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Tennis · 2021

Serena Williams

WTA prize money plus a career-high endorsement year, per Forbes' highest-paid female athletes ranking

United States · Serena's supremacy

Nominal vs present value

Peak-year total
$45.9m total (Forbes 2021: $0.9m prize money + $45m endorsements)
Present value
$53.1m (2024) · $53.1m

Local display: $53.1m · Rebased to 2024 USD via US CPI-U

How the total breaks down

Tour prize money
2%
Endorsements
98%

Tour prize money. A limited six-tournament season near the end of her competitive career.

Endorsements. Nike and a growing slate of beauty, venture-capital and lifestyle partnerships built over two decades.

Impact 95

  • Posted the second-highest single-year total ever recorded for a female athlete
  • Kept commanding elite sponsor income in a season with almost no prize money to speak of
  • Held or contested the highest-paid female athlete title across roughly fifteen years

Serena's 2021 total proved that two decades of dominance had built a commercial profile almost entirely independent of her tournament schedule that year. Her career-long negotiation for pay and respect equal to the men's game — on prize money, on scheduling, on billing — reshaped what women's tennis sponsors were willing to pay any female athlete, a legacy visible in the endorsement numbers every WTA star below her on this list now commands.

Serena played only six WTA tournaments in 2021 and fell to No. 41 in the rankings, yet her endorsement income that year — an estimated $45 million — was still the largest of her career, trailing only Naomi Osaka's record-setting total among all female athletes ever. It capped a run in which she held or contested the title of the world's highest-paid female athlete for the better part of fifteen years. In present-value terms it stands as the clearest evidence that Serena's commercial value had grown to rival, and in some years exceed, athletes with far heavier tournament schedules.

Pay eras →