Billionaires on a roll.

• Position: MONEY - Brief article

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Both the number of the world's billionaires and their total wealth have increased sharply in recent years, according to Forbes. The magazine reported a record 946 billionaires for 200?. Microsoft founder Bill Gates tops the list as the world's richest man for the 13th year in a row, with a net worth of $56 billion; Nebraska investor Warren Buffett follows dose behind in the No. 2 spot, with a net worth of $52 billion. The U.S. Leads the world with 415 billionaires, followed by Germany with 55, and Russia with 53. And after a 20-year reign, Japan...