Legislative Corruption Score in Tanzania
Tanzania: Legislative Corruption Score was 0.745 in 2025. ◆ Volatile
Legislative Corruption Score in Tanzania, 1926–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
The most recent figure for legislative corruption score in Tanzania is 0.745, measured in 2025.
The figure is down 39.2% on the previous year and up 42.4% over ten years.
Over the whole period, legislative corruption score in Tanzania peaked at 2.52 in 1926 and was at its lowest, 0.501, in 1996.
Tanzania ranks 57th of 174 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1920s | 2.52 | 2.52 | 2.52 | 4 |
| 1930s | 2.52 | 2.52 | 2.52 | 10 |
| 1940s | 2.52 | 2.52 | 2.52 | 10 |
| 1950s | 2.52 | 2.52 | 2.52 | 10 |
| 1960s | 1.53 | 1.49 | 1.54 | 10 |
| 1970s | 1.54 | 1.54 | 1.54 | 10 |
| 1980s | 1.4 | 1.27 | 1.54 | 10 |
| 1990s | 0.8584 | 0.501 | 1.27 | 10 |
| 2000s | 0.5073 | 0.501 | 0.522 | 10 |
| 2010s | 0.5707 | 0.522 | 0.698 | 10 |
| 2020s | 0.8508 | 0.59 | 1.23 | 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 legislative corruption score in Tanzania?
- Legislative corruption score in Tanzania was 0.745 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest legislative corruption score recorded in Tanzania?
- The highest recorded value was 2.52 in 1926.
- What is the lowest legislative corruption score recorded in Tanzania?
- The lowest recorded value was 0.501 in 1996.
- How does Tanzania rank for legislative corruption score?
- Tanzania ranks 57th out of 174 countries with data for 2025.
- Is legislative corruption score rising or falling in Tanzania?
- Over the last ten years it is up 42.4%. The long-run trend across the full record is volatile.
- Where does this Tanzania data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Legislative Corruption Score. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 100 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Data by V-Dem. Expert estimates of the extent to which members of the legislature abuse their position for financial gain, such as bribes, government contracts, future employment, or stealing from the state. Higher scores mean less corruption. A score of 0 is approximately the average across all countries and years.