Electoral Democracy Index in Tanzania
Tanzania: Electoral Democracy Index was 0.365 in 2025. ◆ Volatile
Electoral Democracy Index in Tanzania, 1915–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
In 2025, electoral democracy index in Tanzania stood at 0.365.
That represents a change of down 11.6% on the previous year and down 19.4% over ten years.
Over the whole period, electoral democracy index in Tanzania peaked at 0.491 in 1996 and was at its lowest, 0.039, in 1917.
Tanzania ranks 106th of 176 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 |
|---|---|---|---|---|
| 1910s | 0.042 | 0.039 | 0.044 | 5 |
| 1920s | 0.045 | 0.045 | 0.045 | 10 |
| 1930s | 0.048 | 0.047 | 0.052 | 10 |
| 1940s | 0.052 | 0.052 | 0.052 | 10 |
| 1950s | 0.0764 | 0.052 | 0.155 | 10 |
| 1960s | 0.2517 | 0.165 | 0.324 | 10 |
| 1970s | 0.2422 | 0.241 | 0.243 | 10 |
| 1980s | 0.255 | 0.242 | 0.267 | 10 |
| 1990s | 0.4227 | 0.287 | 0.491 | 10 |
| 2000s | 0.4522 | 0.429 | 0.477 | 10 |
| 2010s | 0.4387 | 0.383 | 0.477 | 10 |
| 2020s | 0.3888 | 0.365 | 0.413 | 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)
- Varieties of democracy 0.365 (2025)
- Liberal Democracy Index 0.297 (2025)
- Human Rights Index 0.673 (2025)
- Participatory Democracy Index 0.245 (2025)
- Key features of human rights 0.673 (2025)
- Key features of electoral democracy 0.365 (2025)
Frequently asked questions
- What is electoral democracy index in Tanzania?
- Electoral democracy index in Tanzania was 0.365 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest electoral democracy index recorded in Tanzania?
- The highest recorded value was 0.491 in 1996.
- What is the lowest electoral democracy index recorded in Tanzania?
- The lowest recorded value was 0.039 in 1917.
- How does Tanzania rank for electoral democracy index?
- Tanzania ranks 106th out of 176 countries with data for 2025.
- Is electoral democracy index rising or falling in Tanzania?
- Over the last ten years it is down 19.4%. 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 Electoral Democracy Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 111 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Central estimate of the extent to which political leaders are elected under comprehensive suffrage in free and fair elections, and freedoms of association and expression are guaranteed.