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Unum Group – ‘10-Q’ for 3/31/21 – ‘EX-101.SCH’

On:  Thursday, 5/6/21, at 12:51pm ET   ·   For:  3/31/21   ·   Accession #:  5513-21-90   ·   File #:  1-11294

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

 5/06/21  Unum Group                        10-Q        3/31/21   93:18M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.95M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     30K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     30K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     27K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     27K 
12: R1          Document and Entity Information                     HTML     84K 
13: R2          Consolidated Balance Sheets                         HTML    130K 
14: R3          Consolidated Balance Sheets (Parenthetical)         HTML     52K 
15: R4          Consolidated Statements of Income (Unaudited)       HTML    107K 
16: R5          Consolidated Statements of Comprehensive Loss       HTML     61K 
17: R6          Consolidated Statements of Comprehensive Loss       HTML     39K 
                (Parenthetical)                                                  
18: R7          Consolidated Statements of Stockholders' Equity     HTML     61K 
19: R8          Consolidated Statements of Stockholders' Equity     HTML     28K 
                (Parenthetical)                                                  
20: R9          Consolidated Statements of Cash Flows (Unaudited)   HTML    107K 
21: R10         Basis of Presentation                               HTML     29K 
22: R11         Accounting Developments                             HTML     55K 
23: R12         Fair Values of Financial Instruments                HTML    457K 
24: R13         Investments                                         HTML    498K 
25: R14         Derivative Financial Instruments                    HTML    201K 
26: R15         Accumulated Other Comprehensive Income (Loss)       HTML    115K 
27: R16         Liability for Unpaid Claims and Claim Adjustment    HTML     61K 
                Expenses                                                         
28: R17         Segment Information                                 HTML    135K 
29: R18         Employee Benefit Plans                              HTML     58K 
30: R19         Stockholders' Equity and Earnings Per Common Share  HTML     49K 
31: R20         Commitments and Contingent Liabilities              HTML     41K 
32: R21         Other                                               HTML     37K 
33: R22         Basis of Presentation (Policies)                    HTML     28K 
34: R23         Fair Values of Financial Instruments (Tables)       HTML    381K 
35: R24         Investments (Tables)                                HTML    497K 
36: R25         Derivative Financial Instruments (Tables)           HTML    196K 
37: R26         Accumulated Other Comprehensive Income (Loss)       HTML    119K 
                (Tables)                                                         
38: R27         Liability for Unpaid Claims and Claim Adjustment    HTML     61K 
                Expenses (Tables)                                                
39: R28         Segment Information (Tables)                        HTML    136K 
40: R29         Employee Benefit Plans (Tables)                     HTML     54K 
41: R30         Stockholders' Equity and Earnings Per Common Share  HTML     39K 
                (Tables)                                                         
42: R31         Accounting Developments Additional Information      HTML     33K 
                (Details)                                                        
43: R32         Fair Values of Financial Instruments Private        HTML     59K 
                Equity Partnerships (Details)                                    
44: R33         Fair Value Measurements by Input Level (Detail)     HTML    163K 
45: R34         Changes in Assets and Liabilities Measured at Fair  HTML    115K 
                Value on a Recurring Basis using Significant                     
                Unobservable Inputs (Level 3) (Detail)                           
46: R35         Quantitative Information Regarding Significant      HTML     53K 
                Unobservable Inputs (Details)                                    
47: R36         Fair Values of Financial Instruments Carrying       HTML     74K 
                Amounts and Estimated Fair value of Financial                    
                Instruments Not Measured at Fair Value (Details)                 
48: R37         Fair Value of Financial Instruments Additional      HTML     45K 
                Information (Detail)                                             
49: R38         Amortized Cost and Fair Values of Securities by     HTML     75K 
                Security Type (Detail)                                           
50: R39         Length of Time Fixed Maturity Securities had been   HTML     62K 
                in a Gross Unrealized Loss Position (Detail)                     
51: R40         Investments Distribution of the Maturity Dates for  HTML    104K 
                Fixed Maturity Securities (Details)                              
52: R41         Investments Distribution by External Credit Rating  HTML     43K 
                for Fixed Maturity Securities (Details)                          
53: R42         Debt Securities, Available-for-sale, Allowance for  HTML     37K 
                Credit Losses Rollforward (Details)                              
54: R43         Investments Low Income Housing Tax Credits          HTML     32K 
                (Details)                                                        
55: R44         Mortgage Loans by Property Type and Geographic      HTML     68K 
                Region (Detail)                                                  
56: R45         Schedule of Participating Mortgage Loans by         HTML     55K 
                Internal Credit Rating and Loan to Value (Details)               
57: R46         Mortgage Loans, Sorted by Applicable Credit         HTML    137K 
                Quality Indicators (Detail)                                      
58: R47         Mortgage Loans, Allowance for Credit Losses         HTML     58K 
                Rollforward (Details)                                            
59: R48         Investments Remaining Contractual Maturity of       HTML     45K 
                Security Lending Agreements(Details)                             
60: R49         Investments Federal Home Loan Bank Carrying         HTML     37K 
                Amount, Collateral Posted and Advances Received                  
                (Details)                                                        
61: R50         Investments Schedule of Financial Instrument and    HTML    138K 
                Derivative Offsetting (Details)                                  
62: R51         Investments Investment Income (Detail)              HTML     54K 
63: R52         Realized Investment Gains and Losses Reported in    HTML     50K 
                Consolidated Statements of Income (Detail)                       
64: R53         Investments - Additional Information (Detail)       HTML     95K 
65: R54         Derivative Financial Instruments Nature and Amount  HTML     36K 
                of Collateral Received From and Posted To Our                    
                Derivative Counterparties (Details)                              
66: R55         Notional Amounts for Each Category of Derivative    HTML     54K 
                Activity (Detail)                                                
67: R56         Derivative Financial Instruments Fair Value Hedges  HTML     36K 
                Carrying Amount of Hedged Assets and Cumulative                  
                Basis Adjustments (Details)                                      
68: R57         Location and Fair Values of Derivative Financial    HTML     61K 
                Instruments (Detail)                                             
69: R58         Derivative Financial Instruments Location of Gains  HTML     62K 
                and Losses Designated as Hedging Instruments,                    
                Consolidated Statements of Income (Details)                      
70: R59         Location of Gains and Losses on Derivative          HTML     33K 
                Instruments Designated as Cash Flow Hedging                      
                Instruments (Detail)                                             
71: R60         Gains and Losses on Derivatives Not Designated as   HTML     39K 
                Hedging Instruments (Detail)                                     
72: R61         Derivative Financial Instruments - Additional       HTML     86K 
                Information (Detail)                                             
73: R62         Schedule of Accumulated Other Comprehensive Income  HTML     65K 
                (Loss) (Details)                                                 
74: R63         Schedule of Components of Unrealized Gain (Loss)    HTML     49K 
                on Securities (Details)                                          
75: R64         Schedule of Reclassifications Out of Accumulated    HTML     81K 
                Other Comprehensive Income (Loss) (Details)                      
76: R65         Liability for Unpaid Claims and Claims Adjustment   HTML     62K 
                Expense (Detail)                                                 
77: R66         Reconciliation of Policy and Contract Benefits and  HTML     43K 
                Reserves for Future Policy and Contract Benefits                 
                (Detail)                                                         
78: R67         Liability for Unpaid Claims and CAE - Additional    HTML     34K 
                Information (Details)                                            
79: R68         Premium Income by Major Line of Business within     HTML     72K 
                Each Segment (Detail)                                            
80: R69         Selected Operating Statement Data by Segment        HTML     57K 
                (Detail)                                                         
81: R70         Assets by Segment (Detail)                          HTML     46K 
82: R71         Reconciliation of Total Revenue and Income Before   HTML     58K 
                Income Tax to Operating Revenue and Operating                    
                Income (Detail)                                                  
83: R72         Segment Information Segments - Additional           HTML     28K 
                Information (Detail)                                             
84: R73         Employee Benefit Plans Net Periodic Benefit Cost    HTML     56K 
                (Detail)                                                         
85: R74         Basic and Diluted Earnings Per Share (Detail)       HTML     61K 
86: R75         Stockholders' Equity and Earnings Per Common Share  HTML     42K 
                - Additional Information (Detail)                                
87: R76         Reinsurance (Details)                               HTML     52K 
88: R77         Premium Receivable, Allowance for Credit Loss       HTML     33K 
                (Details)                                                        
89: R9999       Uncategorized Items - unm-20210331.htm              HTML     30K 
91: XML         IDEA XML File -- Filing Summary                      XML    171K 
11: XML         XBRL Instance -- unm-20210331_htm                    XML   5.94M 
90: EXCEL       IDEA Workbook of Financial Reports                  XLSX    147K 
 7: EX-101.CAL  XBRL Calculations -- unm-20210331_cal                XML    274K 
 8: EX-101.DEF  XBRL Definitions -- unm-20210331_def                 XML   1.26M 
 9: EX-101.LAB  XBRL Labels -- unm-20210331_lab                      XML   2.48M 
10: EX-101.PRE  XBRL Presentations -- unm-20210331_pre               XML   1.57M 
 6: EX-101.SCH  XBRL Schema -- unm-20210331                          XSD    257K 
92: JSON        XBRL Instance as JSON Data -- MetaLinks              574±   841K 
93: ZIP         XBRL Zipped Folder -- 0000005513-21-000090-xbrl      Zip    535K 


‘EX-101.SCH’   —   XBRL Schema — unm-20210331


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:roleType id="AccountingDevelopments" roleURI="http://www.unum.com/role/AccountingDevelopments">
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<link:roleType id="FairValuesofFinancialInstruments" roleURI="http://www.unum.com/role/FairValuesofFinancialInstruments">
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<xs:element id="unm_LifeReservesForFuturePolicyAndContractBenefits" abstract="false" name="LifeReservesForFuturePolicyAndContractBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="unm_BCreditRatingMember" abstract="true" name="BCreditRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_OtherObservableMarketDataMember" abstract="true" name="OtherObservableMarketDataMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_MiddleAtlanticMember" abstract="true" name="MiddleAtlanticMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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<xs:element id="unm_CollateralRequirementsMinimumPercentageCollateralToFairValueOfSecuritiesLoanedOrPurchasedUnderRepurchaseAgreements" abstract="false" name="CollateralRequirementsMinimumPercentageCollateralToFairValueOfSecuritiesLoanedOrPurchasedUnderRepurchaseAgreements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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<xs:element id="unm_QuarterlyMember" abstract="true" name="QuarterlyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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<xs:element id="unm_MortgageLoansSortedByApplicableCreditQualityIndicatorsInternalRatingAbstract" abstract="true" name="MortgageLoansSortedByApplicableCreditQualityIndicatorsInternalRatingAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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<xs:element id="unm_UnumInternationalMember" abstract="true" name="UnumInternationalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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<xs:element id="unm_StockholdersEquityandEarningsPerCommonShareAbstract" abstract="true" name="StockholdersEquityandEarningsPerCommonShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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<xs:element id="unm_NewEnglandMember" abstract="true" name="NewEnglandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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<xs:element id="unm_LocationOfGainsAndLossesOnDerivativeFinancialInstrumentsDesignatedAsCashFlowHedgingInstrumentsAbstract" abstract="true" name="LocationOfGainsAndLossesOnDerivativeFinancialInstrumentsDesignatedAsCashFlowHedgingInstrumentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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<xs:element id="unm_RealizedInvestmentGainsAndLossesReportedInConsolidatedStatementsOfIncomeAbstract" abstract="true" name="RealizedInvestmentGainsAndLossesReportedInConsolidatedStatementsOfIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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<xs:element id="unm_CreditExposureMember" abstract="true" name="CreditExposureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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<xs:element id="unm_FinancialInstrumentsFinancialAssetsFairValueDisclosureCarryingValue" abstract="false" name="FinancialInstrumentsFinancialAssetsFairValueDisclosureCarryingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="unm_DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecreaseAndOtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" abstract="false" name="DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecreaseAndOtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_CommitmentsToFundCommercialMortgageLoans" abstract="false" name="CommitmentsToFundCommercialMortgageLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="unm_UnfundedMortgageLoanCommitmentsMember" abstract="true" name="UnfundedMortgageLoanCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_CashReceivedRelatedToActiveLifeVolatilityCoverAgreementReinsuranceAgreement" abstract="false" name="CashReceivedRelatedToActiveLifeVolatilityCoverAgreementReinsuranceAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_DerivativeFinancialInstrumentsReceiveFixedPayVariableMember" abstract="true" name="DerivativeFinancialInstrumentsReceiveFixedPayVariableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_HeirarchyLevelCombinationDomain" abstract="true" name="HeirarchyLevelCombinationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesUnrealizedLossPositionFairValueMember" abstract="true" name="AvailableForSaleSecuritiesUnrealizedLossPositionFairValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_ChangeinComponentsofNetUnrealizedGainonSecuritiesRollForward" abstract="true" name="ChangeinComponentsofNetUnrealizedGainonSecuritiesRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_A6250JuniorSubordinatedNotesDue2058Member" abstract="true" name="A6250JuniorSubordinatedNotesDue2058Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_NegativeCedingCommission" abstract="false" name="NegativeCedingCommission" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_HeirarchyLevelCombinationAxis" abstract="true" name="HeirarchyLevelCombinationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="unm_PolicyLoansCededtoReinsurers" abstract="false" name="PolicyLoansCededtoReinsurers" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_QuarterlyAfter55YearLockWith90DaysNoticeMember" abstract="true" name="QuarterlyAfter55YearLockWith90DaysNoticeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearUnrealizedLossPositionGrossLoss" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearUnrealizedLossPositionGrossLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_SupplementalandVoluntaryInsuranceMember" abstract="true" name="SupplementalandVoluntaryInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_VoluntaryBenefitsMember" abstract="true" name="VoluntaryBenefitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_MiscellaneousLongTermInvestments" abstract="false" name="MiscellaneousLongTermInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_Phases1And2Member" abstract="true" name="Phases1And2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_MortgageLoansbyPropertyTypeandGeographicRegioinTableTextBlock" abstract="false" name="MortgageLoansbyPropertyTypeandGeographicRegioinTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
<xs:element id="unm_LoanToValueRatioAbove65To75PercentMember" abstract="true" name="LoanToValueRatioAbove65To75PercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_UnumPolandMember" abstract="true" name="UnumPolandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_FederalHomeLoanBankCommonStockCarryingAmountsAmountsPostedandAdvancesReceivedTableTextBlock" abstract="false" name="FederalHomeLoanBankCommonStockCarryingAmountsAmountsPostedandAdvancesReceivedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsUnrealizedGainPositionGrossGain" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsUnrealizedGainPositionGrossGain" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_TotalMember" abstract="true" name="TotalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_GroupShortTermDisabilityMember" abstract="true" name="GroupShortTermDisabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesUnrealizedLossPositionGrossLossSubtotal" abstract="false" name="AvailableForSaleSecuritiesUnrealizedLossPositionGrossLossSubtotal" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_FixedMaturitySecuritiesInUnrealizedLossPositionPercentOfTotal" abstract="false" name="FixedMaturitySecuritiesInUnrealizedLossPositionPercentOfTotal" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
<xs:element id="unm_WestSouthCentralMember" abstract="true" name="WestSouthCentralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_FinancialInstrumentsFinancialAssetsFairValueDisclosureTotal" abstract="false" name="FinancialInstrumentsFinancialAssetsFairValueDisclosureTotal" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_AvailableforSaleDebtSecuritiesbyExternalCreditRatingTableTextBlock" abstract="false" name="AvailableforSaleDebtSecuritiesbyExternalCreditRatingTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
<xs:element id="unm_EquityDerivativeContractTypeDomain" abstract="true" name="EquityDerivativeContractTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_WestNorthCentralMember" abstract="true" name="WestNorthCentralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_NetCashPaidInRelationToReinsuranceAgreement" abstract="false" name="NetCashPaidInRelationToReinsuranceAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_InvestmentIncomeOnPfaAssets" abstract="false" name="InvestmentIncomeOnPfaAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_FairValueInputsLevel2OrLevel3Member" abstract="true" name="FairValueInputsLevel2OrLevel3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_UnrealizedAdjustmentToReservesForFuturePolicyAndContractBenefits" abstract="false" name="UnrealizedAdjustmentToReservesForFuturePolicyAndContractBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_AmountRelatedtoInterestMember" abstract="true" name="AmountRelatedtoInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFiveNet" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFiveNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateYearOneNet" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateYearOneNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_DebtSecuritiesAvailableForSaleMaturityWithoutSingleMaturityDateAmortizedCostNet" abstract="false" name="DebtSecuritiesAvailableForSaleMaturityWithoutSingleMaturityDateAmortizedCostNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_FinancingReceivablesAllowanceForCreditLossesPeriodIncreaseDecreaseCommercialMortgageLoansAndUnfundedLoanCommitments" abstract="false" name="FinancingReceivablesAllowanceForCreditLossesPeriodIncreaseDecreaseCommercialMortgageLoansAndUnfundedLoanCommitments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_ScheduleOfNetUnrealizedGainOnSecuritiesAbstract" abstract="true" name="ScheduleOfNetUnrealizedGainOnSecuritiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_LiabilityForUnpaidClaimsAndCAENarrativeInformationLineItems" abstract="true" name="LiabilityForUnpaidClaimsAndCAENarrativeInformationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_IndividualDisabilityInsuranceMember" abstract="true" name="IndividualDisabilityInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_NotionalAmountOfDerivativesAdditions" abstract="false" name="NotionalAmountOfDerivativesAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_ReconciliationofPolicyandContractBenefitsandReservesforFuturePolicyandContractBenefitstoBalanceSheetAmountsTableTextBlock" abstract="false" name="ReconciliationofPolicyandContractBenefitsandReservesforFuturePolicyandContractBenefitstoBalanceSheetAmountsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
<xs:element id="unm_LongTermCareMember" abstract="true" name="LongTermCareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_AccidentAndHealthActiveLifeReserves" abstract="false" name="AccidentAndHealthActiveLifeReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_TotalFinancialInstrumentLiabilitiesNotCarriedatFairValue" abstract="false" name="TotalFinancialInstrumentLiabilitiesNotCarriedatFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_OtherInvestmentsGrossRealizedGains" abstract="false" name="OtherInvestmentsGrossRealizedGains" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_PrivateEquityLimitedPartnershipMember" abstract="true" name="PrivateEquityLimitedPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_EquityDerivativeContractTypeAxis" abstract="true" name="EquityDerivativeContractTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="unm_IncreaseInBenefitsAndChangeInReservesForFutureBenefits" abstract="false" name="IncreaseInBenefitsAndChangeInReservesForFutureBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesDebtMaturitiesUnrealizedGainPositionGrossGainGrossSubtotal" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesUnrealizedGainPositionGrossGainGrossSubtotal" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_DebtSecuritiesAvailableForSaleAmortizedCostNetOfAllowanceForCreditLossesFiscalYearMaturityAbstract" abstract="true" name="DebtSecuritiesAvailableForSaleAmortizedCostNetOfAllowanceForCreditLossesFiscalYearMaturityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_ScheduleOfNetUnrealizedGainOnSecuritiesTable" abstract="true" name="ScheduleOfNetUnrealizedGainOnSecuritiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
<xs:element id="unm_OffsettingForDerivativesAndSecuritiesLendingBalancesAbstract" abstract="true" name="OffsettingForDerivativesAndSecuritiesLendingBalancesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_OriginatedInFiscalYearBeforeLatestFiscalYearMember" abstract="true" name="OriginatedInFiscalYearBeforeLatestFiscalYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_FairValueAssetsandLiabilitiesComponentDomain" abstract="true" name="FairValueAssetsandLiabilitiesComponentDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_ReservesCededPursuantToReinsuranceTransaction" abstract="false" name="ReservesCededPursuantToReinsuranceTransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_PolicyAndContractBenefits" abstract="false" name="PolicyAndContractBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_StockholdersEquityAndEarningsPerCommonShareAdditionalInformationAbstract" abstract="true" name="StockholdersEquityAndEarningsPerCommonShareAdditionalInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_PrivateCreditMember" abstract="true" name="PrivateCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_CreditRatingMember" abstract="true" name="CreditRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsUnrealizedLossPositionGrossLoss" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsUnrealizedLossPositionGrossLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_DistributionOfMaturityDatesForFixedMaturitySecuritiesAbstract" abstract="true" name="DistributionOfMaturityDatesForFixedMaturitySecuritiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_FinancingReceivableOriginationPeriodDomain" abstract="true" name="FinancingReceivableOriginationPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_OriginatedTwoYearsBeforeLastFiscalYearMember" abstract="true" name="OriginatedTwoYearsBeforeLastFiscalYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_SignificantTransactionDomain" abstract="true" name="SignificantTransactionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_OtherComprehensiveIncomeLossNetGainOnHedgesAdjustmentNetOfTax" abstract="false" name="OtherComprehensiveIncomeLossNetGainOnHedgesAdjustmentNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_ChangeInBenefitReservesAndTransactionCosts" abstract="false" name="ChangeInBenefitReservesAndTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_RealAssetsMember" abstract="true" name="RealAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_BBBCreditRatingMember" abstract="true" name="BBBCreditRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_InterestRateDerivativeContractTypeDomain" abstract="true" name="InterestRateDerivativeContractTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_TaxCreditPartnershipMember" abstract="true" name="TaxCreditPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_ClosedBlockMember" abstract="true" name="ClosedBlockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_FairValuesOfFinancialInstrumentsAdditionalInformationAbstract" abstract="true" name="FairValuesOfFinancialInstrumentsAdditionalInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_OriginatedFourYearsBeforeLastFiscalYearMember" abstract="true" name="OriginatedFourYearsBeforeLastFiscalYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_FederalHomeLoanBankCarryingValueofCommonStockCollateralPostedandAdvancesLineItems" abstract="true" name="FederalHomeLoanBankCarryingValueofCommonStockCollateralPostedandAdvancesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_DistributionbyExternalCreditRatingforFixedMaturitySecuritiesAbstract" abstract="true" name="DistributionbyExternalCreditRatingforFixedMaturitySecuritiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_CreditExposureDomain" abstract="true" name="CreditExposureDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_OtherComprehensiveIncomeLossNetGainOnHedgesAdjustmentTax" abstract="false" name="OtherComprehensiveIncomeLossNetGainOnHedgesAdjustmentTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesUnrealizedGainPositionGrossGain" abstract="true" name="AvailableForSaleSecuritiesUnrealizedGainPositionGrossGain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_OutstandingRestrictedStockUnitGrantPricesUpperLimit" abstract="false" name="OutstandingRestrictedStockUnitGrantPricesUpperLimit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
<xs:element id="unm_DerivativeFinancialInstrumentsAdditionalInformationAbstract" abstract="true" name="DerivativeFinancialInstrumentsAdditionalInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="unm_OriginatedInCurrentFiscalYearMember" abstract="true" name="OriginatedInCurrentFiscalYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_ReserveForFuturePolicyAndContractBenefitsMember" abstract="true" name="ReserveForFuturePolicyAndContractBenefitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_Phase2Member" abstract="true" name="Phase2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_OutstandingRestrictedStockUnitGrantPricesLowerLimit" abstract="false" name="OutstandingRestrictedStockUnitGrantPricesLowerLimit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
<xs:element id="unm_ChangeInAdjustmentToDeferredAcquisitionCostsAndReservesForFuturePolicyAndContractBenefitsNetOfReinsuranceTaxExpense" abstract="false" name="ChangeInAdjustmentToDeferredAcquisitionCostsAndReservesForFuturePolicyAndContractBenefitsNetOfReinsuranceTaxExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateUnrealizedLossPositionGrossLoss" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateUnrealizedLossPositionGrossLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="unm_BBCreditRatingMember" abstract="true" name="BBCreditRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="unm_FairValueHedgesCarryingAmountofHedgedAssetsandLiabilitiesandCumulativeBasisAdjustmentsTableTextBlock" abstract="false" name="FairValueHedgesCarryingAmountofHedgedAssetsandLiabilitiesandCumulativeBasisAdjustmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
<xs:element id="unm_AccidentalDeathDismembermentMember" abstract="true" name="AccidentalDeathDismembermentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>


2 Subsequent Filings that Reference this Filing

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

 6/11/21  Unum Group                        424B2                  1:776K                                   Donnelley … Solutions/FA
 6/09/21  Unum Group                        424B5                  1:768K                                   Donnelley … Solutions/FA


3 Previous Filings that this Filing References

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

 4/05/21  Unum Group                        8-K:1,9     3/31/21   15:2M
 3/17/21  Unum Group                        8-K:5,9     3/16/21   13:473K
 3/02/21  Unum Group                        8-K:5,9     3/01/21   14:445K
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