
Source: Forbes
25. Carl Icahn - $24.5 billion

- Founder, Icahn Capital Management
- Age: 78
- Source of wealth: Investments, self made
- Residence New York

- CEO, Dangote Group
- Age: 56
- Source of wealth: Cement, sugar, flour, self made
- Residence: Lagos, Nigeria

- Age: 94
- Source of wealth: Retail, self made
- Residence: Germany

- Age: 88
- Source of wealth: Chocolates
- Residence: Monaco

- Cofounder, Chairman and CEO, Facebook
- Age: 29
- Source of wealth: Facebook, self made
- Residence, California

- Chairman, Hutchison Whampoa
- Age: 85
- Source of wealth: Diversified, self made
- Residence: Hong Kong

- Cofounder, Director of Special Projects, Google
- Age: 40
- Source of wealth: Google, self made
- Residence: California

- CEO, Amazon.com
- Age: 50
- Source of wealth: Amazon.com, self made
- Residence: Seattle

- CEO, Google
- Age: 40
- Source of wealth: Google, self made
- Residence: California

- Ex-Mayor, New York
- Age: 72
- Source of wealth: Bloomberg LP, self made
- Residence: New York

- Chairman and CEO, LVMH Moet Hennessy Louis Vuitton
- Age: 64
- Source of wealth: LVMH
- Residence: Paris

- Chairman, Wal-Mart
- Age: 70
- Source of wealth: Wal-Mart
- Residence: Bentonville, AR

- Chairman, Crystal Bridges Museum of American Art
- Age: 64
- Source of wealth: Wal-Mart
- Residence: Texas

- Chairman, H&M
- Age: 66
- Source of wealth: H&M
- Residence: Stockholm, Sweden

- Age: 91
- Source of wealth: L’Oreal
- Residence: Paris

- Chairman and CEO, Arvest Bank Group, Inc
- Age: 66
- Source of wealth: Wal-Mart
- Residence: Bentonville, AR

- Co-Chair, Children’s Scholarship Fund
- Age: 59
- Source of wealth: Wal-Mart
- Residence: Jackson, WY

- Chairman and CEO, Las Vegas Sands
- Age: 80
- Source of wealth: Casinos, self made
- Residence: Las Vegas

- CEO, Koch Industries
- Age: 78
- Source of wealth: Diversified
- Residence: Wichita, KS

- Executive Vice President, Koch Industries
- Age: 73
- Source of wealth: Diversified
- Residence: New York

- CEO and Founder, Oracle
- Age: 69
- Source of wealth: Oracle, self made
- Residence, California

- CEO, Berkshire Hathaway
- Age: 83
- Source of wealth: Berkshire Hathaway, self made
- Residence: Omaha, NE

- Age: 77
- Source of wealth: Retail, self made
- Residence: La Coruna, Spain

- Honorary Chairman, America Movil
- Age: 74
- Source of wealth: Telecom, self made
- Residence: Mexico

- Co-Chair, Bill & Melinda Gates Foundation
- Age: 58
- Source of wealth: Microsoft, self made
- Residence: Medina, WA