Overall rankings

Rankings based on maths and science, at age 15

1. 1. Singapore
2. 2. Hong Kong
3. 3. South Korea
4. 4. Japan
5. 4. Taiwan
6. 6. Finland
7. 7. Estonia
8. 8. Switzerland
9. 9. Netherlands
10. 10. Canada
11. 11. Poland
12. 12. Vietnam