How old 14 of the world's richest people were when they first became billionaires

Business Insider

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· Not all billionaires join the three comma club at the same age.
· Bill Gates may be richer than Mark Zuckerberg, but the Facebook CEO became a billionaire when he was nearly a decade younger.
· Oprah Winfrey became a billionaire at age 49.
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When Bill Gates became a...

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