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.

Bill Gates, Microsoft
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Chip Somodevilla/Getty Images

1. Bill Gates -- Gates, co-founder of Microsoft Corp., is also co-chairman of the Bill & Melinda Gates Foundation. His net worth is more than $79.2 billion.

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