There are 1210 billionaires in the world as of march 2011 The World billionaires list of Forbes.The world billionaries list total net worth is 4.5 trillion$ and the winner is Carlos Slim from Mexico.

Top 10 Billionaires

1.Carlos Slim Helu

Net Worth : 74.0 billion $

Age : 71

Country of Citizenship : Mexico

Sources of wealth : Telmex, América Móvil, Grupo Carso

2.Bill Gates

Net Worth : 56.0 billion $

Age : 55

Country of Citizenship : United States

Sources of wealth : Microsoft

3.Warren Buffet

Net Worth : 50.0 billion $

Age : 80

Country of Citizenship : United States

Sources of wealth : Berkshire Hathaway

4.Bernard Arnault

Net Worth : 41.0 billion $

Age : 62

Country of Citizenship : France

Sources of wealth : LVMH Moët Hennessy, Louis Vuitton

5.Lawrence Ellison

Net Worth : 39.5 billion $

Age : 66

Country of Citizenship : United States

Sources of wealth : Oracle Corporation

6.Lakshmi Mittal

Net Worth : 31.1 billion $

Age : 60

Country of Citizenship : India

Sources of wealth : Arcelor Mittal

7.Amancio Ortega

Net Worth : 31.0 billion $

Age : 74

Country of Citizenship : Spain

Sources of wealth : Inditex Group

8.Eike Batista

Net Worth : 30.0 billion $

Age : 53

Country of Citizenship : Brazil

Sources of wealth : EBX Group

9.Mukesh Ambani

Net Worth : 27.0 billion $

Age : 53

Country of Citizenship : India

Sources of wealth : Reliance Industries

10.Christy Walton

Net Worth : 26.5 billion $

Age : 53

Country of Citizenship : United States

Sources of wealth : Walmart

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