| World Top 10 billionaires in 2010 |
| # | Name | Net Worth(USD) | Age | Citizenship | Sources of wealth |
| 1 | Carlos Slim Helu | $53.5 billion | 70 | Mexico | Telecom |
| 2 | Bill Gates | $53.0 billion | 54 | United States | Microsoft |
| 3 | Warren Buffett | $47.0 billion | 79 | United States | Investments |
| 4 | Mukesh Ambani | $29.0 billion | 52 | India | Petrochemicals, oil and gas |
| 5 | Lakshmi Mittal | $28.7 billion | 59 | India | Steel |
| 6 | Lawrence Ellison | $28.0 billion | 65 | United States | Oracle Corporation |
| 7 | Bernard Arnault | $27.5 billion | 61 | France | Luxury goods |
| 8 | Eike Batista | $27.0 billion | 53 | Brazil | Mining, oil |
| 9 | Amancio Ortega | $25.0 billion | 74 | Spain | Fashion retail |
| 10 | Karl Albrecht | $23.5 billion | 90 | Germany | Supermarkets |