Key Online Gambling Statistics for 2025

Online gambling has long since evolved from a niche segment into a global industry with billion-dollar turnovers. While just ten years ago gambling was primarily associated with land-based casinos, by 2025 the majority of activity has already shifted online. 

In this article, we examine the key figures and trends shaping the market in 2025: its scale, regional breakdown, most popular sites, technological innovations, and social risks.

Global State of Gambling in 2025

In 2025, online gambling has cemented its status as a global phenomenon: nearly one in five adults worldwide — over 882 million people — has already tried playing online. According to forecasts, the global online gambling market in 2025 is valued at $117.5 billion, and could grow to $186.58 billion by 2029, demonstrating a steady annual growth rate of 12.3%. 

The primary growth driver is the rapid proliferation of smartphones: approximately 80% of players use mobile devices as their main channel for accessing online games.

European Market

Europe remains the leader in online gambling market share, accounting for 49.1%. The largest European market belongs to Italy, where total gambling revenue reaches $22.89 billion, of which $5.01 billion is generated by the online segment. In the United Kingdom, the picture is different: out of total revenue of $21.58 billion, $12.10 billion comes specifically from online gaming.

US Market

The United States is showing the most rapid growth: over five years, from 2018 to 2023, online gambling revenue surged from $2.5 billion to $20 billion, with projections pointing to $40 billion by 2029. 

As of 2025, total gross gaming revenue in the United States reached $5.86 billion, up 4.2% compared to February 2024. Sports betting volumes grew by 39.8%, while online casino revenues increased by 21.5% year-over-year.

Most Popular Online Gambling Sites in 2025

As of August 2025, the global gambling website rankings are led by Stake.com with 80.19 million visits. 

The most engaged users are found on Sportybet.com, where the average number of pages per visit is 9.15 and the bounce rate is 21.22%. Meanwhile, Betano.com has the highest bounce rate at 70.08%, with the majority of visitors leaving the site after viewing a single page.

Alongside the rapid growth of the online gaming market, the social issues associated with the negative consequences of gambling are also on the rise. According to statistics, approximately 450 million people experience various gambling-related problems, while 80 million individuals have clinically confirmed gambling disorder. 

The online gambling industry is demonstrating rapid growth and will continue its active expansion in the years ahead. The increasing number of users, the spread of mobile technology, and the development of innovative platforms are driving sustained market growth, while also creating new opportunities for operators and players alike.