| Wealth in billions of dollars | |
|---|---|
| Bill Gates | 81.9 |
| Carlos Slim Helu & family | 74.2 |
| Warren Buffett | 73.7 |
| Amancio Ortega | 61.5 |
| Larry Ellison | 52.4 |
| Charles Koch | 42.9 |
| David Koch | 42.9 |
| Christy Walton & family | 40.8 |
| Jim Walton | 39.8 |
| Alice Walton | 38.3 |
Sources:
forbes.com

Most of these people have started their wealth in the United States. Examples include WAL-MART, Oracle, and Microsoft. However, two men on the list made their fortunes abroad. Those people are Carlos Slim Helu from Mexico and Amancio Ortega from Spain. WAL-MART had the biggest impact on the list. It is responsible for putting three people on the list; the Walton's.