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<edgarSubmission xmlns="http://www.sec.gov/edgar/ncen">
  <schemaVersion>X0303</schemaVersion>
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    <submissionType>N-CEN</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000089031</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>true</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-4</investmentCompanyType>
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    <seriesClass>
      <reportClass>
        <rptIncludeAllClassesFlag>true</rptIncludeAllClassesFlag>
      </reportClass>
    </seriesClass>
  </headerData>
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    <generalInfo isReportPeriodLt12="N" reportEndingPeriod="2020-12-31"/>
    <registrantInfo>
      <registrantFullName>AGL SEPARATE ACCOUNT D</registrantFullName>
      <investmentCompFileNo>811-02441</investmentCompFileNo>
      <registrantCik>0000089031</registrantCik>
      <registrantLei>549300C8J5E85OJW7C32</registrantLei>
      <registrantstreet1>2727-A Allen Parkway</registrantstreet1>
      <registrantcity>Houston</registrantcity>
      <registrantzipCode>77019-2191</registrantzipCode>
      <registrantstate>US-TX</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>713-522-1111</registrantphoneNumber>
      <websites>
        <website webpage="aig.com"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>Craig A. Anderson</officeName>
          <officeAddress1>2727-A Allen Parkway</officeAddress1>
          <officeCity>Houston</officeCity>
          <officeStateCountry officeState="US-TX" officeCountry="US"/>
          <officeRecordsZipCode>77019-2191</officeRecordsZipCode>
          <officePhone>(713) 522-1111</officePhone>
          <booksRecordsDesc>Financial Statements, Quarterly Statutory Filings, Annual Statements</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>N</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <registrantFamilyInvComp isRegistrantFamilyInvComp="Y" familyInvCompFullName="American International Group, Inc. registered separate accounts"/>
      <registrantClassificationType>N-4</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Kyle L. Jennings</ccoName>
          <crdNumber>N/A</crdNumber>
          <ccoStreet1>2919 Allen Parkway</ccoStreet1>
          <ccoCity>Houston</ccoCity>
          <ccoStateCountry ccoCountry="US" ccoState="US-TX"/>
          <ccoZipCode>77019-2191</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>N</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerId="N/A" ccoEmployerName="N/A"/>
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        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <isRegistrantSubmittedMatter>N</isRegistrantSubmittedMatter>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <principalUnderwriters>
        <principalUnderwriter>
          <principalUnderwriterName>AIG Capital Services, Inc.</principalUnderwriterName>
          <principalUnderwriterFileNumber>008-28733</principalUnderwriterFileNumber>
          <principalUnderwriterCrdNumber>N/A</principalUnderwriterCrdNumber>
          <principalUnderwriterLei>N/A</principalUnderwriterLei>
          <principalUnderWriterStateCountry principalUnderWriterCountry="US" principalUnderWriterState="US-CA"/>
          <isPrincipalUnderwriterAffiliatedWithRegistrant>Y</isPrincipalUnderwriterAffiliatedWithRegistrant>
        </principalUnderwriter>
      </principalUnderwriters>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
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        <publicAccountant>
          <publicAccountantName>PricewaterhouseCoopers LLP</publicAccountantName>
          <pcaobNumber>N/A</pcaobNumber>
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          <publicAccountantStateCountry publicAccountantState="US-TX" publicAccountantCountry="US"/>
        </publicAccountant>
      </publicAccountants>
      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
    </registrantInfo>
    <unitInvestmentTrust>
      <depositors>
        <depositor>
          <depositorName>American General Life Insurance Company</depositorName>
          <depositorCrdNo>N/A</depositorCrdNo>
          <depositorLei>N/A</depositorLei>
          <depositorStateCountry depositorState="US-TX" depositorCountry="US"/>
          <depositorUltimateParentname>American International Group, Inc.</depositorUltimateParentname>
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      </depositors>
      <isUitAdminHiredTerminated>N</isUitAdminHiredTerminated>
      <registrantSeparateInsuranceAccount separateAccountSeriesId="S000000575" isRegistrantSeparateInsuranceAccount="Y"/>
      <numOfContracts>4119</numOfContracts>
      <contractSecurities>
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        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="697542.14" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Select Reserve VA" contractValueRedeemed="231235.30" numContractsAffectedRedeemed="0" separateAccountContractId="C000008714" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="311907.88" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Variety Plus VA" contractValueRedeemed="260.00" numContractsAffectedRedeemed="0" separateAccountContractId="C000008710" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="2417953.88" contractValueRedeemedSection1035="55857.05" separateAccountSecurityName="AGL Individual VA Contracts (AGVH)" contractValueRedeemed="138977.67" numContractsAffectedRedeemed="1" separateAccountContractId="C000008711" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="1428305.39" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Individual VA Contracts (AGVU)" contractValueRedeemed="94157.76" numContractsAffectedRedeemed="0" separateAccountContractId="C000008712" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="13314.31" separateAccountTotalAsset="24787292.16" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL WM Advantage VA" contractValueRedeemed="1723178.70" numContractsAffectedRedeemed="0" separateAccountContractId="C000008715" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="4200" separateAccountTotalAsset="47186301.83" contractValueRedeemedSection1035="323110.17" separateAccountSecurityName="AGL WM Strategic Asset Manager VA" contractValueRedeemed="5060625.07" numContractsAffectedRedeemed="4" separateAccountContractId="C000004712" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="1666.64" separateAccountTotalAsset="8627081.82" contractValueRedeemedSection1035="12416.20" separateAccountSecurityName="AGL Platinum Investor VA" contractValueRedeemed="584099.86" numContractsAffectedRedeemed="1" separateAccountContractId="C000008713" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="1155.00" separateAccountTotalAsset="3637093.98" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Individual VA Contracts" contractValueRedeemed="400269.03" numContractsAffectedRedeemed="0" separateAccountContractId="C000217272" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="24784.00" separateAccountTotalAsset="11850132.12" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL The Chairman VA" contractValueRedeemed="333901.24" numContractsAffectedRedeemed="0" separateAccountContractId="C000217271" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="8000.00" separateAccountTotalAsset="15342831.25" contractValueRedeemedSection1035="127664.13" separateAccountSecurityName="AGL One Multi Manager" contractValueRedeemed="1569099.73" numContractsAffectedRedeemed="1" separateAccountContractId="C000217265" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="44856.02" separateAccountTotalAsset="30364603.85" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Elite Plus Bonus VA (EPB)" contractValueRedeemed="2814582.97" numContractsAffectedRedeemed="0" separateAccountContractId="C000217264" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="2322506.75" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Black VA" contractValueRedeemed="139708.67" numContractsAffectedRedeemed="0" separateAccountContractId="C000217267" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="7369994.82" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Blue VA" contractValueRedeemed="1112298.57" numContractsAffectedRedeemed="0" separateAccountContractId="C000217268" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="28202.31" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Green VA" contractValueRedeemed="0" numContractsAffectedRedeemed="0" separateAccountContractId="C000217266" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="16648.93" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Yellow VA" contractValueRedeemed="0" numContractsAffectedRedeemed="0" separateAccountContractId="C000217269" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
        <contractSecurity grossPremiumReceived="0" separateAccountTotalAsset="74498.01" contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Orange VA" contractValueRedeemed="15292.43" numContractsAffectedRedeemed="0" separateAccountContractId="C000217270" numContractsAffected="0" grossPremiumReceivedSection1035="0" numContractsSold="0"/>
      </contractSecurities>
      <isRule6C7Reliance>N</isRule6C7Reliance>
      <isRule11A2Reliance>Y</isRule11A2Reliance>
    </unitInvestmentTrust>
    <attachmentsTab>
      <isLegalProceedings>false</isLegalProceedings>
      <isProvisionFinancialSupport>false</isProvisionFinancialSupport>
      <isIPAReportInternalControl>false</isIPAReportInternalControl>
      <isChangeAccPrinciples>false</isChangeAccPrinciples>
      <isInfoRequiredEO>false</isInfoRequiredEO>
      <isOtherInfoRequired>false</isOtherInfoRequired>
    </attachmentsTab>
    <signature registrantSignedName="AGL SEPARATE ACCOUNT D" signature="Craig A. Anderson" signedDate="2021-03-12" title="Senior Vice President and Life Controller"/>
  </formData>
</edgarSubmission>
