Illegal Casinos, Sports Books Reap Most Online US Gaming Revenue

April 10, 2025, 11:00 AM UTC

Illegal sports books and casinos took 74% of online gambling revenues in the US last year, outperforming licensed rivals through aggressive promotions and products, according to research from Yield Sec.

Online gross gaming revenue — customer bets minus winnings — in the US was $90.1 billion in 2024, $67.1 billion of which went to unlicensed players, according to the research, which was commissioned by the Campaign for Fairer Gambling. That’s an increase of 64% from the previous year and more than double the $23 billion generated by operators in the regulated sector.

Yield Sec estimates there are about 10 unlicensed ...

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