Countries by Corruption Perceptions Index
Complete ranking of 181 countries • index score • Data refreshed May 28, 2026
Leader
Denmark
Field size
181 countries
Lowest rank
South Sudan
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About Corruption Perceptions Index Rankings
Denmark leads all 181 countries in Corruption Perceptions Index with a value of 89 pts, while South Sudan ranks last at 9.00 pts. This represents a 10-fold difference between the highest and lowest values.
What Corruption Perceptions Index Measures
Transparency International Corruption Perceptions Index score on a 0-100 scale, where higher scores mean lower perceived public-sector corruption.
Why This Ranking Matters
Examining Corruption Perceptions Index across all countries reveals patterns that might not be obvious at the national level. Regional clusters, outlier nations, and historical trajectories all become clearer when the full global picture is assembled in a single ranking.
Global Range
Values range from 9.00 pts (South Sudan) to 89 pts (Denmark) — a 10-fold difference across 181 countries.
Regional Patterns
European countries dominate this ranking, holding 12 of the top 20 positions. This strong regional concentration suggests shared economic, geographic, or policy factors that drive higher values across the continent.
Values are broadly distributed across countries, with the middle 50% ranging from 28 pts to 56 pts. The overall spread from 9.00 pts to 89 pts reflects significant global variation.
Notable Outliers
The top of the ranking is competitive: Denmark and Finland are separated by only 1%, indicating that the leading positions could shift with updated data.
Continental Leaders
Highest Corruption Perceptions Index
The 5 strongest Corruption Perceptions Index reads.
Lowest Corruption Perceptions Index
The 5 lowest Corruption Perceptions Index reads.
Data Note
Rankings are based on the latest available data from Transparency International Corruption Perceptions Index, covering 181 of 249 countries and territories. Countries without data for this metric are excluded from the ranking. All values represent the most recently reported figures.
