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Forbes 400 Adds Record 10 Billionaires Under 40 Amid AI Wealth Surge

Seven newcomers built fortunes in AI, and the list now requires a record $4.4 billion to qualify, Forbes said.

  • On Tuesday, September 15, 2026, Forbes reported a record 10 billionaires under age 40 on its annual 400 list, up from four a year ago, driven by the artificial intelligence industry.
  • Seven newcomers traced their fortunes to artificial intelligence, led by OpenAI co-founder Greg Brockman at $25.5 billion, reflecting massive capital flowing into AI ventures this year.
  • Three carryovers from 2025 include Walmart heir Lukas Walton , Surge founder Edwin Chen , and Robinhood cofounder Vlad Tenev ; Anduril founder Palmer Luckey, 33, also joined with $5.9 billion.
  • Total wealth for the ten youngest members fell to $169 billion from $357 billion in 2025, largely because Meta's Mark Zuckerberg, now 42, aged out of the group.
  • The minimum net worth threshold to join the broader Forbes 400 rose to $4.4 billion from $3.8 billion, pushing a record 590 American billionaires off the list and reflecting record wealth concentration across America.
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The wealth gap between the "super-rich" and ordinary billionaires is widening. The top 20 individuals on Forbes' list account for 50 percent of the total wealth of those on the list. Thirty-four new billionaires joined the list, with fortunes exceeding $4.4 billion, but the top 10 spots were occupied by the usual set of individuals, the daily reports. Elon Musk's wealth is comparable to Switzerland's annual GDP. For the fifth consecutive year, E…

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Forbes releases list of top 400 wealthiest people in America: Who's the richest in each state?

According to Forbes, the net worth of the 400 wealthiest people in the U.S. is $8 trillion.

·Denver, United States
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KBZK broke the news on Tuesday, September 15, 2026.
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