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Least Corrupt Nations

According to the annual survey by the Berlin-based organization Transparency International, Denmark, Finland, and Sweden are perceived to be the world's least corrupt countries, and Somalia, North Korea, and Afghanistan are perceived to be the most corrupt. For a list of the most corrupt nations, see the Most Corrupt Nations. The index defines corruption as the abuse of public office for private gain and measures the degree to which corruption is perceived to exist among a country's public officials and politicians. It is a composite index, drawing on 13 different expert and business surveys. The scores range from 100 (squeaky clean) to zero (highly corrupt). A score of 50 is the number Transparency International considers the borderline figure distinguishing countries that do and do not have a serious corruption problem. In the 2017 survey, the vast majority scored below 50.

RankCountryCPI Score
1New Zealand 89
2Denmark88
3Finland85
3Norway85
3Switzerland85
6Singapore84
6Sweden84
8Canada82
8Luxembourg82
8Netherlands82
8United Kingdom82
12Germany81
13Australia77
13Hong Kong77
13Iceland77
 
Source: Transparency International, 2017. Web: www.transparency.org .