The world’s top iGaming markets ranked by GGR size in 2025

(AsiaGameHub) –   The global iGaming industry maintains its robust growth trajectory, with the top 25 markets set to generate between $92bn and $130bn in gross gaming revenue (GGR) in 2025. This range reflects variations in regulatory transparency, reporting standards, and the inclusion of offshore or grey-market activities across different jurisdictions.

While Europe remains the most established region for iGaming, North America—led by the United States—and fast-developing markets in Latin America, Africa, and Asia are reshaping the global competitive landscape.

Global Leaders: The Largest iGaming Markets

At the top of the rankings, a small cluster of markets dominates global revenue generation. The United States leads with over $20bn, driven by expanding state-level legalization and strong performance in both online casinos and sports betting.

The United Kingdom follows with more than $12bn, retaining its position as one of the world’s most mature and well-regulated iGaming ecosystems.

In Asia, both Japan and China (offshore) exceed $10bn, highlighting the massive demand in the region—even where domestic regulation remains restrictive.

Italy rounds out the top five with over $5bn, supported by a long-standing regulated market.

Developed Markets

These are the most advanced and enduring gambling markets, featuring stable regulatory environments and predictable revenue streams. Germany ($4+ billion) and France ($3+ billion) are two of Europe’s largest economies, but government-imposed limits hinder their potential for further growth. Spain, Canada, and Australia have also seen sustained growth, each generating $2+ billion through their established customer bases and widespread acceptance of digital transactions.

Growing and Emerging Markets

Recent years have seen a dramatic rise in the number of emerging markets, many of which are now benefiting from new regulations and the ubiquitous use of mobile devices. Brazil has quickly emerged as the largest emerging gambling market, with revenues exceeding $2 billion and continuing to grow as it transitions to a fully regulated casino framework. The Netherlands and Sweden each have reached the $1.5 billion range, clearly demonstrating how rapidly a casino market can be established using modern regulatory models. Switzerland and Denmark also each fall into the $1 billion+ range and are identified as emerging casino markets.

Growing Markets

Numerous regions are currently entering the gambling landscape with projected revenues over $1 billion, offering opportunities for long-term growth. Romania and Belgium (each $1 billion+) have continued to drive their success through the growth of the gaming industry in Eastern and Western Europe, respectively. Beyond Europe, developing countries like South Africa, the Philippines, and Mexico also boast annual gaming revenues over $1 billion, thanks to accelerated internet access growth and ongoing interest in online gaming.

Smaller but Expanding Markets

The final group includes markets that currently generate less than $1bn but still play a key role in the global iGaming ecosystem.

Countries such as Greece, Portugal, and Finland continue to develop their regulatory frameworks, while Norway (offshore) and Ireland show strong demand despite structural limitations.

Source: The iGaming Europe

GGR data is compiled primarily from official national regulators and government sources (where available), complemented by insights from industry organizations like the AGA and EGBA, as well as market intelligence firms including H2 Gambling Capital and Regulus Partners. Currency conversions are based on approximate 2024 average exchange rates. All figures refer to online-only GGR unless stated otherwise.