Corruption perceptions - Transparency International - country data from around the world:
The average for 2015 was 42.88 points.
The highest value was in Denmark: 91 points and the lowest value was in North Korea: 8 points.
Below is a chart for all countries where data are available for: Corruption perceptions - Transparency International.
Definition: The Corruption Perceptions Index is an indicator of perceptions of public sector corruption, i.e. administrative and political corruption. The indicator values are determined by using information from surveys and assessments of corruption, collected by a variety of reputable institutions.