Corruption Perceptions Index

Every year in one file, one row per country per year: corruption-perceptions-index-all-editions-nations-inquiry.csv

Every column in the newest file of Corruption Perceptions Index: what it holds, how it is stored, and its range.

Column	What it holds	Stored as	Range, 2025	Distinct	Empty	Spread
Global Rankglobal_rankPublisher’s rank	Transparency International’s own rank, exactly as printed.	Number · whole numbers	1Denmark1812 share itmiddle 91	66	0
CountrycountryName	The country’s name, as this file spells it.	Text	—	182	0
ISO Codecountry_codeIdentifier	The ISO 3166-1 alpha-3 code, added by this site. Every table here joins on it.	Text · 3 letters	—	182	0
CPI Scorecpi_scoreHeadline	The headline figure: CPI score (0–100, where 100 is very clean).	Number · whole numbers	92 share it89Denmarkmiddle 39	66	0
Data Sources UsedsourcesMeasure	How many independent expert and business surveys scored the country; a country needs at least three to receive a score.	Number · whole numbers	312 share it1010 share itmiddle 8	8	0
Standard Errorstandard_errorMeasure	Standard error of the score, in CPI points: how uncertain the estimate is, given how far its source surveys disagree.	Number · up to 7 decimals	0.7440Zimbabwe8.2121Comorosmiddle 2.1041	182	0
RegionregionGrouping	Transparency International’s own grouping of the country.	Text	—	6	0

Profiled from the newest file. Range: the lowest and highest value, with the country holding it when only one does. Spread: countries in ten equal steps from lowest to highest. A higher value is the better result.

The newest 12 of 14 years.

Not in this dataset · 43 places this site covers

Transparency International gives no figure for these in any year held here. It is the publisher’s choice of scope, and each place’s profile shows what is measured.

American SamoaAndorraAnguillaAntigua and BarbudaArubaBermudaBritish Virgin IslandsCayman IslandsChannel IslandsCook IslandsCuraçaoFaroe IslandsFrench PolynesiaGibraltarGreenlandGuamIsle of ManKiribatiLiechtensteinMacauMarshall IslandsMicronesiaMonacoMontserratNauruNew CaledoniaNiueNorthern CyprusNorthern Mariana IslandsPalauPalestinePuerto RicoSaint Kitts and NevisSaint MartinSamoaSan MarinoSint MaartenSomalilandTongaTurks and Caicos IslandsTuvaluUnited States Virgin IslandsVatican City

1. 1 · Publisher

   Transparency International

   transparency.org

2. 2 · Their file

   Corruption Perceptions Index 2025

   CPI2025_Results.xlsx

3. 3 · Read by this site

   September 6, 2026

   Imported by a script that parses each figure and writes it down unrounded.

4. 4 · Stored as

   14 files, one per year

   Each downloads as a CSV, or every year together as corruption-perceptions-index-all-editions-nations-inquiry.csv

5. 5 · Used on

   Its statistic page, and every profile it measures

   /statistics/corruption-perceptions-indexA key for Governance & Institutions in the Country Index.

Imported from Transparency International’s own results spreadsheet. The series starts at 2012 on TI’s instruction: earlier scores used a different scale and were only ever comparable within a single year.