Gates tops new Forbes rich list
Forbes said the Microsoft co-founder saw his wealth increase by 5 billion US dollars (£3.2 billion) from last year.
Investor Warren Buffett ranks second with a fortune of 39 billion US dollars (£25 billion), though Forbes said the Berkshire Hathaway chief executive's wealth shrank by 6 billion US dollars (£3.8 billion) from a year ago.
Oracle CEO Larry Ellison rounds out the top three with a net worth of 33 billion US dollars (£21 billion).
Three members of the Walton family, descendants of Wal-Mart founder Sam Walton, also are among the top 10 wealthiest this year.
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