Richest people on the planet 2015

Published On: Mar 08 2012 09:56:15 AM CST   Updated On: Mar 02 2015 09:37:33 AM CST

A familiar face once again tops Forbes' list of the world's richest billionaires.

Warren Buffett
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Bill Pugliano/Getty Images

3. Warren Buffett -- The 84-year-old CEO of Berkshire Hathaway is worth an estimated $72.7 billion.

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