MarketsMarketWatchMay 15, 2026· 1 min read
US Sports Betting Hits $668 Billion Since 2018 Legalization, $12 Billion in Tax Revenue

Legal sports betting in the U.S. has seen over $668 billion wagered since the Supreme Court's 2018 ruling, generating more than $12 billion in state tax revenue. This expansion highlights significant market growth and a new revenue stream for states.
Since the U.S. Supreme Court's 2018 decision to overturn the federal ban on sports wagering, the legal sports betting market has seen monumental growth, with Americans collectively placing over $668 billion in bets. This expansion has been a significant boon for state coffers, generating more than $12 billion in tax revenue across the jurisdictions where it has been legalized.
The 2018 ruling in *Murphy v. National Collegiate Athletic Association* paved the way for individual states to regulate and authorize sports betting within their borders. Following this landmark decision, a majority of states have moved to establish legal frameworks for both retail and online sportsbooks, recognizing the potential for new revenue streams and the opportunity to bring a previously black-market activity into a regulated environment.
The sheer volume of wagers, exceeding two-thirds of a trillion dollars, underscores the substantial consumer demand for sports betting and its rapid integration into the mainstream entertainment and leisure economy. For state governments, the $12 billion in tax revenue represents a meaningful, albeit often supplemental, source of funding for various public services. These funds are typically allocated to areas such as education, infrastructure, problem gambling initiatives, and general state budgets.
The industry's continued growth trajectory suggests further increases in both handle and tax contributions are likely as more states consider legalization and existing markets mature. The economic implications extend beyond direct tax revenue, encompassing job creation within the gaming sector, advertising spend, and technological development for betting platforms.
Analyst's Take
While the headline focuses on the direct tax revenue, the significant handle of over half a trillion dollars suggests substantial wealth transfer from consumers, potentially impacting discretionary spending in other retail or entertainment sectors. Moreover, the accelerating adoption rates, particularly online, signal a potential future inflection point where states may face pressure to revisit tax structures to remain competitive, or consolidate efforts to combat offshore betting, which remains an unquantified drain on potential domestic revenue.