In the first year after sports betting was legalized in Massachusetts, the state made inroads but didn’t substantially redirect much of the revenue from illegal sports wagering into its coffers, according to new research from the University of Massachusetts.

According to a survey conducted by the UMass School of Public Health and Health Sciences in both 2022 and 2023, there was no change in the proportion of monthly gamblers who engaged in illegal sports betting between the two years. But there was an increase in the proportion of monthly gamblers who engaged in online legal sports betting between 2022 and 2023, even as illegal sports betting stayed stagnant.

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