| Lifetime (in billions) | 2012 (in billons) | |
| Bill & Melinda Gates | 28 | 1.9 |
| Warren Buffett | 25 | 1.87 |
| George Soros | 10 | 0.763 |
| Mark Zuckerberg | 0.549 | 0.519 |
| The Walton Family | 4.6 | 0.432 |
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Sources:
, forbes.com, priresearch.org
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| Lifetime (in billions) | 2012 (in billons) | |
| Bill & Melinda Gates | 28 | 1.9 |
| Warren Buffett | 25 | 1.87 |
| George Soros | 10 | 0.763 |
| Mark Zuckerberg | 0.549 | 0.519 |
| The Walton Family | 4.6 | 0.432 |
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Mark Zuckerberg made the list of the top five biggest givers in 2012, donating more than even the Walton family, although they have over five times his net worth.