Iran: Corruption Perceptions Index, 100 = no corruption
For that indicator, Transparency International provides data for Iran from 2004 to 2018. The average value for Iran during that period was 26 points with a minumum of 18 points in 2009 and a maximum of 30 points in 2017.
See the global rankings for that indicator or
use the country comparator to compare trends over time.
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.