With a market cap of $702.5 billion, Amazon has become the third mostvaluable company in the world, racing past Microsoft, which has a market cap of $699.2 billion.
With $521.5 billion market cap, Facebook is at the fifth spot.
Both Bloomberg and Forbes have put Bezos on top of their billionaire lists.
Bloomberg said Bezos' net worth reached $106 billion while Forbes put it at $105 billion, Xinhua news agency reported.
The previous record was held by Microsoft founder Bill Gates with $100 billion in 1999.
The majority of Bezos' net worth comes from the 78.9 million shares of Amazon stock he owns.