World's Billionaires: Elon Musk Tops the List — August 21, 2026

Elon Musk closed out August 21, 2026 atop the World's Billionaires list, an estimated $391.85B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $324.35B and $279.30B respectively. Combined, the 51 people we track here are worth $3.73T, down $1.88B from the prior session.

Bernard Arnault posted the day's biggest gain, adding $50.86M (0.04%) to reach $128.79B (#10). The move traces to LVMH (MC.PA), which fell 2.83% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Tadashi Yanai took the day's steepest loss, down $1.75B (2.34%) to $73.07B (#15). The move traces to Fast Retailing (Uniqlo) (9983.T), which fell 4.37% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

Among the 7 Indian billionaires we track, Mukesh Ambani stays on top at $80.87B.

Among the 11 women we track, Alice Walton stays on top at $101.92B. Françoise Bettencourt Meyers was the day's biggest move in that group, up $21.09M (0.03%) to $70.11B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $221.04B.