Lead brief
A prospective ban on regulated online casinos in Brazil may push the illegal gambling market’s share from 41% to a staggering 82%, according to a new ANJL study. The warning arrives as the government weighs further restrictions amid ongoing regulatory debate.
Coverage frame
This piece sits inside the wider 31Casino news desk, where single developments are read against regulation, market structure, and reader relevance.
Primary source base
- ▸The National Association of Games and Lotteries (ANJL) projects illegal online gambling market share in Brazil could rise to 82% if regulated online casinos are banned.
- ▸Currently, ANJL estimates the illegal market controls around 41% of online gambling activity.
- ▸Thousands of unauthorized betting sites remain accessible to Brazilian players, highlighting the difficulty of enforcement.
- ▸The ANJL warns a ban would undermine consumer protections and bolster illicit operators.
What Happened
Brazil’s government is weighing a potential ban on online casino games offered by operators holding legal betting licenses, a move that could drastically reshape the nation's fast-growing digital gambling sector. According to research conducted by the National Association of Games and Lotteries (ANJL), curbing regulated online casino activity risks driving the illegal market’s share from the present 41% to as high as 82%.
The ANJL study, which included a monitoring period starting September 11, identified thousands of unauthorized gambling websites being accessed from within Brazil. Despite ongoing regulatory efforts, these offshore and unlicensed platforms remain widely available to Brazilian consumers.
Why It Matters
A ban targeting the regulated online casino sector is likely to have profound and counterproductive effects. Rather than suppressing demand, experts and industry advocates suggest such restrictions would simply redirect Brazilian players to offshore, unregulated sites. These sites typically operate outside the reach of Brazilian jurisdiction, depriving players of crucial safeguards and siphoning tax revenue away from the state.
82% illegal market share — ANJL warns that regulatory action could more than double the size of Brazil's unauthorized online gambling sector.
Critically, a surge in illegal activity would expose more Brazilian consumers to risks including lack of responsible gambling tools, non-payment of winnings, and limited recourse in cases of dispute. It would also undermine recent progress toward a regulated, tax-paying gaming industry in Brazil, with legal operators set to face significant operational uncertainty.
From a public policy perspective, expanding the illegal market stands at odds with government aims to ensure public order, protect players, and reliably capture gaming-related revenues. Brazil's betting and gaming sector has contributed significantly to tax income in other regulated markets, and policymakers have closely studied these models over the past several years. Measures that steer activity into the shadows would likely work against these objectives.
Industry Context
The warning from ANJL comes as Brazil experiences an unprecedented boom in online gambling participation. Following the long-anticipated regulatory framework that legalized sports betting in 2023, the sector has seen hundreds of companies vie for licences and market share. However, online casino gaming—including slots, table games, and live dealer products—has remained legally contentious, with conservative legislators pushing for tight restrictions.
Brazil is not alone in grappling with the dilemma of balancing market liberalization with adequate controls. Numerous jurisdictions worldwide, including Portugal and the Netherlands, have seen similar debates about the impact of channeling, the process by which legal markets "capture" players away from illegal offerings. Evidence from these countries consistently demonstrates that overly restrictive or piecemeal regulation tends to fuel, not suppress, black-market alternatives.
The Brazilian online gambling market, often touted as potentially the largest in Latin America, remains in flux as regulatory details are finalized. While sports betting and fixed-odds wagering continue to expand under the emerging legal regime, the status of online casinos is now acutely uncertain.
Regulatory Background
Brazil's online gaming policy has evolved rapidly in recent years. In December 2018, Law No. 13,756/2018 was enacted, authorizing fixed-odds sports betting but leaving broader online casino games outside the regulatory perimeter. Further enabling regulations only materialized in 2023 after significant political debate.
Regulators face the ongoing challenge of policing a vast and borderless digital gambling environment. Technical blocking of illegal sites remains limited in its effectiveness, and payment restrictions can be circumvented by sophisticated operators. The proliferation of illicit options has made clear that enforcement alone is unlikely to yield the desired public policy outcomes.
In this context, ANJL’s findings provide policymakers with a data-driven warning about the latent risk of boosting criminal or gray-market operators if legal alternatives are shut down. International best practices increasingly favor a regulated, taxed, and supervised approach as the most effective strategy for market control and consumer protection.
What Happens Next
As the Brazilian government deliberates the specifics of its online gambling regulatory regime, pressure is mounting to ensure policy decisions do not inadvertently fuel unregulated activity. Lawmakers are expected to engage in further consultations with industry bodies, player protections advocates, and law enforcement before finalizing the legal treatment of online casinos.
Sources
This article is for informational purposes only. 31Casino does not provide gambling services or recommendations. If you're concerned about your gambling, visit our Responsible Gambling page for support resources.

