Bezos has earned $23 billion by 2024, while Musk has lost $31 billion, according to the Bloomberg Billionaires Index.
Jeff Bezos dethroned Elon Musk to regain his title as the world's richest man.
The Amazon founder's net worth currently stands at $200 billion, surpassing the Tesla boss's $198 billion, the Bloomberg Billionaires Index showed on Tuesday.
Bezos has earned $23 billion so far in 2024, while Musk has lost about $31 billion, according to the index.
The billionaires' wealth gains and losses closely followed the stock market fortunes of Amazon and Tesla, who count their founders as their largest shareholders.
Amazon's share price has risen more than 18 percent this year, while Tesla's has fallen 24 percent.
Despite selling $8.5 billion worth of Amazon shares earlier this month, Bezos remains the e-commerce giant's largest shareholder with a 9.56 percent stake.
Musk has an ownership stake in Tesla of around 20 percent.
In January, a US judge voided a Tesla pay package for Musk worth up to $55.8 billion after finding that the process for approving his compensation was deeply flawed.
Musk, who also runs Dollars.
Bezos, Musk and Arnault have competed in recent years for the top spot in the ranking, which is based on stock market fluctuations and other economic data.
