BILLIONAIRES IN 2009
- Total number: 793 (1,125 in 2008)
- Net worth: $2.4tn ($4.4tn in 2008)
- Women: 72 (99 in 2008)
- Average age: 63.7 (61 in 2008)
YOUNG BILLIONAIRES
- Sergey Brin, 35, Google co-founder, $12bn
- Larry Page, 36, Google co-founder, $12bn
- Sheik Mansour Bin Sayed Al Nahayan, 39, Abu Dhabi royal family, $4.9bn
- Daniel Ziff, 37, Ziff Brother Investments, $3.5bn
- John Arnold, 35, Centaurus Hedge Fund, $2.7bn
- Prince Albert von Thurn und Taxis, 25, $2.1
- Kenneth Griffin, 40, Citadel Hedge Fund, $1.5bn
- Chu Lam Yiu, 39, Huabao International, $1.5bn
- Jerry Yang, 40, Yahoo co-founder, $1.1bn
- William Ding, 38, Netease founder, $1.1bn
- Andrey Melnichenko, 37, MDM Bank founder, $1bn
source: Forbes
The World’s Billionaires 2009
| Rank | Name | Citizenship | Age | Net Worth ($bil) | Residence |
| 1 | William Gates III | United States | 53 | 40.0 | United States |
| 2 | Warren Buffett | United States | 78 | 37.0 | United States |
| 3 | Carlos Slim Helu & family | Mexico | 69 | 35.0 | Mexico |
| 4 | Lawrence Ellison | United States | 64 | 22.5 | United States |
| 5 | Ingvar Kamprad & family | Sweden | 83 | 22.0 | Switzerland |
| 6 | Karl Albrecht | Germany | 89 | 21.5 | Germany |
| 7 | Mukesh Ambani | India | 51 | 19.5 | India |
| 8 | Lakshmi Mittal | India | 58 | 19.3 | United Kingdom |
| 9 | Theo Albrecht | Germany | 87 | 18.8 | Germany |
| 10 | Amancio Ortega | Spain | 73 | 18.3 | Spain |
10 Hot 