The 50 American individuals and couples who gave or pledged the most to charity in 2025 committed US$22.4 billion to foundations, universities, hospitals and more. That total was 35% above an inflation-adjusted $16.6 billion in 2024, according to the Chronicle of Philanthropy’s latest annual tally of these donations. Media entrepreneur and former New York Mayor Mike Bloomberg led the Chronicle’s Philanthropy 50 list, followed by Microsoft co-founders Bill Gates and Paul Allen. Allen died in 2018, but his estate is still being settled. The Conversation U.S. asked David Campbell, Lindsey McDougl

The 50 American individuals and couples who gave or pledged the most to charity in 2025 committed US$22.4 billion to foundations, universities, hospitals and more. That total was 35% above an inflation-adjusted $16.6 billion in 2024, according to the Chronicle of Philanthropy’s latest annual tally of these donations. Media entrepreneur and former New York Mayor Mike Bloomberg led the Chronicle’s Philanthropy 50 list, followed by Microsoft co-founders Bill Gates and Paul Allen. Allen died in 2018, but his estate is still being settled. The Conversation U.S. asked David Campbell, Lindsey McDougl