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.

Billionaires - Jim Walton
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9. Jim Walton (right, pictured with sister Alice) -- The youngest son of Walmart founder Sam Walton, Jim Walton is also the chairman and CEO of Arvest Bank. He's worth an estimated $40.6 billion.

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