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NEW YORK -- Microsoft Corp. co-founder Bill Gates is still America's richest man, taking the top spot in the Forbes 400 list for the 20th-straight year with a net worth of $72 billion.
Investor Warren Buffett, the head of Berkshire Hathaway Inc., remains in second place with $58.5 billion, while Oracle Corp. co-founder Larry Ellison stays third with $41 billion.
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Brothers Charles and David Koch, co-owners of Koch Industries Inc., stay tied for fourth with $36 billion each.
Cavs owner Dan Gilbert ranks at #118 with $3.9 billion, while Browns owner Jimmy Haslam ranks #369 with $1.45 billion.
Forbes says America's super rich continued to increase their wealth over the past year, with the 400 people on the annual list posting a combined net worth of $2 trillion, up from $1.7 trillion a year ago. That marks their highest combined value ever.
Forbes attributed the growth to strong stock and real estate markets.
Facts about 2013's list of the 400 richest Americans
- 273 on the list are self-made billionaires.
- 71 on the list inherited their wealth.
- 56 on the list inherited a portion of their wealth but are still growing.
- Ira Rennert (#77) is the biggest loser (percentage terms), down 16.7 percent at $3 billion. That's down from $3.6 billion in 2012.
- The youngest billionaires are both tied to Facebook: Mark Zuckerberg (#20) has a net worth of $19 billion at age 29; Dustin Moskovitz (#85) has a net worth of $5.2 billion.
- The oldest billionaire is David Rockefeller Sr. (#193) at age 98 worth $2.8 billion.
- There are 61 other billionaires who did not make the top 400 list for 2013. The cut-off point was $1.3 billion.
- The top three industries of those featured in the richest 400 list are investments, technology and food/beverage.