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Gambling & Society

Online gambling

Online gambling is the practice of wagering money or valuables on games of chance or skill over the internet, encompassing casino games, sports betting, poker, and lotteries. It emerged in the mid-1990s with the launch of the first licensed sites and has since grown into a global industry worth tens of billions of dollars annually1. The activity raises significant legal, ethical, and public-health concerns, including addiction, fraud, and underage access, and its regulation varies widely by jurisdiction2.

$97B
Global market size (2024)
Estimated gross gaming revenue for online gambling worldwide
1.6B
Active users (2023)
Approximate number of people who gambled online at least once
0.3–1.0%
Problem gambling prevalence
Share of online gamblers meeting criteria for gambling disorder
1

Origins and growth

The first online gambling operation, the Liechtenstein International Lottery, launched in 1995, followed by the first online casino, InterCasino, in 19961. Early sites operated in a legal gray zone, often based in small jurisdictions like Antigua and Barbuda, which issued the first interactive gambling licenses. The industry expanded rapidly with the spread of broadband and mobile devices, and by the 2010s, live-dealer games and in-play sports betting became mainstream. The COVID-19 pandemic accelerated growth as land-based venues closed, pushing many casual gamblers online2.

2

Regulatory landscape

Regulation of online gambling is fragmented. The United States banned most forms with the Unlawful Internet Gambling Enforcement Act of 2006, but individual states have since legalized and regulated online poker, casino games, and sports betting, with New Jersey, Pennsylvania, and Michigan leading3. The United Kingdom licenses operators through the UK Gambling Commission, which enforces strict player-protection rules. In contrast, many countries, including China and Japan, prohibit online gambling entirely, while others, like Malta and Gibraltar, act as licensing hubs for international operators. The European Union has struggled to harmonize rules, leaving a patchwork of national laws4.

3

Public health and addiction

Online gambling is associated with higher rates of problem gambling than land-based forms, partly due to 24/7 availability, anonymity, and the use of digital payment methods that obscure spending. Research shows that online gamblers are more likely to develop gambling disorder, and the ease of access can lead to rapid escalation. Many jurisdictions now require operators to offer self-exclusion tools, deposit limits, and reality checks, but enforcement varies. The World Health Organization recognizes gambling disorder as a mental health condition, and some countries have begun treating online gambling as a public-health crisis.

4

Lesser-known aspects

Beyond the mainstream, online gambling has spawned niche phenomena. Skin gambling, where virtual items from video games like Counter-Strike are wagered, operates in a regulatory gray area and has attracted minors. Esports betting, once a fringe activity, now rivals traditional sports betting in volume. The industry also pioneered the use of cryptocurrency, with sites like SatoshiDice offering provably fair games based on blockchain hashes. In 2011, the U.S. Department of Justice seized the domain of PokerStars, a landmark case that reshaped the market. Additionally, some jurisdictions, such as the Isle of Man, have introduced 'safe gambling' certifications that require operators to publish their player-protection policies.

Glossary

Skin gambling
Wagering virtual cosmetic items from video games, often outside official game ecosystems.
Provably fair
A cryptographic method used by some online casinos to allow players to verify the randomness of each bet.
Self-exclusion
A voluntary program that allows gamblers to ban themselves from a site or jurisdiction for a set period.

Online gambling is a rapidly evolving field; readers are advised to consult local laws and seek help if gambling becomes harmful.