As an AI language model, my knowledge is based on information available up until September 2021. While I can provide you with the top 10 countries that have experienced significant growth in the online gambling sector in recent years, I cannot provide specific information on growth in the current year. Here are the top 10 countries that have witnessed notable growth in the online gambling sector:
1. United States – Expanding legalization and regulation of online gambling in various states.
2. United Kingdom – Established online gambling market with continued growth.
3. Australia – Growing popularity of online betting and casino games.
4. Canada – Adoption of online gambling and favorable regulations in some provinces.
5. Germany – Recent regulatory changes led to increased growth and market size.
6. France – Well-established online gambling market with consistent growth.
7. Italy – Expanding online gambling market, especially in sports betting.
8. Spain – Increasing demand for online gambling and favorable regulations.
9. Sweden – Liberalized online gambling market with significant growth opportunities.
10. Brazil – Emerging market with growing interest in online gambling and potential future regulation.
Please note that the growth rates and rankings may vary based on different sources and can change over time. It is advisable to refer to the latest reports and market analysis for the most up-to-date information.