The CPI ranks 180 countries and territories by their perceived levels of public sector corruption on a scale of zero (highly corrupt) to 100 (very clean).
1 Denmark (88)
1 Finland (88)
1 New Zealand (88)
4 Norway (85)
4 Singapore (85)
4 Sweden (85)
7 Switzerland (84)
8 Netherlands (82)
9 Luxemburg (81)
10 Germany (80)
For the full list and more information, see here.