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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0aa9b-96ab-7c40-9c60-3a1b23b62cfc,g:3fa2335d-42df-4fcc-a842-bd379c9b6e4b-->
<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_S000076479Member_01a0aa9b-96ac-7e21-90e5-aa327d8ef10c" xlink:href="ck0001592900-20261002.xsd#ck0001592900_S000076479Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001592900_S000076479Member_01a0aa9b-96ac-7e21-90e5-aa327d8ef10c" 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_C000236406Member_01a0aa9b-96ac-7d88-b758-bf1c906f1642" xlink:href="ck0001592900-20261002.xsd#ck0001592900_C000236406Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001592900_C000236406Member_01a0aa9b-96ac-7d88-b758-bf1c906f1642" 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_01a0aa9b-96ac-776a-9458-26fdbca5c9f7" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-776a-9458-26fdbca5c9f7" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_InvestmentRiskMember_01a0aa9b-96ac-73e3-9464-e1a517883045" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-73e3-9464-e1a517883045" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_GrowthStockInvestmentRiskMember_01a0aa9b-96ac-784a-b7e1-387656753bf9" xlink:href="ck0001592900-20261002.xsd#ck0001592900_GrowthStockInvestmentRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_GrowthStockInvestmentRiskMember_01a0aa9b-96ac-784a-b7e1-387656753bf9" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ManagementRiskMember_01a0aa9b-96ac-7a05-8b84-14cec14d03c6" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-7a05-8b84-14cec14d03c6" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ForeignInvestmentRiskMember_01a0aa9b-96ac-791b-968e-443b77e0b97d" xlink:href="ck0001592900-20261002.xsd#ck0001592900_ForeignInvestmentRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ForeignInvestmentRiskMember_01a0aa9b-96ac-791b-968e-443b77e0b97d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_DepositaryReceiptRiskMember_01a0aa9b-96ac-79a6-b138-eb9da9e9c535" xlink:href="ck0001592900-20261002.xsd#ck0001592900_DepositaryReceiptRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_DepositaryReceiptRiskMember_01a0aa9b-96ac-79a6-b138-eb9da9e9c535" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SectorRiskMember_01a0aa9b-96ac-7d16-9d46-7907a2dc3077" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-7d16-9d46-7907a2dc3077" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SectorRiskInformationTechnologySectorRiskMember_01a0aa9b-96ac-77bb-9e97-e841f0af4fbf" xlink:href="ck0001592900-20261002.xsd#ck0001592900_SectorRiskInformationTechnologySectorRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_SectorRiskInformationTechnologySectorRiskMember_01a0aa9b-96ac-77bb-9e97-e841f0af4fbf" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SectorRiskFinancialsSectorRiskMember_01a0aa9b-96ac-7828-8e7f-968ebc2b8370" xlink:href="ck0001592900-20261002.xsd#ck0001592900_SectorRiskFinancialsSectorRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_SectorRiskFinancialsSectorRiskMember_01a0aa9b-96ac-7828-8e7f-968ebc2b8370" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_FocusedInvestingRiskMember_01a0aa9b-96ab-7b3f-90ef-dc8df7dc5fc4" xlink:href="ck0001592900-20261002.xsd#ck0001592900_FocusedInvestingRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_FocusedInvestingRiskMember_01a0aa9b-96ab-7b3f-90ef-dc8df7dc5fc4" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksMember_01a0aa9b-96ac-7a2e-a096-4f89f78188ae" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-7a2e-a096-4f89f78188ae" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_01a0aa9b-96ac-7057-b77a-2e74142afa78" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-7057-b77a-2e74142afa78" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksPremiumDiscountRiskMember_01a0aa9b-96ac-77e5-93c7-7d0b09f8e246" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-77e5-93c7-7d0b09f8e246" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksCostOfTradingRiskMember_01a0aa9b-96ac-7103-83c3-cc7e17237d90" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-7103-83c3-cc7e17237d90" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ETFRisksTradingRiskMember_01a0aa9b-96ac-7db5-9ee9-7b9e83832b17" xlink:href="ck0001592900-20261002.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_01a0aa9b-96ac-7db5-9ee9-7b9e83832b17" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ConcentrationRiskMember_01a0aa9b-96ab-7ed8-bae6-5e6d93cf2124" xlink:href="ck0001592900-20261002.xsd#ck0001592900_ConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001592900_ConcentrationRiskMember_01a0aa9b-96ab-7ed8-bae6-5e6d93cf2124" xlink:type="arc" order="24"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceMeasureOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_PerformanceMeasureDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_SolactiveGBSUnitedStates1000NTRIndexreflectsnodeductionforfeesexpensesortaxesIndexMember_01a0aa9b-96ac-7245-a760-ffbdf57d8347" xlink:href="ck0001592900-20261002.xsd#ck0001592900_SolactiveGBSUnitedStates1000NTRIndexreflectsnodeductionforfeesexpensesortaxesIndexMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_PerformanceMeasureDomain" xlink:to="loc_ck0001592900_SolactiveGBSUnitedStates1000NTRIndexreflectsnodeductionforfeesexpensesortaxesIndexMember_01a0aa9b-96ac-7245-a760-ffbdf57d8347" xlink:type="arc" order="3"/>
  </link:definitionLink>
</link:linkbase>
