Top 10 Richest People in America

• Nationality United States

Top 10 Richest People in America net worth: This 26th year of tracking global wealth was one to remember, with an all-time high . The 2012 Forbes Billionaires List breaks two records: total number of listees (1,226) and combined wealth ($4.6 trillion). This horde surpasses the gross domestic product of Germany, one of only six nations to have fewer billionaires this year.
Here’s the Top 10 Richest People United States as of 2012:

No. 1 Bill Gates

Net Worth:$61 billion – As of March 2012
Source: Microsoft, self-made , Age: 56 , Citizenship: U.S.

No. 2 Warren Buffett

Net Worth:$44 billion – As of March 2012
Source: Berkshire Hathaway, self-made , Age: 81 , Citizenship: U.S.

No. 3 Larry Ellison

Net Worth:$36 billion – As of March 2011
Source: Oracle, self-made , Age: 67 , Citizenship: U.S.

No. 4 Christy Walton & family

Net Worth:$25.3 billion – As of March 2012
Source: Walmart, inherited , Age: 57 , Citizenship: U.S.

No. 5 Charles Koch (tie)

Net Worth:$25 billion – As of March 2012
Source: Diversified, inherited and growing , Age: 76, Citizenship: United States

No. 5 David Koch (tie)

Net Worth:$25 billion – As of March 2012
Source: Diversified, inherited and growing , Age: 71 , Citizenship: United States

No. 7 Sheldon Adelson

Net Worth:$24.9 billion – As of March 2012
Source: Casinos, self-made , Age: 78 , Citizenship: United States

No. 8 Jim Walton

Net Worth:$23.7 billion – As of March 2012
Source: Walmart, inherited , Age: 64 , Citizenship: United States

No. 9 Alice Walton

Net Worth:$23.3 billion – As of March 2012
Source: Walmart, inherited , Age: 62 , Citizenship: United States

No. 10 R. Robson Walton

Net Worth:$23.1 billion – As of March 2012
Source: Walmart, inherited , Age: 68 , Citizenship: United States

[See full list on Forbes.com]