For 2017 year 35-year-old athlete earned 27 million dollars. This amount includes prize money for winning the tournaments and income from participation in advertising campaigns, exhibition matches and other events.
Second place went to another tennis player is German Angelik Kerber (12.6 million), the third was the American antagonize Danica Patrick (12,2), fourth fighter of the mixed style from United States Ronda rousey (11). The five richest female athletes rounded out the elder sister of Serena Williams, Venus (10.5 million).
Russian tennis player Maria Sharapova for the first time since 2005, not included in the top ten richest athletes according to Forbes.
At the moment Serena Williams is expecting a child and does not participate in tournaments. In January 2018, she plans to return to the court and to protect the title of the winner of the Open championship of Australia.