Political Corruption Index in Tanzania
Tanzania: Political Corruption Index was 0.329 in 2025. ▼ Falling
Political Corruption Index in Tanzania, 1914–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
In 2025, political corruption index in Tanzania stood at 0.329.
The figure is up 17.1% on the previous year and down 23.3% over ten years.
Over the whole period, political corruption index in Tanzania peaked at 0.643 in 1914 and was at its lowest, 0.168, in 1965.
That places Tanzania 112th out of 176 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 112 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 0.643 | 0.643 | 0.643 | 6 |
| 1920s | 0.5961 | 0.487 | 0.643 | 10 |
| 1930s | 0.487 | 0.487 | 0.487 | 10 |
| 1940s | 0.487 | 0.487 | 0.487 | 10 |
| 1950s | 0.487 | 0.487 | 0.487 | 10 |
| 1960s | 0.2425 | 0.168 | 0.505 | 10 |
| 1970s | 0.174 | 0.174 | 0.174 | 10 |
| 1980s | 0.2572 | 0.18 | 0.353 | 10 |
| 1990s | 0.4348 | 0.394 | 0.468 | 10 |
| 2000s | 0.465 | 0.46 | 0.468 | 10 |
| 2010s | 0.4026 | 0.304 | 0.462 | 10 |
| 2020s | 0.3017 | 0.269 | 0.329 | 6 |
Countries ranked near Tanzania
More social development data for Tanzania
- Political Rights Rating 6 (2025)
- Refugees under the mandate of the UNHCR by country or territory of asy 171,142 (2025)
- Refugees under the mandate of the UNHCR by country or territory of ori 1,592 (2025)
- Electoral democracy 0 (2025)
- Key features of democracy 0.365 (2025)
- Freedom of Expression Index 0.552 (2025)
- Freedom of Association Index 0.616 (2025)
- Electoral Democracy Index 0.365 (2025)
- Participatory Democracy Index 0.245 (2025)
- Liberal Democracy Index 0.297 (2025)
Frequently asked questions
- What is political corruption index in Tanzania?
- Political corruption index in Tanzania was 0.329 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest political corruption index recorded in Tanzania?
- The highest recorded value was 0.643 in 1914.
- What is the lowest political corruption index recorded in Tanzania?
- The lowest recorded value was 0.168 in 1965.
- How does Tanzania rank for political corruption index?
- Tanzania ranks 112th out of 176 countries with data for 2025.
- Is political corruption index rising or falling in Tanzania?
- Over the last ten years it is down 23.3%. The long-run trend across the full record is falling.
- Where does this Tanzania 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 — 112 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.