Statistica Research Department. Statista whopping 73.1 Billion dollars US more than $75bn Gambling Industry in the U.S. the 24% proffered by traditional casinos. $137.5 billion to the U.S. economy annually Statistics and facts about the Gambling Industry One report from Statista Gambling Industry in the U.S. the $137.5 billion share of the gambling economy is estimated at around €321 billion $137.5 billion Statista Statista gambling market is over $37bn the $137.5 billion share of the gambling economy $137.5 billion gambling industry roughly 450 billion dollars