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The richest of all is Elon Musk, worth an estimated $342 billion. Despite spending a lot more of his (already divided) time heading DOGE, Trump's cost-cutting operation, Musk has added $147 billion to his fortune over the past year, thanks to a blockbuster year for his rocket company SpaceX and his AI firm xAI (which he merged with his social media giant X last week). Even Tesla, despite recent protests and a stock market selloff, is trading higher than a year ago. That's allowed Musk to reclaim the title of world's richest person from Arnault, and has given him a $126 billion lead over the next richest person: Meta's Mark Zuckerberg (estimated net worth: $216 billion), who ranks No. 2 for the first time. Amazon's Jeff Bezos ($215 billion) ranks No. 3 and Oracle's Larry Ellison ($192 billion) ranks fourth. Arnault ($178 billion), meanwhile, slides down to fifth, his lowest rank since 2017, amid a slump in shares of his luxury conglomerate LVMH. Forbes used stock prices and exchange rates from March 7, 2025 for this year's ranking.