The Youngest Billionaires (Under 45): Mark Zuckerberg Tops the List — July 15, 2026

Published · By RealTimeBillionaire Data Desk

Mark Zuckerberg led The Youngest Billionaires (Under 45) on July 15, 2026 with an estimated net worth of $260.72B. Mark Zuckerberg gained the most, up $861.00M (0.33%). Whitney Wolfe Herd fell the most, down $1.73M (0.18%).

Top 8

  1. 1Mark Zuckerberg$260.72B
  2. 2Brian Chesky$14.37B
  3. 3Pavel Durov$13.00B
  4. 4Daniel Ek$7.30B
  5. 5Brian Armstrong$4.84B
  6. 6Whitney Wolfe Herd$944.93M
  7. 7Bobby Murphy$702.45M
  8. 8Evan Spiegel$692.81M

Biggest Gainers

Biggest Losers

FAQ

Who is the richest billionaire under 45 on July 15, 2026?
Mark Zuckerberg, with an estimated net worth of $260.72B.
Who gained the most net worth on July 15, 2026?
Mark Zuckerberg added an estimated $861.00M (0.33%), bringing their net worth to $260.72B.
Who lost the most net worth on July 15, 2026?
Whitney Wolfe Herd fell an estimated $1.73M (0.18%), bringing their net worth to $944.93M.
How many billionaires are on The Youngest Billionaires (Under 45) list?
8, with a combined estimated net worth of $302.56B as of July 15, 2026.
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Figures are directional estimates from public stock holdings, not audited valuations, and this site is not affiliated with Forbes.