Most gambling in the United States is regulated by the Illegal Gambling Business Act of 1970. Whether you’re a casual gambler or looking to go pro, everything you need to know about the state of legal gambling in the US can be found right here in this guide. With that kind of money, high gambling taxes can generate substantial income for the state. Gambling laws in the US are changing quickly as more and more states are trying to capitalize on taxes from gambling revenue, which exceeded $50 billion in 2021.