Corruption Perception Index. This year’s corruption perceptions index (cpi) reveals that corruption levels are at a worldwide standstill. Corruption perceptions index the cpi scores and ranks countries based on how corrupt a country's public sector is perceived to be by experts and business executives.
182 rows the corruption perceptions index (cpi) is an index which ranks countries by their. The cpi is a ‘poll of polls’ that collates and standardises data from 12 independent. About the corruption perceptions index.