Corruption Index 2011

Transparency International's Corruption Perceptions Index (CPI) is the best known of our tools. First launched in 1995, it has been widely credited with putting the issue of corruption on the international policy agenda. The CPI ranks almost 200 countries by their perceived levels of corruption, as determined by expert assessments and opinion surveys.

Guardian article on this dataset: http://www.guardian.co.uk/news/datablog/2011/dec/01/corruption-index-2011-transparency-international