Sports Betting and Household Financial Risk: A Public-Health Brief

The 2018 Supreme Court decision in Murphy v. NCAA invalidated the Professional and Amateur Sports Protection Act, ending the federal prohibition on state-authorized sports betting. In the seven years since, 38 states plus the District of Columbia have authorized commercial sports betting, with a substantial majority including online wagering. The market has grown from approximately $7 billion in 2018 (legal handle, primarily Nevada) to over $150 billion in 2024. The pace and scale of expansion is, by any measure, the most rapid behavioral-product rollout in U.S. consumer history.

This piece is a public-health framing of what the empirical evidence now shows about household financial risk in sports-betting-adopting states.

What the evidence shows

The most-cited recent empirical work is Baker, Balthrop, Johnson, Kotter, and Pisciotta’s 2024 paper “The Financial Consequences of Legalized Sports Gambling” published in NBER Working Paper 32119, which uses individual-level credit-bureau data spanning the pre- and post-Murphy period.

A second strand of evidence concerns problem-gambling helpline volume. State problem-gambling councils — Massachusetts, New Jersey, Virginia, and Pennsylvania most prominently — report sustained year-over-year increases in helpline contacts attributable to sports betting in the years following legalization. The National Council on Problem Gambling tracks aggregate volume nationally and reported a substantial increase in 1-800-GAMBLER call volume in the post-Murphy period.

What this means at the household level

The mechanism is mechanically straightforward: regulated sports betting is a transactional product with a built-in mathematical edge to the operator. Across millions of users and billions of transactions, the aggregate flow is from household balance sheets to operator revenue, plus state tax receipts. The Baker et al. findings suggest that this flow does not come exclusively from “discretionary entertainment spending” but materially from savings and toward debt accumulation in adopting populations.

For our broader public-health framing of behavioral risk on regulated digital entertainment platforms, see Behavioral Risk in Digital Entertainment Platforms.

DSM-5 framing matters here

Not every household experiencing financial pressure from sports betting meets DSM-5-TR criteria for Gambling Disorder. The diagnostic threshold is four or more of nine criteria within a 12-month period. But the population-level financial effect documented in the empirical literature is broader than the diagnostic prevalence — it captures sub-clinical patterns that are nonetheless consequential for household outcomes.

For families assessing whether a household member’s sports-betting pattern warrants concern, the DSM-5-TR criteria are the right starting framework. See our DSM-5-aligned family guide for criteria walk-through.

The state regulatory landscape

State-level responses to the public-health implications of legal sports betting vary substantially. The standard regulatory toolkit:

• Self-exclusion programs. Statewide registries that bar an individual from all licensed operators within the state upon their own request.
• Deposit and loss limits. Some states require operators to offer customer-imposed limits; fewer require operators to enforce hard caps.
• Advertising restrictions. A small number of states (notably Massachusetts and Virginia) impose advertising restrictions during sporting events featuring teams associated with the state.
• Earmarked funding. Most adopting states allocate a percentage of sports-betting tax revenue to problem-gambling services. The percentage varies widely (from 0% in some states to 1.5%+ in others).
• Helpline mandates. Most states require operators to display the National Problem Gambling Helpline number prominently in advertising and on-platform.

For state-by-state behavioral-health infrastructure analysis, see Behavioral Risk in Digital Entertainment Platforms.

What we do not cover

Our editorial scope deliberately excludes:

• Operator comparisons. We do not list, link to, evaluate, or recommend specific sports-betting platforms.
• Strategy or “responsible gambling” optimization. Editorial coverage focuses on public-health framing, not consumer-engagement strategies.
• Industry advertising. No advertising relationships with operators, affiliates, or media partners with financial interest in platform expansion.

This is editorial public-health framing, not platform-industry coverage. For our complete editorial principles, see our Methodology.