| Amount of money donated to charity in 2013 (In Dollars) | |
| Mark Zuckerberg and Priscilla Chan | 992200000 |
| George Mitchell | 750000000 |
| Philip and Penelope Knight | 500000000 |
| Michael Bloomberg | 452000000 |
| John and Laura Arnold | 296200000 |
| Charles Johnson | 250000000 |
| Pierre and Pam Omidyar | 225000000 |
| Irwin and Joan Jacobs | 221100000 |
| Sergey Brin and Anne Wojcicki | 219000000 |
| Jeffrey Carlton | 212000000 |
Sources:
, statista.com

When it comes to giving back, these people do it the best. Mark Zuckerberg and his wife Priscilla Chan top the list as the most-generous philanthropists in America, having given nearly a billion dollars to charity in 2013 alone.