Here are some numbers on the casualty rates in European countries and the United States. This lists the number of casualties per 100 000 inhabitants, so it does not take into account the number of miles driven:

1. China ~20
2. Greece 15.9
3. Poland 14.3
4. Belgium 13.0
5. United States ~13
6. Slovenia 12.9
7. Hungary 12.7
8. Czechia 12.6
9. Portugal 11.8
10. Slovakia 11.3
11. Luxemburg 11.1
12. Spain 10.3
13. Italy 9.7
14. Austria 9.3
15. France 8.8
16. Ireland 8.4
17. Finland 7.2
18. Germany 6.5
19. Iceland 6.5
20. Denmark 6.1
21. Great Britain 5.6
22. Switzerland 5.5
23. Norway 4.9
24. Sweden 4.9
25. Netherlands 4.6

Source: Grekland farligast för bilisten (in Swedish)