Her biggest deal is with Nike, which re-signed her in January to an eight-year contract worth up to $70, and she also receives royalties from her own tennis line and a line of bags and shoes through Nike subsidiary Cole Haan. In addition, she has contracts with Canon, Motorola, Tiffany, Land Rover and Colgate-Palmolive.
The second and third highest-paid athletes in the world are the Williams sisters, Serena and Venus, occupy the No. 2 and No. 3 slots respectively. According to the survey, Serena's earnings account for $20.2 million while Venus earned $15.4 million over the past year.