Who are the largest INGOs in the US — and where do they get funding?
By Miguel Antonio Tamonan // 25 August 2025
The 50 largest international nongovernmental organizations in the United States had a cumulative income of $27.5 billion in the last year for which there are tax filings.
That’s according to an exclusive new report by Devex, which also found that the top 50 INGOs saw a 3.3% real-term reduction in their total latest income compared to the previous year.
Overall, 26 of these nonprofits earned less, in real terms, in their latest reporting year than the previous one. This loss amounted to $2.3 billion.
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About the author
Miguel Antonio Tamonan@migueldevex
Miguel Tamonan is a Senior Development Analyst at Devex, where he analyzes data from public and private donors to produce content and special reports for Pro and Pro Funding readers. He has a bachelor’s degree in Political Science with a Major in International Relations from the Polytechnic University of the Philippines.
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