Unfortunately, I do not have access to real-time data. However, according to various sources, the following countries are often cited as having a significant number of online gamblers per capita:
1. Australia
2. Singapore
3. Ireland
4. Finland
5. Canada
6. Norway
7. Sweden
8. Denmark
9. United Kingdom
10. Netherlands
Please note that the rankings may vary and can change over time, as online gambling markets continue to evolve.
