The Corruption Perceptions Index ranks 180 countries and territories by their perceived levels of public sector corruption, according to experts and business people. This year’s analysis shows corruption is more pervasive in countries where big money can flow freely into electoral campaigns and where governments listen only to the voices of wealthy or well-connected individuals.

See previous CPI results.

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Corruption Perceptions Index 2019

CPI Scale from Highly Corrupt to Very Clean

Highlights

Improvers*

  • Greece
  • Guyana
  • Estonia

Decliners*

  • Canada
  • Nicaragua
  • Australia

Countries to watch

  • Canada
  • Angola
  • Saudi Arabia
  • More

* Examples of countries whose score changed significantly between 2012 and 2019

Governments must urgently address the corrupting role of big money in political party financing and the undue influence it exerts on our political systems.

Delia Ferreira Rubio
Chair
Transparency International

A closer look at the CPI

Full Report

The full data set

Since its inception in 1995, the Corruption Perceptions Index, Transparency International’s flagship research product, has become the leading global indicator of public sector corruption. The index offers an annual snapshot of the relative degree of corruption by ranking countries and territories from all over the globe. In 2012, Transparency International revised the methodology used to construct the index to allow for comparison of scores from one year to the next. The 2019 CPI draws on 13 surveys and expert assessments to measure public sector corruption in 180 countries and territories, giving each a score from zero (highly corrupt) to 100 (very clean).

# Country Region 2019 2018 2017 2016 2015

Methodology

The methodology follows four basic steps: selection of source data, rescaling source data, aggregating the rescaled data and then reporting a measure for uncertainty. 

Press Release

The 2019 Corruption Perceptions Index shows more than two-thirds of countries – along with many of the world’s most advanced economies – are stagnating or showing signs of backsliding in their anti-corruption efforts

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