More than half of all American adults live in a market where sports betting is legal.
Maryland also added mobile sports betting in the past year, but it had in-person wagering for last year’s Super Bowl.
There are three additional states offering legal sports betting this year - Kansas, Ohio and Massachusetts - compared with a year earlier, for a total of 33 states plus Washington, D.C. The total amount expected to be wagered this year is more than double the amount from last year as the legal U.S. The estimate includes legal bets, and those placed with illegal bookies or casually among friends or relatives. READ MORE: Kelce brothers prepare for Super Bowl showdown The American Gaming Association forecasts that 1 in 5 American adults will place a bet on Sunday’s NFL championship game between the Philadelphia Eagles and the Kansas City Chiefs. (AP) - A record 50.4 million American adults plan to bet on this year’s Super Bowl, wagering a total of $16 billion, the gambling industry’s national trade group predicted Tuesday.