Government effectiveness vs electoral democracy index in Tanzania
Tanzania: Government effectiveness vs electoral democracy index was 0.365 in 2025. ◆ Volatile
Government effectiveness vs electoral democracy index in Tanzania, 1915–2025
Source: Our World in Data.
Analysis
In 2025, government effectiveness vs electoral democracy index in Tanzania stood at 0.365.
Compared with earlier readings it is down 11.6% on the previous year and down 19.4% over ten years.
Over the whole period, government effectiveness vs electoral democracy index in Tanzania peaked at 0.491 in 1996 and was at its lowest, 0.039, in 1917.
That places Tanzania 105th out of 175 countries with data for 2025, putting it 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
- 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)
- Political rights rating fh 6 (2025)
- Democracy lexical 0 (2025)
- Human rights index vs electoral democracy index 0.673 (2025)
- Liberal democracy index 0.297 (2025)
- Electoral democracy index 0.365 (2025)
- Freedom of association index 0.616 (2025)
- Freedom of expression index 0.552 (2025)
- Participatory democracy index 0.245 (2025)
Frequently asked questions
- What is government effectiveness vs electoral democracy index in Tanzania?
- Government effectiveness vs electoral democracy index in Tanzania was 0.365 in 2025, according to Our World in Data.
- What is the highest government effectiveness vs electoral democracy index recorded in Tanzania?
- The highest recorded value was 0.491 in 1996.
- What is the lowest government effectiveness vs electoral democracy index recorded in Tanzania?
- The lowest recorded value was 0.039 in 1917.
- How does Tanzania rank for government effectiveness vs electoral democracy index?
- Tanzania ranks 105th out of 175 countries with data for 2025.
- Is government effectiveness vs 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 Our World in Data, published as part of Government effectiveness vs 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).