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Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “corruption”

Where the money went

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Bhp Foundation → Brookings Institution: $5.0M across 5 grants, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Centre for Democracy and Development (Limited By Guarantee): $3.0M across 2 grants, latest 2023The Patrick J Mcgovern Foundation Inc → Organized Crime and Corruption Reporting Project: $1.2M across 3 grants, latest 2024Foundation to Promote Open Society → New Venture Fund: $950K across 1 grant, latest 2023The William & Flora Hewlett Foundation → Ghana Anti-Corruption Coalition: $715K across 4 grants, latest 2024The Due Process of Law Foundation → Citizens for Integrity Inc: $585K across 3 grants, latest 2024The Ford Foundation → Fundacion Myrna Mack: $470K across 3 grants, latest 2024Rockefeller Brothers Fund Inc → Journalism Development Network Inc: $300K across 3 grants, latest 2024Johanna A Favrot Fund → Fund for Constitutional Government Fbo the Fact Coalition (Michael Arndt): $129K across 2 grants, latest 2023The Sheila Dave & Sherry Gold Foundation → Representus Education Fund: $120K across 3 grants, latest 2024Trace Foundation → Salt Spring Institute for Sustainability Education and Action: $104K across 1 grant, latest 2025Open Compute Project Foundation → Carnegie Mellon: $95K across 1 grant, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Behavioral Insights (Us) Inc: $2.7M across 4 grants, latest 2023Foundation to Promote Open Society → Human Rights First: $575K across 1 grant, latest 2022The Ford Foundation → Due Process of Law Foundation: $375K across 3 grants, latest 2024The William & Flora Hewlett Foundation → African Centre for Parliamentary Affairs: $180K across 1 grant, latest 2024Rockefeller Brothers Fund Inc → Consejo Nacional Anticorrupcion: $175K across 2 grants, latest 2023Johanna A Favrot Fund → Fund for Constitutional Government Fbo the Fact Coalition: $99K across 2 grants, latest 2025Open Compute Project Foundation → Arizona State University: $95K across 1 grant, latest 2024Trace Foundation → The International Centre for Criminal Law Reform and Criminal Justice Polic: $60K across 3 grants, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Bayero University: $1.9M across 6 grants, latest 2023Foundation to Promote Open Society → The Brookings Institution: $500K across 1 grant, latest 2023The Ford Foundation → Metropolitan Group LLC: $303K across 1 grant, latest 2022Rockefeller Brothers Fund Inc → Asociacion Civil Dialogos: $150K across 2 grants, latest 2024Open Compute Project Foundation → Auburn University: $95K across 1 grant, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Center for Information Technology and Development: $1.8M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Policy and Legal Advocacy Centre: $1.6M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Civil Society Legislative Advocacy Centre: $1.5M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Dariamedia Nig Ltd: $1.5M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Centre for Journalism Innovation and Development: $1.4M across 2 grants, latest 2021John D and Catherine T Macarthur Foundation (Consolidated) → Signature Communications Limited: $1.2M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Legal Defence and Assistance Project Ltdgte: $1.2M across 3 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Independent Corrupt Practices and Other Related Offences Commission: $1.1M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → The Nigerian Economic Summit Group: $1.1M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Shehu Musa Yar'adua Foundation (Limited By Guarantee): $1.0M across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Incorporated Trustees of Daily Trust Foundation: $900K across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Royal Institute of International Affairs: $846K across 3 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Nigerian Institute of Social and Economic Research: $800K across 2 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Center for Fiscal Transparency and Integrity Watch: $800K across 5 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → United Nations: $750K across 1 grant, latest 2022John D and Catherine T Macarthur Foundation (Consolidated) → International Bank for Reconstruction and Development: $667K across 2 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → National Institute for Policy and Strategic Studies: $600K across 2 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Sahara Reporters Media Foundation: $600K across 2 grants, latest 2021John D and Catherine T Macarthur Foundation (Consolidated) → Humangle Media Limited: $600K across 2 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Oya Media Limited: $550K across 1 grant, latest 2022John D and Catherine T Macarthur Foundation (Consolidated) → Network Arewa24 Limited: $488K across 1 grant, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Network Arewa24 Limited: $488K across 1 grant, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → International Centre for Investigative Reporting: $480K across 2 grants, latest 2023Foundation to Promote Open Society → Dawning LLC: $475K across 1 grant, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Legal Defence and Assistance Project Ltd Gte: $450K across 1 grant, latest 2021John D and Catherine T Macarthur Foundation (Consolidated) → Juritrust Centre for Socio-Legal Research and Documentation Ltdgte: $450K across 2 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Heda Resource Centre: $449K across 5 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Shehu Musa Yar'adua Foundation (Limited By Guarantee): $413K across 1 grant, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Integrity Organisation (Limited By Guarantee): $400K across 2 grants, latest 2023Foundation to Promote Open Society → Transparency International Ev: $375K across 1 grant, latest 2022Foundation to Promote Open Society → Central European University: $370K across 2 grants, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Wole Soyinka Centre for Investigative Journalism: $350K across 2 grants, latest 2021John D and Catherine T Macarthur Foundation (Consolidated) → Juritrust Centre for Sociolegal Research and Documentation Ltdgte: $350K across 2 grants, latest 2021John D and Catherine T Macarthur Foundation (Consolidated) → Juritrust Centre for Socio Legal Research and Documentation Ltd Gte: $350K across 2 grants, latest 2021The Ford Foundation → Corruption Watch (Rf) Npc: $300K across 3 grants, latest 2024The Ford Foundation → El Quinto Elemento Laboratorio Investigacion E Innovacion Periodistica Ac: $300K across 3 grants, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Royal Institute of International Affairs: $300K across 1 grant, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Brookings Institution: $300K across 2 grants, latest 2023The Ford Foundation → Africa Uncensored Limited: $250K across 2 grants, latest 2024John D and Catherine T Macarthur Foundation (Consolidated): $33M on this topic. Open the funder.John D and Catherine T Macart…$33MBhp Foundation: $5.0M on this topic. Open the funder.Bhp Foundation$5.0MFoundation to Promote Open Society: $3.2M on this topic. Open the funder.Foundation to Promote Open So…$3.2MThe Ford Foundation: $2.0M on this topic. Open the funder.The Ford Foundation$2.0MThe Patrick J Mcgovern Foundation Inc: $1.2M on this topic. Open the funder.The Patrick J Mcgovern Founda…$1.2MThe William & Flora Hewlett Foundation: $895K on this topic. Open the funder.The William & Flora Hewlett F…$895KRockefeller Brothers Fund Inc: $625K on this topic. Open the funder.Rockefeller Brothers Fund Inc$625KThe Due Process of Law Foundation: $585K on this topic. Open the funder.The Due Process of Law Founda…$585KOpen Compute Project Foundation: $285K on this topic. Open the funder.Open Compute Project Foundati…$285KJohanna A Favrot Fund: $228K on this topic. Open the funder.Johanna A Favrot Fund$228KTrace Foundation: $164K on this topic. Open the funder.Trace Foundation$164KThe Sheila Dave & Sherry Gold Foundation: $120K on this topic. Open the funder.The Sheila Dave & Sherry Gold…$120KBrookings Institution: received $5.0M on this topicBrookings Institution$5.0MCentre for Democracy and Development (Limited By Guarantee): received $3.0M on this topicCentre for Democracy and Develo…$3.0MBehavioral Insights (Us) Inc: received $2.7M on this topicBehavioral Insights (Us) Inc$2.7MBayero University: received $1.9M on this topicBayero University$1.9MCenter for Information Technology and Development: received $1.8M on this topicCenter for Information Technolo…$1.8MPolicy and Legal Advocacy Centre: received $1.6M on this topicPolicy and Legal Advocacy Centre$1.6MCivil Society Legislative Advocacy Centre: received $1.5M on this topicCivil Society Legislative Advoc…$1.5MDariamedia Nig Ltd: received $1.5M on this topicDariamedia Nig Ltd$1.5MCentre for Journalism Innovation and Development: received $1.4M on this topicCentre for Journalism Innovatio…$1.4MSignature Communications Limited: received $1.2M on this topicSignature Communications Limited$1.2MOrganized Crime and Corruption Reporting Project: received $1.2M on this topicOrganized Crime and Corruption…$1.2MLegal Defence and Assistance Project Ltdgte: received $1.2M on this topicLegal Defence and Assistance Pr…$1.2MIndependent Corrupt Practices and Other Related Offences Commission: received $1.1M on this topicIndependent Corrupt Practices a…$1.1MThe Nigerian Economic Summit Group: received $1.1M on this topicThe Nigerian Economic Summit Gr…$1.1MShehu Musa Yar'adua Foundation (Limited By Guarantee): received $1.0M on this topicShehu Musa Yar'adua Foundation…$1.0MNew Venture Fund: received $950K on this topicNew Venture Fund$950KIncorporated Trustees of Daily Trust Foundation: received $900K on this topicIncorporated Trustees of Daily…$900KRoyal Institute of International Affairs: received $846K on this topicRoyal Institute of Internationa…$846KNigerian Institute of Social and Economic Research: received $800K on this topicNigerian Institute of Social an…$800KCenter for Fiscal Transparency and Integrity Watch: received $800K on this topicCenter for Fiscal Transparency…$800KUnited Nations: received $750K on this topicUnited Nations$750KGhana Anti-Corruption Coalition: received $715K on this topicGhana Anti-Corruption Coalition$715KInternational Bank for Reconstruction and Development: received $667K on this topicInternational Bank for Reconstr…$667KNational Institute for Policy and Strategic Studies: received $600K on this topicNational Institute for Policy a…$600KSahara Reporters Media Foundation: received $600K on this topicSahara Reporters Media Foundati…$600KHumangle Media Limited: received $600K on this topicHumangle Media Limited$600KCitizens for Integrity Inc: received $585K on this topicCitizens for Integrity Inc$585KHuman Rights First: received $575K on this topicHuman Rights First$575KOya Media Limited: received $550K on this topicOya Media Limited$550KThe Brookings Institution: received $500K on this topicThe Brookings Institution$500KNetwork Arewa24 Limited: received $488K on this topicNetwork Arewa24 Limited$488KNetwork Arewa24 Limited: received $488K on this topicNetwork Arewa24 Limited$488KInternational Centre for Investigative Reporting: received $480K on this topicInternational Centre for Invest…$480KDawning LLC: received $475K on this topicDawning LLC$475KFundacion Myrna Mack: received $470K on this topicFundacion Myrna Mack$470KLegal Defence and Assistance Project Ltd Gte: received $450K on this topicLegal Defence and Assistance Pr…$450KJuritrust Centre for Socio-Legal Research and Documentation Ltdgte: received $450K on this topicJuritrust Centre for Socio-Lega…$450KHeda Resource Centre: received $449K on this topicHeda Resource Centre$449KShehu Musa Yar'adua Foundation (Limited By Guarantee): received $413K on this topicShehu Musa Yar'adua Foundation…$413KIntegrity Organisation (Limited By Guarantee): received $400K on this topicIntegrity Organisation (Limited…$400KDue Process of Law Foundation: received $375K on this topicDue Process of Law Foundation$375KTransparency International Ev: received $375K on this topicTransparency International Ev$375KCentral European University: received $370K on this topicCentral European University$370KWole Soyinka Centre for Investigative Journalism: received $350K on this topicWole Soyinka Centre for Investi…$350KJuritrust Centre for Sociolegal Research and Documentation Ltdgte: received $350K on this topicJuritrust Centre for Sociolegal…$350KJuritrust Centre for Socio Legal Research and Documentation Ltd Gte: received $350K on this topicJuritrust Centre for Socio Lega…$350KMetropolitan Group LLC: received $303K on this topicMetropolitan Group LLC$303KJournalism Development Network Inc: received $300K on this topicJournalism Development Network…$300KCorruption Watch (Rf) Npc: received $300K on this topicCorruption Watch (Rf) Npc$300KEl Quinto Elemento Laboratorio Investigacion E Innovacion Periodistica Ac: received $300K on this topicEl Quinto Elemento Laboratorio…$300KRoyal Institute of International Affairs: received $300K on this topicRoyal Institute of Internationa…$300KBrookings Institution: received $300K on this topicBrookings Institution$300KAfrica Uncensored Limited: received $250K on this topicAfrica Uncensored Limited$250KAfrican Centre for Parliamentary Affairs: received $180K on this topicAfrican Centre for Parliamentar…$180KConsejo Nacional Anticorrupcion: received $175K on this topicConsejo Nacional Anticorrupcion$175KAsociacion Civil Dialogos: received $150K on this topicAsociacion Civil Dialogos$150KFund for Constitutional Government Fbo the Fact Coalition (Michael Arndt): received $129K on this topicFund for Constitutional Governm…$129KRepresentus Education Fund: received $120K on this topicRepresentus Education Fund$120KSalt Spring Institute for Sustainability Education and Action: received $104K on this topicSalt Spring Institute for Susta…$104KFund for Constitutional Government Fbo the Fact Coalition: received $99K on this topicFund for Constitutional Governm…$99KCarnegie Mellon: received $95K on this topicCarnegie Mellon$95KArizona State University: received $95K on this topicArizona State University$95KAuburn University: received $95K on this topicAuburn University$95KThe International Centre for Criminal Law Reform and Criminal Justice Polic: received $60K on this topicThe International Centre for Cr…$60K
12 funders, 64 recipients, grants matching “corruption” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 20192025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →