec1d9-07ce-4090-966e-287cceba965c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_8aeec1d9-07ce-4090-966e-287cceba965c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_c8a5dd24-6b31-4298-b55a-671462fb1ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_c8a5dd24-6b31-4298-b55a-671462fb1ed4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_5ece47a8-bec8-4638-ae88-3eb0f07885d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_5ece47a8-bec8-4638-ae88-3eb0f07885d5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_6acf3a18-6c91-418a-a490-1c3922ddda87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_315390e0-3521-4d7a-99e1-27cc5d9cfc66" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_6acf3a18-6c91-418a-a490-1c3922ddda87" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/INCOMETAXESReconciliationBetweenTheUSStatutoryRateAndTheEffectiveRateFromContinuingOperationsDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#INCOMETAXESReconciliationBetweenTheUSStatutoryRateAndTheEffectiveRateFromContinuingOperationsDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/INCOMETAXESReconciliationBetweenTheUSStatutoryRateAndTheEffectiveRateFromContinuingOperationsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_EffectiveIncomeTaxRateReconciliationTaxReserves_37d69bb4-6ce6-4b6f-acdb-5137be7b0649" xlink:href="amt-20231231.xsd#amt_EffectiveIncomeTaxRateReconciliationTaxReserves"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_amt_EffectiveIncomeTaxRateReconciliationTaxReserves_37d69bb4-6ce6-4b6f-acdb-5137be7b0649" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_TaxAdjustmentRelatedToReit_6d69e8d8-dbea-457c-923b-370adb02f2ae" xlink:href="amt-20231231.xsd#amt_TaxAdjustmentRelatedToReit"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_amt_TaxAdjustmentRelatedToReit_6d69e8d8-dbea-457c-923b-370adb02f2ae" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_7f630896-c3fc-4121-acf9-2b9bb838a34b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_7f630896-c3fc-4121-acf9-2b9bb838a34b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_ForeignWithholdingTaxes_810266d4-888d-461a-8325-8d7a66c4f752" xlink:href="amt-20231231.xsd#amt_ForeignWithholdingTaxes"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_amt_ForeignWithholdingTaxes_810266d4-888d-461a-8325-8d7a66c4f752" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_35a99f43-45d4-4f25-bdd5-8c345dd56afd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_35a99f43-45d4-4f25-bdd5-8c345dd56afd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_dfba7df2-c467-476c-9b1e-da0a95698765" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_dfba7df2-c467-476c-9b1e-da0a95698765" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_e648faa9-4568-46e2-aa4e-df90fc8d57e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b2985e60-3806-46b3-a883-4d19d99794a8" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_e648faa9-4568-46e2-aa4e-df90fc8d57e0" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/INCOMETAXESDomesticandForeignComponentsOfIncomeFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#INCOMETAXESDomesticandForeignComponentsOfIncomeFromContinuingOperationsBeforeIncomeTaxesDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/INCOMETAXESDomesticandForeignComponentsOfIncomeFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_459e80bc-05ac-4237-ae3c-1edbc242c7be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_ede29894-3a73-4e61-bab7-b888ae8e9ab3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_459e80bc-05ac-4237-ae3c-1edbc242c7be" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_ede29894-3a73-4e61-bab7-b888ae8e9ab3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_2efca0f9-232c-4937-98ed-3abb11bbe179" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_459e80bc-05ac-4237-ae3c-1edbc242c7be" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_2efca0f9-232c-4937-98ed-3abb11bbe179" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/INCOMETAXESComponentsoftheNetDeferredTaxAssetandRelatedValuationAllowanceDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#INCOMETAXESComponentsoftheNetDeferredTaxAssetandRelatedValuationAllowanceDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/INCOMETAXESComponentsoftheNetDeferredTaxAssetandRelatedValuationAllowanceDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_33e23a2e-5373-4072-961b-619f281c5ba8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e3f7e1ea-f240-428f-b5e6-0572caad2010" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_33e23a2e-5373-4072-961b-619f281c5ba8" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e3f7e1ea-f240-428f-b5e6-0572caad2010" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxLiabilitiesAssetsGross_5e6b83f6-b8a2-4570-a7ed-0f31793ec8b0" xlink:href="amt-20231231.xsd#amt_DeferredTaxLiabilitiesAssetsGross"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_33e23a2e-5373-4072-961b-619f281c5ba8" xlink:to="loc_amt_DeferredTaxLiabilitiesAssetsGross_5e6b83f6-b8a2-4570-a7ed-0f31793ec8b0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:href="amt-20231231.xsd#amt_DeferredTaxLiabilitiesAssetsGross"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxDeferredRentNoncurrent_2db4b63c-2a9e-409e-a975-461640905bc1" xlink:href="amt-20231231.xsd#amt_DeferredTaxDeferredRentNoncurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_amt_DeferredTaxDeferredRentNoncurrent_2db4b63c-2a9e-409e-a975-461640905bc1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_66214d5f-bb50-474f-93bd-aeed35fea705" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOther"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_66214d5f-bb50-474f-93bd-aeed35fea705" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxLiabilitiesRightofUseAsset_ba2f9ed9-430c-41ca-97d2-26d713c532cf" xlink:href="amt-20231231.xsd#amt_DeferredTaxLiabilitiesRightofUseAsset"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_amt_DeferredTaxLiabilitiesRightofUseAsset_ba2f9ed9-430c-41ca-97d2-26d713c532cf" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_0fac10a8-af81-4a19-bdf3-a32d668e3a78" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_0fac10a8-af81-4a19-bdf3-a32d668e3a78" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_dc6e8f51-e412-4a36-98da-562adcbe6cde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_dc6e8f51-e412-4a36-98da-562adcbe6cde" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances_3ab27afc-b046-4235-8c6f-2ed315b6331f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances"/>
<link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances_3ab27afc-b046-4235-8c6f-2ed315b6331f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_NetLongTermOperatingLossCarryForwards_3ebce160-7e38-4f63-9f57-db6a2fc66fc8" xlink:href="amt-20231231.xsd#amt_NetLongTermOperatingLossCarryForwards"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_amt_NetLongTermOperatingLossCarryForwards_3ebce160-7e38-4f63-9f57-db6a2fc66fc8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses_6c478f80-9d1a-4352-b7de-48b9cb5dfee8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses_6c478f80-9d1a-4352-b7de-48b9cb5dfee8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_eaa90c92-1119-456e-a631-7cd18c02fd5b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
<link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_eaa90c92-1119-456e-a631-7cd18c02fd5b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxAssetNondeductibleExpenseInterestAmount_424f50d3-b840-44d4-84a3-a66691fc6fa0" xlink:href="amt-20231231.xsd#amt_DeferredTaxAssetNondeductibleExpenseInterestAmount"/>
<link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_amt_DeferredTaxAssetNondeductibleExpenseInterestAmount_424f50d3-b840-44d4-84a3-a66691fc6fa0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxLiabilityDepreciationAndAmortization_15d2ec49-3318-4b16-ac75-b9b8052d3d0c" xlink:href="amt-20231231.xsd#amt_DeferredTaxLiabilityDepreciationAndAmortization"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_amt_DeferredTaxLiabilityDepreciationAndAmortization_15d2ec49-3318-4b16-ac75-b9b8052d3d0c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_DeferredTaxAssetsOperatingLeaseLiability_b2954552-34f3-4d49-9741-4c8601a36c11" xlink:href="amt-20231231.xsd#amt_DeferredTaxAssetsOperatingLeaseLiability"/>
<link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_amt_DeferredTaxAssetsOperatingLeaseLiability_b2954552-34f3-4d49-9741-4c8601a36c11" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations_c3364877-fafd-49e9-aad5-99dcc0d9e739" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations"/>
<link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations_c3364877-fafd-49e9-aad5-99dcc0d9e739" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_d6505ab0-f5c8-4f0c-8713-ac9b94e934eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_d6505ab0-f5c8-4f0c-8713-ac9b94e934eb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_54861c5f-5977-4076-b442-5bcb86c32c04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards"/>
<link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_DeferredTaxLiabilitiesAssetsGross_518c5289-c284-4682-bffc-363f86b10cef" xlink:to="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_54861c5f-5977-4076-b442-5bcb86c32c04" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/INCOMETAXESNetOperatingLossCarryforwardsExpireDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#INCOMETAXESNetOperatingLossCarryforwardsExpireDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/INCOMETAXESNetOperatingLossCarryforwardsExpireDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_68517f2b-5f41-4db6-b795-470be5903873" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLossCarryforwards"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_NetOperatingLossCarryforwardsExpiringYearsOneThroughFive_cc259c4c-6b75-4275-8202-e0c416f42c24" xlink:href="amt-20231231.xsd#amt_NetOperatingLossCarryforwardsExpiringYearsOneThroughFive"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_68517f2b-5f41-4db6-b795-470be5903873" xlink:to="loc_amt_NetOperatingLossCarryforwardsExpiringYearsOneThroughFive_cc259c4c-6b75-4275-8202-e0c416f42c24" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_NetOperatingLossCarryforwardsExpiringYearsSixThroughTen_80280953-92de-4361-9ab3-1d280984f021" xlink:href="amt-20231231.xsd#amt_NetOperatingLossCarryforwardsExpiringYearsSixThroughTen"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_68517f2b-5f41-4db6-b795-470be5903873" xlink:to="loc_amt_NetOperatingLossCarryforwardsExpiringYearsSixThroughTen_80280953-92de-4361-9ab3-1d280984f021" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_NetOperatingLossCarryforwardsExpiringYearsElevenThroughFifteen_6bb10d89-cb10-4e10-9eb4-24223a48ead9" xlink:href="amt-20231231.xsd#amt_NetOperatingLossCarryforwardsExpiringYearsElevenThroughFifteen"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_68517f2b-5f41-4db6-b795-470be5903873" xlink:to="loc_amt_NetOperatingLossCarryforwardsExpiringYearsElevenThroughFifteen_6bb10d89-cb10-4e10-9eb4-24223a48ead9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_NetOperatingLossCarryforwardsExpiringYearsSixteenThroughTwenty_74bd7066-fcc9-4359-adca-a5da47f8af43" xlink:href="amt-20231231.xsd#amt_NetOperatingLossCarryforwardsExpiringYearsSixteenThroughTwenty"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_68517f2b-5f41-4db6-b795-470be5903873" xlink:to="loc_amt_NetOperatingLossCarryforwardsExpiringYearsSixteenThroughTwenty_74bd7066-fcc9-4359-adca-a5da47f8af43" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_IndefiniteCarryforward_e2b4b076-c654-4425-bc1f-de143435ba96" xlink:href="amt-20231231.xsd#amt_IndefiniteCarryforward"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_68517f2b-5f41-4db6-b795-470be5903873" xlink:to="loc_amt_IndefiniteCarryforward_e2b4b076-c654-4425-bc1f-de143435ba96" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/OTHEROPERATINGEXPENSEScheduleofOtherOperatingExpensesDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#OTHEROPERATINGEXPENSEScheduleofOtherOperatingExpensesDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/OTHEROPERATINGEXPENSEScheduleofOtherOperatingExpensesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_f1be7da7-785e-4c7c-a9bf-5b07cf1914bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherCostAndExpenseOperating"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_b8266956-3504-4f84-80bc-a06eb768d5c0" xlink:href="amt-20231231.xsd#amt_AssetImpairmentChargesIncludedInOtherOperatingExpense"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating_f1be7da7-785e-4c7c-a9bf-5b07cf1914bc" xlink:to="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_b8266956-3504-4f84-80bc-a06eb768d5c0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_6b6c7188-7496-4742-ba00-234ec95c2ecd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnSaleOfOtherAssets"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating_f1be7da7-785e-4c7c-a9bf-5b07cf1914bc" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_6b6c7188-7496-4742-ba00-234ec95c2ecd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_OtherOperatingExpenses_e6f498df-1dc9-42b5-8500-7ada6c680f5c" xlink:href="amt-20231231.xsd#amt_OtherOperatingExpenses"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating_f1be7da7-785e-4c7c-a9bf-5b07cf1914bc" xlink:to="loc_amt_OtherOperatingExpenses_e6f498df-1dc9-42b5-8500-7ada6c680f5c" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/OTHEROPERATINGEXPENSEImpairmentChargesDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#OTHEROPERATINGEXPENSEImpairmentChargesDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/OTHEROPERATINGEXPENSEImpairmentChargesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_88b9f73a-e528-400a-b6a4-673372cf377e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetImpairmentCharges"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_f8ae2457-0a9c-4032-b934-ddc6d55d654b" xlink:href="amt-20231231.xsd#amt_AssetImpairmentChargesIncludedInOtherOperatingExpense"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_88b9f73a-e528-400a-b6a4-673372cf377e" xlink:to="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_f8ae2457-0a9c-4032-b934-ddc6d55d654b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_b8a63bc9-1bb3-4897-b87a-9286a0deb7cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillImpairmentLoss"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_88b9f73a-e528-400a-b6a4-673372cf377e" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_b8a63bc9-1bb3-4897-b87a-9286a0deb7cb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_0e13d781-301c-4573-a3b9-554a2784c43c" xlink:href="amt-20231231.xsd#amt_AssetImpairmentChargesIncludedInOtherOperatingExpense"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_26a212db-d5ce-4360-a1ef-bd4a6391d45f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_0e13d781-301c-4573-a3b9-554a2784c43c" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_26a212db-d5ce-4360-a1ef-bd4a6391d45f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetImpairmentCharges_f2183c2b-e0a8-4f22-99e4-9783a0155644" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetImpairmentCharges"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_AssetImpairmentChargesIncludedInOtherOperatingExpense_0e13d781-301c-4573-a3b9-554a2784c43c" xlink:to="loc_us-gaap_OtherAssetImpairmentCharges_f2183c2b-e0a8-4f22-99e4-9783a0155644" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/EARNINGSPERCOMMONSHAREScheduleOfEarningsPerBasicAndDilutedByCommonClassDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#EARNINGSPERCOMMONSHAREScheduleOfEarningsPerBasicAndDilutedByCommonClassDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/EARNINGSPERCOMMONSHAREScheduleOfEarningsPerBasicAndDilutedByCommonClassDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3082b1b5-1674-4d0a-a150-c3972a601ad2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_017f2e18-a296-4cc6-a27e-76e16bb9e5f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3082b1b5-1674-4d0a-a150-c3972a601ad2" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_017f2e18-a296-4cc6-a27e-76e16bb9e5f2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_c1731e73-3527-44b1-9188-795012244178" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3082b1b5-1674-4d0a-a150-c3972a601ad2" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_c1731e73-3527-44b1-9188-795012244178" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/BUSINESSSEGMENTSSummarizedSegmentFinancialInformationDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#BUSINESSSEGMENTSSummarizedSegmentFinancialInformationDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/BUSINESSSEGMENTSSummarizedSegmentFinancialInformationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_2004f7bf-2a05-4579-8cfc-e40bee260ab9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_e108a3c9-18d9-4801-a6f8-6a451044ab76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_2004f7bf-2a05-4579-8cfc-e40bee260ab9" xlink:to="loc_us-gaap_GrossProfit_e108a3c9-18d9-4801-a6f8-6a451044ab76" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_07bc6474-4632-43a5-96e8-af9e96da08ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_2004f7bf-2a05-4579-8cfc-e40bee260ab9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_07bc6474-4632-43a5-96e8-af9e96da08ef" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_951656cd-979e-4ba0-bd74-ddf4916e1b36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_558d0c89-1317-4a31-bb13-efd4d8ac2d4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_951656cd-979e-4ba0-bd74-ddf4916e1b36" xlink:to="loc_us-gaap_Revenues_558d0c89-1317-4a31-bb13-efd4d8ac2d4f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_718f9863-9f04-4f17-a102-18875ca55ae1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfRevenue"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_951656cd-979e-4ba0-bd74-ddf4916e1b36" xlink:to="loc_us-gaap_CostOfRevenue_718f9863-9f04-4f17-a102-18875ca55ae1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e6a60287-e022-4421-93fe-c490d1d47216" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherExpenses_dec07cbf-cd80-4868-8bf5-31e853f39a92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherExpenses"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e6a60287-e022-4421-93fe-c490d1d47216" xlink:to="loc_us-gaap_OtherExpenses_dec07cbf-cd80-4868-8bf5-31e853f39a92" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_181e7790-db7d-4a06-a1d0-1608392d1003" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e6a60287-e022-4421-93fe-c490d1d47216" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_181e7790-db7d-4a06-a1d0-1608392d1003" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSellingGeneralAndAdministrativeExpense_4d3d2c62-6679-48a1-99de-2e19c69b9619" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherSellingGeneralAndAdministrativeExpense"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e6a60287-e022-4421-93fe-c490d1d47216" xlink:to="loc_us-gaap_OtherSellingGeneralAndAdministrativeExpense_4d3d2c62-6679-48a1-99de-2e19c69b9619" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_bdf2c741-9ccd-4150-a1d6-64f8d24825dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e6a60287-e022-4421-93fe-c490d1d47216" xlink:to="loc_us-gaap_ShareBasedCompensation_bdf2c741-9ccd-4150-a1d6-64f8d24825dc" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_553b802c-2234-483c-92fa-fbd3ef10f13b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e6a60287-e022-4421-93fe-c490d1d47216" xlink:to="loc_us-gaap_OperatingIncomeLoss_553b802c-2234-483c-92fa-fbd3ef10f13b" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.americantower.com/role/ScheduleIIISCHEDULEOFREALESTATEANDACCUMULATEDDEPRECIATIONActivityofRealEstateandAccumulatedDepreciationDetails" xlink:type="simple" xlink:href="amt-20231231.xsd#ScheduleIIISCHEDULEOFREALESTATEANDACCUMULATEDDEPRECIATIONActivityofRealEstateandAccumulatedDepreciationDetails"/>
<link:calculationLink xlink:role="http://www.americantower.com/role/ScheduleIIISCHEDULEOFREALESTATEANDACCUMULATEDDEPRECIATIONActivityofRealEstateandAccumulatedDepreciationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodDeductionsToCost_c2ad0f36-6b37-4ca1-ae38-1dbb6fcd17dd" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodDeductionsToCost"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateCostOfRealEstateSold_ea6b1dfb-b600-4c58-b7d4-8a3e48a6d7c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateCostOfRealEstateSold"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodDeductionsToCost_c2ad0f36-6b37-4ca1-ae38-1dbb6fcd17dd" xlink:to="loc_us-gaap_RealEstateCostOfRealEstateSold_ea6b1dfb-b600-4c58-b7d4-8a3e48a6d7c8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateOtherDeductions_3309a0a6-2fdf-486c-8b8f-a2b642eda198" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateOtherDeductions"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodDeductionsToCost_c2ad0f36-6b37-4ca1-ae38-1dbb6fcd17dd" xlink:to="loc_us-gaap_RealEstateOtherDeductions_3309a0a6-2fdf-486c-8b8f-a2b642eda198" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditionsToAccumulatedDepreciation_0eb50578-b428-4229-9c78-d12998f2fe00" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditionsToAccumulatedDepreciation"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationOtherAdditions_a72769ca-5bfa-4e52-bb78-4a7558f5cfc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateAccumulatedDepreciationOtherAdditions"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditionsToAccumulatedDepreciation_0eb50578-b428-4229-9c78-d12998f2fe00" xlink:to="loc_us-gaap_RealEstateAccumulatedDepreciationOtherAdditions_a72769ca-5bfa-4e52-bb78-4a7558f5cfc4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_d8998dca-9f57-4c39-8649-5649570ec222" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditionsToAccumulatedDepreciation_0eb50578-b428-4229-9c78-d12998f2fe00" xlink:to="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_d8998dca-9f57-4c39-8649-5649570ec222" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateOtherAcquisitions_0020c4e0-7a4a-450f-9f3d-edac47370a7a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateOtherAcquisitions"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_us-gaap_RealEstateOtherAcquisitions_0020c4e0-7a4a-450f-9f3d-edac47370a7a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDiscretionaryCapitalProjectAmount_b04fd941-2080-4f50-a4a9-4bbdb2709f80" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDiscretionaryCapitalProjectAmount"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDiscretionaryCapitalProjectAmount_b04fd941-2080-4f50-a4a9-4bbdb2709f80" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateStartUpCapitalExpenditures_76a4f73f-45b2-44aa-97e0-ffda89e681ff" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateStartUpCapitalExpenditures"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateStartUpCapitalExpenditures_76a4f73f-45b2-44aa-97e0-ffda89e681ff" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateImprovements_95e91aea-de21-40e8-91b2-0d49e1f625b9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateImprovements"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_us-gaap_RealEstateImprovements_95e91aea-de21-40e8-91b2-0d49e1f625b9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDiscretionaryGroundLeasePurchases_c3cb8b7c-da68-4d06-8cd8-09df0466832d" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDiscretionaryGroundLeasePurchases"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDiscretionaryGroundLeasePurchases_c3cb8b7c-da68-4d06-8cd8-09df0466832d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateOtherAdditionNetOfAdjustments_3ebb15bb-a6fd-4f4f-8f3c-c09323d6a999" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateOtherAdditionNetOfAdjustments"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateOtherAdditionNetOfAdjustments_3ebb15bb-a6fd-4f4f-8f3c-c09323d6a999" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateRedevelopmentCapitalExpenditures_db9f17c4-e75e-47e1-ba31-5e6425698d64" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateRedevelopmentCapitalExpenditures"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstatePeriodAdditionsToCost_a366395e-243f-46ed-bfe1-477f9b5a5390" xlink:to="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateRedevelopmentCapitalExpenditures_db9f17c4-e75e-47e1-ba31-5e6425698d64" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductionsToAccumulatedDepreciation_3ef74dab-14fe-4342-a124-af850683bd4c" xlink:href="amt-20231231.xsd#amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductionsToAccumulatedDepreciation"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_e9936598-8c50-4dee-9758-bbae24f46bb2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateAccumulatedDepreciationRealEstateSold"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductionsToAccumulatedDepreciation_3ef74dab-14fe-4342-a124-af850683bd4c" xlink:to="loc_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_e9936598-8c50-4dee-9758-bbae24f46bb2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_1d1b9a6e-137b-4c44-9b71-ce6824b8da1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateAccumulatedDepreciationOtherDeductions"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_amt_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductionsToAccumulatedDepreciation_3ef74dab-14fe-4342-a124-af850683bd4c" xlink:to="loc_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_1d1b9a6e-137b-4c44-9b71-ce6824b8da1e" xlink:type="arc"/>
</link:calculationLink>
</link:linkbase>

3 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/30/24  American Tower Corp./MA           10-Q        3/31/24   95:10M
 3/05/24  American Tower Corp./MA           424B2                  2:812K                                   Donnelley … Solutions/FA
 3/04/24  American Tower Corp./MA           424B5                  1:791K                                   Donnelley … Solutions/FA

56 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/14/23  American Tower Corp./MA           8-K:5,8,9  12/13/23   13:526K
10/26/23  American Tower Corp./MA           10-Q        9/30/23  103:13M
 9/15/23  American Tower Corp./MA           8-K:1,2,9   9/15/23   13:585K                                   Donnelley … Solutions/FA
 7/27/23  American Tower Corp./MA           10-Q        6/30/23  102:16M
 5/25/23  American Tower Corp./MA           8-K:1,2,9   5/25/23   13:631K                                   Donnelley … Solutions/FA
 5/16/23  American Tower Corp./MA           8-K:1,2,9   5/16/23   13:675K                                   Donnelley … Solutions/FA
 4/26/23  American Tower Corp./MA           10-Q        3/31/23   99:11M
 3/03/23  American Tower Corp./MA           8-K:1,2,9   3/03/23   13:571K                                   Donnelley … Solutions/FA
 2/23/23  American Tower Corp./MA           10-K       12/31/22  155:23M
 6/01/22  American Tower Corp./MA           S-3ASR      6/01/22    9:1.7M                                   Donnelley … Solutions/FA
 4/01/22  American Tower Corp./MA           8-K:1,2,9   4/01/22   13:566K                                   Donnelley … Solutions/FA
 3/01/22  American Tower Corp./MA           8-K:5       2/24/22   11:308K
 2/25/22  American Tower Corp./MA           10-K       12/31/21  164:29M
10/28/21  American Tower Corp./MA           10-Q        9/30/21  108:14M
10/05/21  American Tower Corp./MA           8-K:1,2,9  10/05/21   13:594K                                   Donnelley … Solutions/FA
 9/27/21  American Tower Corp./MA           8-K:1,2,9   9/27/21   13:568K                                   Donnelley … Solutions/FA
 7/29/21  American Tower Corp./MA           10-Q        6/30/21  105:13M
 5/21/21  American Tower Corp./MA           8-K:1,2,9   5/21/21   13:611K                                   Donnelley … Solutions/FA
 3/29/21  American Tower Corp./MA           8-K:1,2,9   3/29/21   13:545K                                   Donnelley … Solutions/FA
 2/25/21  American Tower Corp./MA           10-K       12/31/20  166:30M
11/20/20  American Tower Corp./MA           8-K:1,2,9  11/20/20   13:596K                                   Donnelley … Solutions/FA
 9/28/20  American Tower Corp./MA           8-K:1,2,9   9/28/20   13:469K                                   Donnelley … Solutions/FA
 9/10/20  American Tower Corp./MA           8-K:1,2,8,9 9/10/20   14:549K                                   Donnelley … Solutions/FA
 6/03/20  American Tower Corp./MA           8-K:1,2,9   6/03/20   13:569K                                   Donnelley … Solutions/FA
 4/16/20  American Tower Corp./MA           8-K/A:5,9   3/12/20   12:259K                                   Donnelley … Solutions/FA
 1/10/20  American Tower Corp./MA           8-K:1,2,9   1/10/20   13:515K                                   Donnelley … Solutions/FA
10/03/19  American Tower Corp./MA           8-K:1,2,9  10/03/19   13:483K                                   Donnelley … Solutions/FA
 6/13/19  American Tower Corp./MA           8-K:1,2,9   6/13/19    3:296K                                   Donnelley … Solutions/FA
 6/04/19  American Tower Corp./MA           S-3ASR      6/04/19   10:1.5M                                   Donnelley … Solutions/FA
 3/15/19  American Tower Corp./MA           8-K:1,2,9   3/15/19    3:299K                                   Donnelley … Solutions/FA
 2/27/19  American Tower Corp./MA           10-K       12/31/18  155:24M
 5/22/18  American Tower Corp./MA           8-K:1,2,9   5/22/18    3:271K                                   Donnelley … Solutions/FA
 5/02/18  American Tower Corp./MA           10-Q        3/31/18   96:11M
12/08/17  American Tower Corp./MA           8-K:1,2,9  12/08/17    3:284K                                   Donnelley … Solutions/FA
 6/30/17  American Tower Corp./MA           8-K:1,2,8,9 6/30/17    4:269K                                   Donnelley … Solutions/FA
 4/06/17  American Tower Corp./MA           8-K:1,2,9   4/06/17    3:268K                                   Donnelley … Solutions/FA
 3/14/17  American Tower Corp./MA           8-K:5,8,9   3/08/17    5:171K
 9/30/16  American Tower Corp./MA           8-K:1,2,9   9/30/16    3:374K                                   Donnelley … Solutions/FA
 5/13/16  American Tower Corp./MA           8-K:1,2,9   5/13/16    3:340K
 1/12/16  American Tower Corp./MA           8-K:1,2,9   1/12/16    3:287K                                   Donnelley … Solutions/FA
 7/29/15  American Tower Corp./MA           10-Q        6/30/15   93:12M                                    Donnelley … Solutions/FA
 5/07/15  American Tower Corp./MA           8-K:1,2,9   5/07/15    3:301K                                   Donnelley … Solutions/FA
 4/30/15  American Tower Corp./MA           10-Q        3/31/15   89:13M                                    Donnelley … Solutions/FA
 3/03/15  American Tower Corp./MA           8-K:1,3,5,9 2/25/15    5:790K                                   Donnelley … Solutions/FA
 2/24/15  American Tower Corp./MA           10-K       12/31/14  151:31M                                    Donnelley … Solutions/FA
 5/12/14  American Tower Corp./MA           8-K:1,3,5,9 5/06/14    3:405K                                   Donnelley … Solutions/FA
 8/19/13  American Tower Corp./MA           8-K:1,2,9   8/19/13    3:362K                                   Donnelley … Solutions/FA
 5/23/13  American Tower Corp./MA           S-3ASR      5/23/13    9:1.6M                                   Donnelley … Solutions/FA
 5/01/13  American Tower Corp./MA           10-Q        3/31/13   82:10M                                    Donnelley … Solutions/FA
 1/03/12  American Tower Corp./MA           8-K:1,2,3,512/30/11   14:976K                                   Donnelley … Solutions/FA
 8/25/11  American Tower Corp./MA           8-K:1,9     8/24/11    3:77K                                    Donnelley … Solutions/FA
 5/08/09  American Tower Corp./MA           10-Q        3/31/09    5:681K                                   Donnelley … Solutions/FA
 3/05/09  American Tower Corp./MA           8-K:5,9     3/02/09    6:172K                                   Donnelley … Solutions/FA
 3/22/07  American Tower Corp./MA           DEF 14A     5/09/07    1:697K                                   Donnelley … Solutions/FA
 5/11/01  Spectrasite Inc.                  10-Q        3/31/01    7:559K                                   Bowne - DC/FA
 4/02/01  American Tower Corp./MA           10-K       12/31/00   11:1.5M                                   Donnelley Fin’l S… 07/FA
↑Top
Filing Submission 0001053507-24-000011   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Mon., May 13, 2:39:52.4pm ET