Online sports wagering has expanded rapidly and the growth is showing up in household finances. A New York Federal Reserve analysis found legal sports betting is associated with worsening credit outcomes in the more than 30 states that have legalized it, and even in neighboring counties where it remains illegal. Overall credit delinquency rates — largely driven by missed credit card and auto loan payments — rose roughly 0.3% in states after legalization, despite legal sports bettors representing only about 3% of the population. Among people who began betting only after legalization, delinquencies increased by more than 10%. (The Fed defines credit delinquency here as payments at least 90 days past due.)
The industry’s expansion accelerated after a 2018 Supreme Court decision cleared the way for states to legalize sports betting. Mobile apps, slick advertising and promotional incentives have made wagering easier and more visible. For the NCAA tournament alone, the American Gaming Association estimated Americans would legally wager about $3.3 billion this year — more than a 50% jump from three years earlier. The Federal Reserve report also found that since the pandemic quarterly spending by bettors more than doubled, from under $500 in December 2019 to over $1,000 by June 2021.
Independent academic work has produced similar findings. A 2024 study co-authored by Brett Hollenbeck at UCLA Anderson observed a small average credit score decline (about 0.8 points) in states that legalized sports betting and documented broader financial harms tied to online access: a roughly 10% rise in the likelihood of bankruptcy and an 8% increase in amounts sent to collections. Those adverse outcomes tended to appear about two years after legalization. The study also noted higher bankruptcy rates, more use of debt-consolidation loans, and increased auto-loan delinquencies, concluding that easier access to sports gambling is linked to greater consumer debt and weaker financial health for some groups.
The gaming industry acknowledges gambling can be addictive and has promoted responsible-gambling messages. The American Gaming Association has launched awareness initiatives and says both advertising spending and betting volume have eased in recent years. The industry opposes federal consumer-protection rules, arguing regulation should remain at the state level.
Critics raise concerns about conflicting incentives: a Wall Street Journal investigation found one online operator derived 70% of its profits from less than 1% of its users, highlighting how a small group of heavy bettors can generate disproportionate revenue for companies — and for state coffers that tax gambling activity.
Addiction specialists say the financial patterns are predictable given the reach and design of online platforms. Christopher Welsh, an addiction psychiatrist at the University of Maryland School of Medicine, notes most people won’t develop a gambling disorder, but those predisposed can escalate quickly. Young adults appear especially vulnerable; flashy celebrity ads and promises of easy wins draw in people under 40, and the Fed report found the largest delinquency increases in that age group.
Clinicians describe families discovering substantial debts incurred by teenagers and college students who used apps to place bets. When funds run out, gamblers often seek money from other sources — credit cards, loans or family members — which accelerates missed payments and debt accumulation.
Taken together, the evidence indicates that while legalized sports betting has broadened consumer choice and generated tax and industry revenue, its rapid online expansion has coincided with measurable declines in financial health for some groups: higher delinquencies, more bankruptcies and greater reliance on debt-related remedies. Policymakers and public-health advocates face the challenge of balancing consumer freedom and economic benefits with protections for the most vulnerable bettors.