(Source: National Indian Gaming Commission)įOR CANADA, please visit our First Nations casino section. The annual revenue from all Indian gaming exceeds $32 billion and represents 43% of all casino gaming revenue in the U.S. These gaming tribes operate in 29 of the 50 states. These are owned by 245 of the nation's 574 federally-recognized tribes. There are 524 American Indian gaming operations in the United States.