Top 10 Richest People in the World, 2015

10. Liliane Bettencourt & family

Liliane Bettencourt

Net Worth: $40.1 billion, Source of Wealth: L'Oreal
Citizenship: France

9. Jim Walton

Jim Walton

Net Worth: $40.6 billion, Source of Wealth: Wal-Mart
Citizenship: United States

8. Christy Walton & family

Christy Walton

Net Worth: $41.7 billion, Source of Wealth: Wal-Mart
Citizenship: United States

6. David Koch

David Koch

Net Worth: $42.9 billion, Source of Wealth: Koch Industries
Citizenship: United States

6. Charles Koch

Charles Koch

Net Worth: $42.9 billion, Source of Wealth: Koch Industries
Citizenship: United States

5. Larry Ellison

Larry Ellison

Net Worth: $54.3 billion, Source of Wealth: Oracle Corporation
Citizenship: United States

4. Amancio Ortega

Amancio Ortega

Net Worth: $64.5 billion, Source of Wealth: Inditex Group
Citizenship: Spain

3. Warren Buffett

Warren Buffett

Net Worth: $72.7 billion, Source of Wealth: Berkshire Hathaway
Citizenship: United States

2. Carlos Slim

Carlos Slim

Net Worth: $77.1 billion, Source of Wealth: Telmex, Grupo Carso
Citizenship: Mexico

1. Bill Gates

Bill Gates

Net Worth: $79.2 billion, Source of Wealth: Microsoft
Citizenship: United States

The World's Billionaires 2015 edition was the 29th annual ranking of The World's Billionaires by Forbes magazine. The list estimated the net worth of the world's richest people. The new list was released online on March 2, 2015.