Political Corruption Index in Portugal
Portugal: Political Corruption Index was 0.166 in 2025. ▼ Falling
Political Corruption Index in Portugal, 1789–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
In 2025, political corruption index in Portugal stood at 0.166.
That represents a change of up 78.5% over ten years.
Over the whole period, political corruption index in Portugal peaked at 0.582 in 1835 and was at its lowest, 0.084, in 1975.
That places Portugal 137th out of 176 countries with data for 2025, putting it in the bottom quarter.
The long-run direction has been consistently falling across the 237 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1780s | 0.542 | 0.542 | 0.542 | 1 |
| 1790s | 0.542 | 0.542 | 0.542 | 10 |
| 1800s | 0.542 | 0.542 | 0.542 | 10 |
| 1810s | 0.542 | 0.542 | 0.542 | 10 |
| 1820s | 0.5149 | 0.489 | 0.526 | 10 |
| 1830s | 0.5425 | 0.489 | 0.582 | 10 |
| 1840s | 0.582 | 0.582 | 0.582 | 10 |
| 1850s | 0.4649 | 0.442 | 0.582 | 10 |
| 1860s | 0.37 | 0.37 | 0.37 | 10 |
| 1870s | 0.37 | 0.37 | 0.37 | 10 |
| 1880s | 0.37 | 0.37 | 0.37 | 10 |
| 1890s | 0.3396 | 0.332 | 0.37 | 10 |
| 1900s | 0.332 | 0.332 | 0.332 | 10 |
| 1910s | 0.3022 | 0.243 | 0.317 | 10 |
| 1920s | 0.275 | 0.212 | 0.317 | 10 |
| 1930s | 0.2538 | 0.212 | 0.272 | 10 |
| 1940s | 0.263 | 0.263 | 0.263 | 10 |
| 1950s | 0.263 | 0.263 | 0.263 | 10 |
| 1960s | 0.2475 | 0.243 | 0.252 | 10 |
| 1970s | 0.1532 | 0.084 | 0.243 | 10 |
| 1980s | 0.1062 | 0.105 | 0.107 | 10 |
| 1990s | 0.0966 | 0.088 | 0.105 | 10 |
| 2000s | 0.0892 | 0.088 | 0.091 | 10 |
| 2010s | 0.0947 | 0.087 | 0.105 | 10 |
| 2020s | 0.1492 | 0.121 | 0.172 | 6 |
Countries ranked near Portugal
More social development data for Portugal
- Political Rights Rating 1 (2025)
- Refugees under the mandate of the UNHCR by country or territory of asy 70,349 (2025)
- Refugees under the mandate of the UNHCR by country or territory of ori 109 (2025)
- Electoral democracy 1 (2025)
- Key features of democracy 0.822 (2025)
- Freedom of Expression Index 0.899 (2025)
- Freedom of Association Index 0.874 (2025)
- Electoral Democracy Index 0.822 (2025)
- Participatory Democracy Index 0.529 (2025)
- Liberal Democracy Index 0.717 (2025)
Frequently asked questions
- What is political corruption index in Portugal?
- Political corruption index in Portugal was 0.166 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest political corruption index recorded in Portugal?
- The highest recorded value was 0.582 in 1835.
- What is the lowest political corruption index recorded in Portugal?
- The lowest recorded value was 0.084 in 1975.
- How does Portugal rank for political corruption index?
- Portugal ranks 137th out of 176 countries with data for 2025.
- Is political corruption index rising or falling in Portugal?
- Over the last ten years it is up 78.5%. The long-run trend across the full record is falling.
- Where does this Portugal data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Political Corruption Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 237 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Central estimate of the extent to which a country is affected by political corruption.