Forbes crowns American investor Bill Gates as world 's richest person . At $ 58 billion , his net worth is up $ 2 billion from a year ago . After 13 years on top , Forbes 's Bill Gates drops to 2 position . Russia replaces Russia as No . 2 country with number three billionaires . Facebook founder Mark Zuckerberg may be youngest self-made billionaire in history .
Forbes crowns American investor Bill Gates as world 's richest person . After 13 years on top , Forbes 's Bill Gates drops to 2 position . Russia replaces Russia as No . 2 country with number three billionaires . Facebook founder Mark Zuckerberg may be youngest self-made billionaire in history .