Transparency International (TI)

Transparency International (TI) is the global civil society organisation leading the fight against corruption. Through more than 90 chapters worldwide and an international secretariat in Berlin, TI raises awareness of the damaging effects of corruption and works with partners in government, business and civil society
to develop and implement effective measures to tackle it.

http://www.transparency.org/

The 2010 Corruption Perceptions Index (CPI) shows that nearly three quarters of the 178 countries in the index score below five, on a scale from 10 (very clean) to 0 (highly corrupt).

Very Clean Countries :

1 Denmark              9.3
1 New Zealand       9.3
1 Singapore            9.3
4 Finland                9.2
4 Sweden               9.2
6 Canada               8.9
7 Netherlands        8.8
8  Australia            8.7
8 Switzerland         8.7
10 Norway            8.6

Highly Corrupt Countries :

178 Somalia               1.1
176 Myanmar             1.4
176 Afghanistan          1.4
175 Iraq                     1.5
172 Uzbekistan           1.6
172 Turkmenistan        1.6
172 Sudan                   1.6
171 Chad                    1.7
170 Burundi                1.8
168 Equatorial Guinea 1.9
168 Angola                 1.9