Several of the football codes are the most popular team sports in the world.[1] Globally, association football is played by over 250 million players in over 200 nations,[134] and has the highest television audience in sport,[135] making it the most popular in the world.[136] American football, with 1.1 million high school football players and nearly 70,000 college football players, is the most popular sport in the United States,[137][138] with the annual Super Bowl game accounting for nine of the top ten of the most watched broadcasts in U.S. television history.[139] The NFL has the highest average attendance (67,591) of any professional sports league in the world and has the highest revenue[140] out of any single professional sports league.[141] Thus, the best association football and American football players are among the highest paid athletes in the world.[142][143][144]