Lead brief
A new GCI report finds unregulated online gambling generated $5.9 trillion in global wagers in 2025, surpassing all national GDPs except the US and China. The figure highlights the continued dominance and risks of grey and black market gambling operations worldwide.
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
- ▸Unregulated online gambling reached an estimated $5.9 trillion in global wagers in 2025, according to Gaming Compliance International (GCI).
- ▸The figure dwarfs the GDP of every country except the United States and China.
- ▸Significant contributions came from unlicensed prediction markets and sports betting platforms.
- ▸The size of the unregulated sector raises fresh concerns for regulators, licensed operators, and responsible gambling advocates.
What Happened
A groundbreaking new report from Gaming Compliance International (GCI) has revealed that unregulated online gambling generated a staggering $5.9 trillion in wagers globally during 2025. This estimate covers all forms of online gambling that fall outside licensed regulatory frameworks, ranging from casino games to sports betting and prediction markets operating in legal grey or black markets.
The latest GCI market analysis underscores just how massive the unregulated sector remains, despite a decade of regulatory expansion across Europe, the Americas, and parts of Asia-Pacific. The $5.9 trillion sum is a reminder of both the scale and resilience of offshore gambling operations that bypass local licensing, anti-money laundering (AML) controls, and consumer protection requirements.
$5.9 trillion — more than the annual GDP of any country except the United States and China, highlighting the sheer global magnitude of illicit online gambling activity.
Why It Matters
The sheer size of the unregulated online gambling market holds profound implications for policymakers, the industry’s legitimate actors, and those tasked with safeguarding consumers. Legislators and regulators worldwide have invested significant resources over the past decade in attempts to migrate gambling activity to licensed, controlled channels. Yet, GCI’s findings indicate that unlicensed gambling still captures a dominant share of the global wagering market.
The report’s data point to two fundamental challenges. First, many operators prefer to target players in markets with limited or ambiguous enforcement, leveraging minimal overhead and higher margins without the cost burdens of compliance, licensing fees, or responsible gambling mandates. Second, as long as demand persists for products unavailable or restricted locally — for example, certain prediction markets or high-payout casino games — players will continue to seek out offshore alternatives, often exposing themselves to higher risks of fraud or lack of recourse.
For governments, these lost wagers translate into billions of dollars in missed tax revenues and compromise objectives around crime prevention and player protection. The inability to enforce consumer safeguards in the black and grey market undermines efforts to combat money laundering, identity theft and problem gambling.
Industry Context
The GCI report’s $5.9 trillion estimate arrives at a time when many jurisdictions, including major European markets and large US states, are tightening controls on both advertising and cross-border gambling. The data suggest that even with recent regulatory gains, the industry’s unregulated segment is not shrinking at the pace lawmakers might hope.
Notably, prediction markets have surfaced as a major contributor to the unregulated total. These platforms, which allow users to place wagers on real-world outcomes ranging from elections to entertainment events, often operate in legal limbo, evading oversight through innovative structures and opaque ownership. Meanwhile, rapid digitalization, increased access to cryptocurrencies, and sophisticated anonymization methodologies have lowered the barriers to entry for both consumers and operators in these markets.
Licensed firms face a dual threat: continued competition from operators unconstrained by compliance costs and the reputational damage stemming from unchecked consumer harm and illicit activity in the wider sector.
Regulatory agencies have responded in various ways, ramping up enforcement efforts against high-profile offshore operators and strengthening payment-blocking measures. However, these interventions have met with mixed results, as many unregulated platforms adapt quickly or target regions with weak or inconsistent regulatory frameworks.
What Happens Next
The enormity of the unregulated online gambling market highlighted by GCI is likely to spur renewed calls for international cooperation on enforcement, data sharing, and technological innovation in regulatory monitoring. Several major jurisdictions are currently reviewing strategies for payment controls, domain blocking, and player education in a bid to reclaim market share for licensed operators and enhance player protection.
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.