# List of countries by Corruption Perceptions Index

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Published: 2026-10-26T16:18:38.223Z

Updated: 2026-10-26T16:18:38.223Z

This is a list of countries by Corruption Perceptions Index (CPI) as published by Transparency International, including scores and rankings. The Corruption Perceptions Index (CPI) assesses countries by their perceived levels of public sector corruption, as assessed by experts and business executives. The CPI generally defines corruption as an "abuse of entrusted power for private gain".

## Key facts

## Overview

This is a list of countries by Corruption Perceptions Index (CPI) as published by Transparency International, including scores and rankings. The Corruption Perceptions Index (CPI) assesses countries by their perceived levels of public sector corruption, as assessed by experts and business executives. The CPI generally defines corruption as an "abuse of entrusted power for private gain". The index is published annually by the non-governmental organisation Transparency International since 1995. The 2024 CPI, published in February 2025, currently ranks 180 countries "on a scale from 100 (very clean) to 0 (highly corrupt)" based on the situation between 1 May 2023 and 30 April 2024. Denmark, Finland, Singapore, New Zealand, Norway, Switzerland and  Sweden (almost all scoring above 80 over the last thirteen years), are perceived as the least corrupt nations in the world — ranking consistently high among international financial transparency — while the most apparently corrupt is South Sudan (scoring 8), along with Somalia (9) and Venezuela (10).

## Scores since 2012

Since 2012, the Corruption Perceptions Index has been scored from 100 (very clean) to 0 (highly corrupt).

## Scores from 1998–2011

From 1998 to 2011, the Corruption Perceptions Index was scored from 10.0 (very clean) to 0.0 (highly corrupt). The scores were rounded to a single decimal space.

## Scores from 1995-1997

From 1995-1997, the Corruption Perceptions Index was scored from 0.00 (highly corrupt) to 10.00 (very clean). The scores were rounded to two decimal spaces.

## External links

Official site List of Global Development Indexes and Rankings A Users' Guide to Measuring Corruption critiques the CPI and similar indices. Global Integrity Index

## Sources

- List of countries by Corruption Perceptions Index · Wikipedia: https://en.wikipedia.org/?curid=79239631

Source: Wikipedia contributors — https://en.wikipedia.org/?curid=79239631&oldid=1340242254

Licence: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/

Adaptation notice: Reformatted for XPay; the source may be abridged, restructured or translated. Consult the cited revision for the original.