Unlike Forbes, which made its calculations based partly on stock wealth on February 9 this year, Bloomberg updates its billionaires list every day.
Forbes calculated that Bezos's fortune, which is mostly held in Amazon shares, increased by 39.2bn dollars over the past year.
Gates placed second with a net worth of $90 billion.
Bezos, who also owns The Washington Post newspaper, is the first person to cross the $100 billion mark in assets, Forbes said.More news: Brilliant City masking the league's overall lack of quality
Arnault is the chairman and Chief Executive Officer of LVMH Moet Hennessy Louis Vuitton the world's largest luxury-goods company.
Seventeen Illinois residents were among the 2,208 billionaires on the list.
Floridas richest billionaire was still Thomas Peterffy at No. 47 ($20.3 billion).
Mining mogul Gina Rinehart remains Australia's richest citizen with her iron ore wealth increasing from $US17.2 billion ($21.9 billion) to $US17.4 billion ($22.2 billion).More news: S. Africa recalls meat products after listeria outbreak
Facebook's Mark Zuckerberg was fifth on the list.
President Donald Trump's net worth took another substantial hit over the last a year ago, dropping around $400 million since he took office, according to Forbes. In aggregate, they may represent less than 1% of total billionaires but their riches amount to 13% of the total fortune of all billionaires worldwide.
It's not the Chicago billionaire's first time leading the pack of Illinoisans on a Forbes ranking.
In this year's list, Forbes pinned down a record 2,208 billionaires from 72 countries and territories. The combined net worth of this elite group is a whopping US$ 9.1 trillion, up 18 per cent since a year ago. While their fortunes may only represent less than 1% of all billionaires, this staggering figure is makes up 13% of the combined riches of these affluent few.More news: John Kelly On Porter: 'I Have Nothing To Even Consider Resigning Over'
With a net worth of $112 billion, Bezos has also become the first person in the world to amass a fortune of over $100 billion. China, which is ruled by the Communist Party of China, has the second highest number of billionaires in the world (373) after the United States (585).