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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a08572-f54c-7770-82c8-87e5d6b996b9,g:e877af02-5329-4541-8943-3e3134bf1355-->
<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://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#SeriesOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_S000092527Member_01a08572-f54c-739b-b4b8-8de8a249b22d" xlink:href="ck0001592900-20260923.xsd#ck0001592900_S000092527Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001592900_S000092527Member_01a08572-f54c-739b-b4b8-8de8a249b22d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ClassOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_C000260559Member_01a08572-f54c-7612-9c24-cf355c802929" xlink:href="ck0001592900-20260923.xsd#ck0001592900_C000260559Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001592900_C000260559Member_01a08572-f54c-7612-9c24-cf355c802929" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/RiskOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#RiskOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/rr/role/RiskOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AllRisksMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_EquityInvestingRiskMember_01a08572-f54c-7ed4-9aa3-58ceabeac92b" xlink:href="ck0001592900-20260923.xsd#ck0001592900_EquityInvestingRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_EquityInvestingRiskMember_01a08572-f54c-7ed4-9aa3-58ceabeac92b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ValueStyleInvestingRiskMember_01a08572-f54c-7769-a2b7-1bbcf3c0c8ec" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ValueStyleInvestingRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ValueStyleInvestingRiskMember_01a08572-f54c-7769-a2b7-1bbcf3c0c8ec" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_QualityStocksRiskMember_01a086af-02b2-7315-9170-50b8035c791e" xlink:href="ck0001592900-20260923.xsd#ck0001592900_QualityStocksRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_QualityStocksRiskMember_01a086af-02b2-7315-9170-50b8035c791e" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_GeographicInvestmentRiskMember_01a08572-f54c-7b24-b062-e653f966fcf9" xlink:href="ck0001592900-20260923.xsd#ck0001592900_GeographicInvestmentRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_GeographicInvestmentRiskMember_01a08572-f54c-7b24-b062-e653f966fcf9" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_GeographicInvestmentRiskRiskOfInvestingInTheU.SRiskMember_01a08572-f54c-795a-82f5-00beb7234d9e" xlink:href="ck0001592900-20260923.xsd#ck0001592900_GeographicInvestmentRiskRiskOfInvestingInTheU.SRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_GeographicInvestmentRiskRiskOfInvestingInTheU.SRiskMember_01a08572-f54c-795a-82f5-00beb7234d9e" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_GeographicInvestmentRiskRisksRelatedToInvestingInCanadaRiskMember_01a08572-f54c-77fd-bd98-b8d97ccbb9c5" xlink:href="ck0001592900-20260923.xsd#ck0001592900_GeographicInvestmentRiskRisksRelatedToInvestingInCanadaRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_GeographicInvestmentRiskRisksRelatedToInvestingInCanadaRiskMember_01a08572-f54c-77fd-bd98-b8d97ccbb9c5" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_InvestmentRiskMember_01a08572-f54c-77ec-8a52-1bc98086bcff" xlink:href="ck0001592900-20260923.xsd#ck0001592900_InvestmentRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_InvestmentRiskMember_01a08572-f54c-77ec-8a52-1bc98086bcff" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_DepositaryReceiptsRiskMember_01a08572-f54c-7825-a3d3-a7b6c42471e2" xlink:href="ck0001592900-20260923.xsd#ck0001592900_DepositaryReceiptsRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_DepositaryReceiptsRiskMember_01a08572-f54c-7825-a3d3-a7b6c42471e2" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ForeignSecuritiesRiskMember_01a08572-f54c-708d-858d-bdf34bfa48a0" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ForeignSecuritiesRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ForeignSecuritiesRiskMember_01a08572-f54c-708d-858d-bdf34bfa48a0" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_FocusInvestingRiskMember_01a08572-f54c-733a-8efa-3d6d112dd778" xlink:href="ck0001592900-20260923.xsd#ck0001592900_FocusInvestingRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_FocusInvestingRiskMember_01a08572-f54c-733a-8efa-3d6d112dd778" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SectorRiskMember_01a08572-f54c-79d9-a77d-372d15c2a62a" xlink:href="ck0001592900-20260923.xsd#ck0001592900_SectorRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_SectorRiskMember_01a08572-f54c-79d9-a77d-372d15c2a62a" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SectorRiskIndustrialsSectorRiskMember_01a086b1-ba49-751e-a305-116a410fe054" xlink:href="ck0001592900-20260923.xsd#ck0001592900_SectorRiskIndustrialsSectorRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_SectorRiskIndustrialsSectorRiskMember_01a086b1-ba49-751e-a305-116a410fe054" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SectorRiskConsumerDiscretionarySectorRiskMember_01a086b2-78e4-70bd-9f97-69a04810cfb1" xlink:href="ck0001592900-20260923.xsd#ck0001592900_SectorRiskConsumerDiscretionarySectorRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_SectorRiskConsumerDiscretionarySectorRiskMember_01a086b2-78e4-70bd-9f97-69a04810cfb1" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_CashAndCashEquivalentsRiskMember_01a0c968-f0ff-7607-a37e-c9794a0212e6" xlink:href="ck0001592900-20260923.xsd#ck0001592900_CashAndCashEquivalentsRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_CashAndCashEquivalentsRiskMember_01a0c968-f0ff-7607-a37e-c9794a0212e6" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MarketCapitalizationRiskMember_01a08572-f54c-76ef-89c1-35ae96c46fe5" xlink:href="ck0001592900-20260923.xsd#ck0001592900_MarketCapitalizationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_MarketCapitalizationRiskMember_01a08572-f54c-76ef-89c1-35ae96c46fe5" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MarketCapitalizationRiskLargeCapitalizationCompanyRiskMember_01a08572-f54c-70bc-b50b-75f018f79f98" xlink:href="ck0001592900-20260923.xsd#ck0001592900_MarketCapitalizationRiskLargeCapitalizationCompanyRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_MarketCapitalizationRiskLargeCapitalizationCompanyRiskMember_01a08572-f54c-70bc-b50b-75f018f79f98" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MarketCapitalizationRiskMidCapitalizationCompanyRiskMember_01a08572-f54c-7982-9151-638932143649" xlink:href="ck0001592900-20260923.xsd#ck0001592900_MarketCapitalizationRiskMidCapitalizationCompanyRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_MarketCapitalizationRiskMidCapitalizationCompanyRiskMember_01a08572-f54c-7982-9151-638932143649" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MarketCapitalizationRiskSmallCapitalizationCompanyRiskMember_01a08572-f54c-70ee-860a-9df22d0d08a6" xlink:href="ck0001592900-20260923.xsd#ck0001592900_MarketCapitalizationRiskSmallCapitalizationCompanyRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_MarketCapitalizationRiskSmallCapitalizationCompanyRiskMember_01a08572-f54c-70ee-860a-9df22d0d08a6" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_REITRiskMember_01a08572-f54c-7048-9e39-92616d384f3b" xlink:href="ck0001592900-20260923.xsd#ck0001592900_REITRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_REITRiskMember_01a08572-f54c-7048-9e39-92616d384f3b" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksMember_01a08572-f54c-7e39-9b20-45aae7ceb4a7" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ETFRisksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ETFRisksMember_01a08572-f54c-7e39-9b20-45aae7ceb4a7" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_01a08572-f54c-78a3-9aa0-460b03b84bad" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_01a08572-f54c-78a3-9aa0-460b03b84bad" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksPremiumDiscountRiskMember_01a08572-f54c-7191-8c48-13faa83684e2" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ETFRisksPremiumDiscountRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ETFRisksPremiumDiscountRiskMember_01a08572-f54c-7191-8c48-13faa83684e2" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksCostOfTradingRiskMember_01a08572-f54c-734a-8927-cb56701e0c7b" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ETFRisksCostOfTradingRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ETFRisksCostOfTradingRiskMember_01a08572-f54c-734a-8927-cb56701e0c7b" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksTradingRiskMember_01a08572-f54c-7245-9c4d-8cf6d436ac0f" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ETFRisksTradingRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ETFRisksTradingRiskMember_01a08572-f54c-7245-9c4d-8cf6d436ac0f" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ManagementRiskMember_01a08572-f54c-7106-bc01-3d60fde5a9ee" xlink:href="ck0001592900-20260923.xsd#ck0001592900_ManagementRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ManagementRiskMember_01a08572-f54c-7106-bc01-3d60fde5a9ee" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_NewFundRiskMember_01a08572-f54c-71b1-9384-ff023596c58b" xlink:href="ck0001592900-20260923.xsd#ck0001592900_NewFundRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_NewFundRiskMember_01a08572-f54c-71b1-9384-ff023596c58b" xlink:type="arc" order="34"/>
  </link:definitionLink>
</link:linkbase>
