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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019f7183-0b2c-74d9-9265-68832330c68a,g:9c5cab77-b8ef-437e-911a-089e6b05c95f-->
<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/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_C000231252Member_019f7183-0b2c-7da4-a656-66832a2c7a5d" xlink:href="ck0001592900-20260531.xsd#ck0001592900_C000231252Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001592900_C000231252Member_019f7183-0b2c-7da4-a656-66832a2c7a5d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#IndustrySectorOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_IndustrySectorDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_IndustrySectorDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialServiceMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_us-gaap_FinancialServiceMember" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HealthCareMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HealthCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_us-gaap_HealthCareMember" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_CashAndCashEquivalents1Member_019f718b-826f-7e0e-ade0-0a91ae232ae5" xlink:href="ck0001592900-20260531.xsd#ck0001592900_CashAndCashEquivalents1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_CashAndCashEquivalents1Member_019f718b-826f-7e0e-ade0-0a91ae232ae5" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#LargestHoldingOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_LargestHoldingsDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_LargestHoldingsDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MicrosoftCorp.Member_019f7183-0b2c-7f36-a58e-888cf4ac2eca" xlink:href="ck0001592900-20260531.xsd#ck0001592900_MicrosoftCorp.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_MicrosoftCorp.Member_019f7183-0b2c-7f36-a58e-888cf4ac2eca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_AlphabetInc.ClassAMember_019f7183-0b2c-725c-b107-05e6c67b2b74" xlink:href="ck0001592900-20260531.xsd#ck0001592900_AlphabetInc.ClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_AlphabetInc.ClassAMember_019f7183-0b2c-725c-b107-05e6c67b2b74" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MSCIInc.Member_019f7183-0b2c-73ec-af05-dc16f57880c7" xlink:href="ck0001592900-20260531.xsd#ck0001592900_MSCIInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_MSCIInc.Member_019f7183-0b2c-73ec-af05-dc16f57880c7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_TaiwanSemiconductorManufacturingCo.Ltd.ADRMember_019f718d-0aa3-70f9-991f-6095ed5e6850" xlink:href="ck0001592900-20260531.xsd#ck0001592900_TaiwanSemiconductorManufacturingCo.Ltd.ADRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_TaiwanSemiconductorManufacturingCo.Ltd.ADRMember_019f718d-0aa3-70f9-991f-6095ed5e6850" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_NvidiaCorp.Member_019f7183-0b2c-76e3-a869-dc2f9342f97f" xlink:href="ck0001592900-20260531.xsd#ck0001592900_NvidiaCorp.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_NvidiaCorp.Member_019f7183-0b2c-76e3-a869-dc2f9342f97f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_AppleInc.Member_019f718d-d567-723b-83d7-29af465b0133" xlink:href="ck0001592900-20260531.xsd#ck0001592900_AppleInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_AppleInc.Member_019f718d-d567-723b-83d7-29af465b0133" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ASMLHoldingNVMember_019f718e-2413-7037-b347-66850d45bc6b" xlink:href="ck0001592900-20260531.xsd#ck0001592900_ASMLHoldingNVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_ASMLHoldingNVMember_019f718e-2413-7037-b347-66850d45bc6b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_UnitedHealthGroupInc.Member_019f718e-6a6e-71d0-8cca-8ff50c1039e9" xlink:href="ck0001592900-20260531.xsd#ck0001592900_UnitedHealthGroupInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_UnitedHealthGroupInc.Member_019f718e-6a6e-71d0-8cca-8ff50c1039e9" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_EliLillyCo.Member_019f718e-d25c-723c-9f09-44539a95f149" xlink:href="ck0001592900-20260531.xsd#ck0001592900_EliLillyCo.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_EliLillyCo.Member_019f718e-d25c-723c-9f09-44539a95f149" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ElevanceHealthInc.Member_019f718f-4bcc-769e-9393-e5e06b0a9b7c" xlink:href="ck0001592900-20260531.xsd#ck0001592900_ElevanceHealthInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_ElevanceHealthInc.Member_019f718f-4bcc-769e-9393-e5e06b0a9b7c" xlink:type="arc" order="10"/>
  </link:definitionLink>
</link:linkbase>
