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<edgarSubmission xmlns="http://www.sec.gov/edgar/ncen">
  <schemaVersion>X0505</schemaVersion>
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    <submissionType>N-CEN</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000089031</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-4</investmentCompanyType>
    </filerInfo>
    <seriesClass>
      <reportClass>
        <rptIncludeAllClassesFlag>true</rptIncludeAllClassesFlag>
      </reportClass>
    </seriesClass>
  </headerData>
  <formData>
    <generalInfo isReportPeriodLt12="N" reportEndingPeriod="2025-12-31"/>
    <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="corebridgefinancial.com"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>Brigitte K. Lenz</officeName>
          <officeAddress1>2727-A Allen Parkway</officeAddress1>
          <officeCity>Houston</officeCity>
          <officeStateCountry officeState="US-TX" officeCountry="US"/>
          <officeRecordsZipCode>77019-2191</officeRecordsZipCode>
          <officePhone>773-531-1412</officePhone>
          <booksRecordsDesc>Financial Statements, Quarterly Statutory Filings, Annual Statements</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>N</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <registrantFamilyInvComp isRegistrantFamilyInvComp="Y" familyInvCompFullName="Corebridge Financial, Inc. registered separate accounts"/>
      <registrantClassificationType>N-4</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Jennifer A. Roth</ccoName>
          <crdNumber>N/A</crdNumber>
          <ccoStreet1>21650 Oxnard St. Ste 750</ccoStreet1>
          <ccoCity>Woodland Hills</ccoCity>
          <ccoStateCountry ccoCountry="US" ccoState="US-CA"/>
          <ccoZipCode>91367-4997</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>Y</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerId="N/A" ccoEmployerName="N/A"/>
          </ccoEmployers>
        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <isRegistrantSubmittedMatter>N</isRegistrantSubmittedMatter>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <principalUnderwriters>
        <principalUnderwriter>
          <principalUnderwriterName>Corebridge Capital Services, Inc.</principalUnderwriterName>
          <principalUnderwriterFileNumber>008-28733</principalUnderwriterFileNumber>
          <principalUnderwriterCrdNumber>N/A</principalUnderwriterCrdNumber>
          <principalUnderwriterLei>N/A</principalUnderwriterLei>
          <principalUnderWriterStateCountry principalUnderWriterCountry="US" principalUnderWriterState="US-NJ"/>
          <isPrincipalUnderwriterAffiliatedWithRegistrant>Y</isPrincipalUnderwriterAffiliatedWithRegistrant>
        </principalUnderwriter>
      </principalUnderwriters>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>PricewaterhouseCoopers LLP</publicAccountantName>
          <pcaobNumber>N/A</pcaobNumber>
          <publicAccountantLei>N/A</publicAccountantLei>
          <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>5493001UN8SKZSBTO547</depositorLei>
          <depositorStateCountry depositorState="US-TX" depositorCountry="US"/>
          <depositorUltimateParentname>Corebridge Financial, Inc.</depositorUltimateParentname>
        </depositor>
      </depositors>
      <isUitAdminHiredTerminated>N</isUitAdminHiredTerminated>
      <registrantSeparateInsuranceAccount separateAccountSeriesId="S000000575" isRegistrantSeparateInsuranceAccount="Y"/>
      <numOfContracts>2653</numOfContracts>
      <contractSecurities>
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        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Select Reserve VA" contractValueRedeemed="0" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="356165.94" separateAccountContractId="C000008714" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Variety Plus VA" contractValueRedeemed="40219.07" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="229834.74" separateAccountContractId="C000008710" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="8933.12" separateAccountSecurityName="AGL Individual VA Contracts (AGVH)" contractValueRedeemed="116826.94" numContractsAffectedRedeemed="1" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="3228036.64" separateAccountContractId="C000008711" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Individual VA Contracts (AGVU)" contractValueRedeemed="30113.74" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="460300.14" separateAccountContractId="C000008712" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="26094.42" separateAccountSecurityName="AGL WM Advantage VA" contractValueRedeemed="2715011.26" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="21763888.43" separateAccountContractId="C000008715" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="2025735.84" separateAccountSecurityName="AGL WM Strategic Asset Manager VA" contractValueRedeemed="8970184.94" numContractsAffectedRedeemed="9" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="4200.00" separateAccountTotalAsset="32919597.12" separateAccountContractId="C000004712" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Platinum Investor VA" contractValueRedeemed="1749454.99" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="6536059.77" separateAccountContractId="C000008713" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Individual VA Contracts" contractValueRedeemed="1461409.45" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="900.00" separateAccountTotalAsset="3919789.03" separateAccountContractId="C000217272" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="64692.10" separateAccountSecurityName="AGL The Chairman VA" contractValueRedeemed="859292.17" numContractsAffectedRedeemed="1" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="7500.00" separateAccountTotalAsset="10632042.10" separateAccountContractId="C000217271" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="492253.71" separateAccountSecurityName="AGL One Multi Manager" contractValueRedeemed="1305707.89" numContractsAffectedRedeemed="3" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="11847569.24" separateAccountContractId="C000217265" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Elite Plus Bonus VA (EPB)" contractValueRedeemed="3372430.05" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="8400.00" separateAccountTotalAsset="25930557.57" separateAccountContractId="C000217264" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Black VA" contractValueRedeemed="503744.02" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="2614684.44" separateAccountContractId="C000217267" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Blue VA" contractValueRedeemed="975950.40" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="4272667.21" separateAccountContractId="C000217268" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Green VA" contractValueRedeemed="0" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="51687.10" separateAccountContractId="C000217266" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Yellow VA" contractValueRedeemed="0" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="30511.58" separateAccountContractId="C000217269" numContractsAffected="0"/>
        <contractSecurity contractValueRedeemedSection1035="0" separateAccountSecurityName="AGL Orange VA" contractValueRedeemed="27999.45" numContractsAffectedRedeemed="0" grossPremiumReceivedSection1035="0" numContractsSold="0" grossPremiumReceived="0" separateAccountTotalAsset="83989.43" separateAccountContractId="C000217270" numContractsAffected="0"/>
      </contractSecurities>
      <isRule6C7Reliance>N</isRule6C7Reliance>
      <isRule11A2Reliance>Y</isRule11A2Reliance>
      <isRule12D1Dash4Reliance>N</isRule12D1Dash4Reliance>
      <isRule12D1GReliance>N</isRule12D1GReliance>
    </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="Brigitte K. Lenz" signedDate="2026-03-12" title="Vice President and Controller for the Life companies"/>
  </formData>
</edgarSubmission>
