sports bettors also varied by age and ethnicity. Two additional surveys that year revealed that the distribution of U.S. was heavily skewed in favor of men regardless of the betting company. According to a 2021 survey, the gender distribution of sports betting and fantasy app users in the U.S. Meanwhile, when looking at sports bettor demographics, it was found that men were more likely to place wagers on sports. Despite the National Football League's (NFL) popularity in the U.S., NFL fans were the least interested in sports betting across six sports leagues, with only 48 percent of fans expressing an interest in betting. The National Hockey League's (NHL) fan base was the most interested in sports betting with 62 percent of fans stating that this was the case. The share of sports fans interested in sports betting in the United States varied by professional sport in 2021.

Which groups engage in sports betting in the U.S.? This figure represented a considerable increase over the previous year’s total of 262.8 million. That same year, the win amount of sportsbooks in Nevada reached 445.13 million U.S. states for sports bettors, reported a total of 126 sportsbooks in 2021. had operational legalized sports betting. As of January 2023, 30 states including Washington D.C. Even when the practice is legal, regulations regarding sports betting vary on a state-by-state basis. In the U.S., sports betting is legal at the federal level, however, it is still not legal in every state. In 2021, the total sports betting revenue in the United States amounted to 4.33 billion U.S. Sportsbooks operate both as land-based establishments, for example, at casinos or betting shops, and online.

Bets are typically made through sportsbooks, also known as bookmakers, or bookies.

Sports betting is a type of gambling that refers to the act of placing a wager on the outcome of a sporting event.

Sports betting age by state