In 2025, the global sports betting landscape is undergoing significant transformation, with emerging markets like Brazil and India experiencing rapid growth due to regulatory reforms and increased mobile penetration. The United States continues to expand its market share, driven by state-level legalization and technological advancements. Europe maintains a strong presence, bolstered by established markets in the UK and Germany. This article ranks the hottest sports betting markets of 2025, analyzing factors such as market size, growth rate, and regulatory environment to provide a comprehensive overview of the industry’s dynamic global expansion.