Corruption Perceptions Index: Country Scores and Rankings

Transparency International's Corruption Perceptions Index scores countries from 0 (highly corrupt) to 100 (very clean). The dataset contains CPI scores and rankings for countries and territories, reflecting perceived levels of public sector corruption. It is published by Transparency International and was last updated in May 2026.

Use Cases

• Analyze global corruption trends based on country scores and rankings.
• Compare perceived public sector corruption levels between different countries or regions.
• Model the relationship between corruption perceptions and other socioeconomic indicators.
• Track changes in a country's corruption score over time, if historical data is present.

Strengths

• Scores are based on a defined 0-100 scale, providing a standardized metric.
• Data is published by Transparency International, a recognized authority on corruption research.
• License is CC-BY-4.0, permitting broad reuse with attribution.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale analysis.

Provenance

Source

Transparency International

Collection Method

Assessments by experts and business executives, as described.

Freshness

Last updated 2026-05-21 18:58:48.369616; freshness should be verified.

Geography

Countries and territories worldwide.