<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019df33f-821b-7e9c-b744-b275e43055c7,g:4e3d0402-08c8-4066-ac1c-d25909faaca1-->
<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" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://tpg.com/role/Cover" xlink:type="simple" xlink:href="tpg-20260804.xsd#Cover"/>
  <link:definitionLink xlink:role="http://tpg.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019df33f-821b-7c60-8180-5dc389e96a81" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_DocumentInformationTable_019df33f-821b-7c60-8180-5dc389e96a81" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019df33f-821b-72ce-8c22-c6adb1deff2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019df33f-821b-7c60-8180-5dc389e96a81" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019df33f-821b-72ce-8c22-c6adb1deff2f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019df33f-821b-72ce-8c22-c6adb1deff2f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019df33f-821b-72ce-8c22-c6adb1deff2f" xlink:to="loc_us-gaap_ClassOfStockDomain_019df33f-821b-72ce-8c22-c6adb1deff2f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019df33f-821b-73e8-a02d-fe5e586dcf48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019df33f-821b-72ce-8c22-c6adb1deff2f" xlink:to="loc_us-gaap_ClassOfStockDomain_019df33f-821b-73e8-a02d-fe5e586dcf48" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019df33f-821b-7dd7-8c1c-66643e5c539f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019df33f-821b-73e8-a02d-fe5e586dcf48" xlink:to="loc_us-gaap_CommonClassAMember_019df33f-821b-7dd7-8c1c-66643e5c539f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpg_JuniorSubordinatedNotesDue2064Member_019df33f-821b-7c77-9744-fc98898d0859" xlink:href="tpg-20260804.xsd#tpg_JuniorSubordinatedNotesDue2064Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019df33f-821b-73e8-a02d-fe5e586dcf48" xlink:to="loc_tpg_JuniorSubordinatedNotesDue2064Member_019df33f-821b-7c77-9744-fc98898d0859" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019df33f-821b-724d-8f95-958f501feebc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_DocumentType_019df33f-821b-724d-8f95-958f501feebc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019df33f-821b-74e8-98f8-a82754b9933d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_DocumentPeriodEndDate_019df33f-821b-74e8-98f8-a82754b9933d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019df33f-821b-75f8-81b3-b0a51ee23392" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityRegistrantName_019df33f-821b-75f8-81b3-b0a51ee23392" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019df33f-821b-7cb9-a95d-7b645d3460f9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019df33f-821b-7cb9-a95d-7b645d3460f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019df33f-821b-78a7-aedb-6bee83096976" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityFileNumber_019df33f-821b-78a7-aedb-6bee83096976" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019df33f-821b-7386-a2bd-705e32ea9f05" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityTaxIdentificationNumber_019df33f-821b-7386-a2bd-705e32ea9f05" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019df33f-821b-72c4-b979-9e661665f32c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityAddressAddressLine1_019df33f-821b-72c4-b979-9e661665f32c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019df33f-821b-75e3-9960-c84d2db02da3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityAddressAddressLine2_019df33f-821b-75e3-9960-c84d2db02da3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019df33f-821b-71ad-b2a4-7c11fcc66d8f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityAddressCityOrTown_019df33f-821b-71ad-b2a4-7c11fcc66d8f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019df33f-821b-7601-b188-49a5beb45c9e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityAddressStateOrProvince_019df33f-821b-7601-b188-49a5beb45c9e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019df33f-821b-7636-8886-12a8c8c04cab" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityAddressPostalZipCode_019df33f-821b-7636-8886-12a8c8c04cab" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019df33f-821b-7885-9aaa-7f22d45e8cd1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_CityAreaCode_019df33f-821b-7885-9aaa-7f22d45e8cd1" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019df33f-821b-7bc0-9a23-352772d34885" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_LocalPhoneNumber_019df33f-821b-7bc0-9a23-352772d34885" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019df33f-821b-7ad2-82d9-18873c17b189" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_WrittenCommunications_019df33f-821b-7ad2-82d9-18873c17b189" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019df33f-821b-7663-ba4d-1bd0b234fbe2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_SolicitingMaterial_019df33f-821b-7663-ba4d-1bd0b234fbe2" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019df33f-821b-7eed-95aa-c26ea7ce3626" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_PreCommencementTenderOffer_019df33f-821b-7eed-95aa-c26ea7ce3626" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019df33f-821b-71b2-991b-425e23947963" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019df33f-821b-71b2-991b-425e23947963" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019df33f-821b-7b76-9150-1db58d1f503d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_Security12bTitle_019df33f-821b-7b76-9150-1db58d1f503d" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019df33f-821b-7454-a330-67a4f8e882d8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_TradingSymbol_019df33f-821b-7454-a330-67a4f8e882d8" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019df33f-821b-7ab1-8805-27dc527bab35" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_SecurityExchangeName_019df33f-821b-7ab1-8805-27dc527bab35" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019df33f-821b-7b98-a2b7-fcbe24726d0b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityEmergingGrowthCompany_019df33f-821b-7b98-a2b7-fcbe24726d0b" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019df33f-821b-7fb7-93c9-56c9dfe768fe" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_EntityCentralIndexKey_019df33f-821b-7fb7-93c9-56c9dfe768fe" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019df33f-821b-7cc4-b4b6-b37dca5484f5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019df33f-821b-740f-9989-6e3f556235de" xlink:to="loc_dei_AmendmentFlag_019df33f-821b-7cc4-b4b6-b37dca5484f5" xlink:type="arc" order="22"/>
  </link:definitionLink>
</link:linkbase>
