The Bloomberg Billionaires Index, launched in March 2012, is a daily ranking of the world's 500 richest people based on their net worth.

[8] At its launch in 2012, Mexican telecommunications tycoon Carlos Slim was in the top spot, with an estimated $65.8 billion net worth.

Amazon CEO Jeff Bezos and Spanish fashion retailer Amancio Ortega both saw a large increase in their respective net worths during 2016 and 2017 and challenged Gates for the number one spot.

"[11] Some of the billionaires the index has uncovered includes JPMorgan Chase chairman Jamie Dimon,[12] In-N-Out Burger president Lynsi Torres,[13] Ferrari Motors heir Piero Ferrari[14] and the chairman of BIEL Crystal Manufactory Yeung Kin-Man.

[15] While reporting on hidden billionaires, the index provides coverage of and attempts to put in perspective the wealth of the world's richest people, such as the former Queen Elizabeth II[16] and President of the United States Donald Trump.