"Afghanistan currently ranks in the second lowest percentile on the World Bank’s corruption index.293 A significant component of this index is based on the activities of corruption prone government agencies. Survey after survey reveals the Afghan perception of law enforcement and courts as among the most corrupt institutions in the country.294 A 2006 poll by the Asia Foundation found that 77 per cent of Afghans believed corruption was a problem at the national level.295"
Source
United Nations Office on Drugs and Crime, "Addiction, Crime and Insurgency: The transnational threat of Afghan opium" (Vienna, Austria: October 2009), p. 137.
http://www.unodc.org/document…