5 richest people in america 2012

1.Bill gates

Net Worth:$66 billion – As of September 2012
Source of Wealth: Microsoft, self-made , Age: 56 , Citizenship: U.S.
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2 Warren Buffett

Net Worth:$46 billion – As of September 2012
Source of Wealth: Berkshire Hathaway, self-made , Age: 82 , Citizenship: U.S.

3 Larry Ellison

Net Worth:$41 billion – As of September 2012
Source of Wealth: Oracle, self-made , Age: 68 , Citizenship: U.S.

4 Charles Koch (tie)

Net Worth:$31 billion – As of September 2012
Source of Wealth : Diversified, inherited and growing , Age: 76, Citizenship: United States

4 David Koch (tie)

Net Worth:$31 billion – As of September 2012
Source of Wealth: Diversified, inherited and growing , Age: 71 , Citizenship: United States

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