Ted S. Warren/AP
Amazon CEO Jeff Bezos is now the third-richest person in the world, with a net worth of $73.1 billion.
That's according to the Bloomberg Billionaires Index, which recently relaunched and expanded online to include 500 billionaires across the globe. The ranking updates daily to provide up-to-the-minute data on the world's wealthiest men and women. You can read about the ranking's full methodology here.
Business Insider has culled the 30 richest from the ranking as of March 1, when the index relaunched in its expanded format.
Billionaires need a minimum net worth of at least $22.5 billion to crack the top 30. Eighteen from this group hail from the US and two-thirds are completely self-made, having built some of the world's most powerful companies, including Amazon, Berkshire Hathaway, Google, Facebook, and Oracle.
The two biggest gainers in the past year were Wang Wei, who added $22.7 billion to his fortune as the founder and majority owner of China's largest package delivery company, and Amazon.com CEO Jeff Bezos, who boosted his fortune by $21.9 billion thanks to Amazon's strong performance.
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Note that Bloomberg does not report the net worth of its founder and owner Michael Bloomberg, who does not appear on this ranking, though other sources peg his fortune at roughly $45 billion.