The Youngest Billionaires (Under 45): Mark Zuckerberg Tops the List — July 18, 2026

Published · By RealTimeBillionaire Data Desk

Mark Zuckerberg led The Youngest Billionaires (Under 45) on July 18, 2026 with an estimated net worth of $256.10B. Daniel Ek gained the most, up $26.78M (0.37%). Mark Zuckerberg fell the most, down $6.49B (2.47%).

Top 8

  1. 1Mark Zuckerberg$256.10B
  2. 2Brian Chesky$14.14B
  3. 3Pavel Durov$13.00B
  4. 4Daniel Ek$7.22B
  5. 5Brian Armstrong$4.69B
  6. 6Whitney Wolfe Herd$943.80M
  7. 7Bobby Murphy$690.26M
  8. 8Evan Spiegel$681.20M

Biggest Gainers

Biggest Losers

FAQ

Who is the richest billionaire under 45 on July 18, 2026?
Mark Zuckerberg, with an estimated net worth of $256.10B.
Who gained the most net worth on July 18, 2026?
Daniel Ek added an estimated $26.78M (0.37%), bringing their net worth to $7.22B.
Who lost the most net worth on July 18, 2026?
Mark Zuckerberg fell an estimated $6.49B (2.47%), bringing their net worth to $256.10B.
How many billionaires are on The Youngest Billionaires (Under 45) list?
8, with a combined estimated net worth of $297.47B as of July 18, 2026.
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Figures are directional estimates from public stock holdings, not audited valuations, and this site is not affiliated with Forbes.