Free and Fair Elections Index in Tanzania
Tanzania: Free and Fair Elections Index was 0.364 in 2025. ◆ Volatile
Free and Fair Elections Index in Tanzania, 1914–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
Tanzania recorded 0.364 for free and fair elections index in 2025.
Compared with earlier readings it is up 0.6% on the previous year and down 23.7% over ten years.
Over the whole period, free and fair elections index in Tanzania peaked at 0.569 in 1995 and was at its lowest, 0, in 1914.
That places Tanzania 106th out of 176 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.
Free and Fair Elections Index in Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 1914 | 0 | — |
| 1915 | 0 | — |
| 1916 | 0 | — |
| 1917 | 0 | — |
| 1918 | 0 | — |
| 1919 | 0 | — |
| 1920 | 0 | — |
| 1921 | 0 | — |
| 1922 | 0 | — |
| 1923 | 0 | — |
| 1924 | 0 | — |
| 1925 | 0 | — |
| 1926 | 0 | — |
| 1927 | 0 | — |
| 1928 | 0 | — |
| 1929 | 0 | — |
| 1930 | 0 | — |
| 1931 | 0 | — |
| 1932 | 0 | — |
| 1933 | 0 | — |
| 1934 | 0 | — |
| 1935 | 0 | — |
| 1936 | 0 | — |
| 1937 | 0 | — |
| 1938 | 0 | — |
| 1939 | 0 | — |
| 1940 | 0 | — |
| 1941 | 0 | — |
| 1942 | 0 | — |
| 1943 | 0 | — |
| 1944 | 0 | — |
| 1945 | 0 | — |
| 1946 | 0 | — |
| 1947 | 0 | — |
| 1948 | 0 | — |
| 1949 | 0 | — |
| 1950 | 0 | — |
| 1951 | 0 | — |
| 1952 | 0 | — |
| 1953 | 0 | — |
| 1954 | 0 | — |
| 1955 | 0 | — |
| 1956 | 0 | — |
| 1957 | 0 | — |
| 1958 | 0.143 | — |
| 1959 | 0.453 | +216.8% |
| 1960 | 0.467 | +3.1% |
| 1961 | 0.56 | +19.9% |
| 1962 | 0.558 | -0.4% |
| 1963 | 0.55 | -1.4% |
| 1964 | 0.55 | +0.0% |
| 1965 | 0.534 | -2.9% |
| 1966 | 0.473 | -11.4% |
| 1967 | 0.473 | +0.0% |
| 1968 | 0.473 | +0.0% |
| 1969 | 0.473 | +0.0% |
| 1970 | 0.472 | -0.2% |
| 1971 | 0.47 | -0.4% |
| 1972 | 0.47 | +0.0% |
| 1973 | 0.47 | +0.0% |
| 1974 | 0.47 | +0.0% |
| 1975 | 0.47 | +0.0% |
| 1976 | 0.468 | -0.4% |
| 1977 | 0.468 | +0.0% |
| 1978 | 0.468 | +0.0% |
| 1979 | 0.468 | +0.0% |
| 1980 | 0.468 | +0.0% |
| 1981 | 0.469 | +0.2% |
| 1982 | 0.469 | +0.0% |
| 1983 | 0.469 | +0.0% |
| 1984 | 0.469 | +0.0% |
| 1985 | 0.468 | -0.2% |
| 1986 | 0.46 | -1.7% |
| 1987 | 0.46 | +0.0% |
| 1988 | 0.46 | +0.0% |
| 1989 | 0.46 | +0.0% |
| 1990 | 0.466 | +1.3% |
| 1991 | 0.495 | +6.2% |
| 1992 | 0.501 | +1.2% |
| 1993 | 0.525 | +4.8% |
| 1994 | 0.568 | +8.2% |
| 1995 | 0.569 | +0.2% |
| 1996 | 0.506 | -11.1% |
| 1997 | 0.506 | +0.0% |
| 1998 | 0.506 | +0.0% |
| 1999 | 0.506 | +0.0% |
| 2000 | 0.482 | -4.7% |
| 2001 | 0.367 | -23.9% |
| 2002 | 0.367 | +0.0% |
| 2003 | 0.367 | +0.0% |
| 2004 | 0.367 | +0.0% |
| 2005 | 0.363 | -1.1% |
| 2006 | 0.466 | +28.4% |
| 2007 | 0.466 | +0.0% |
| 2008 | 0.466 | +0.0% |
| 2009 | 0.466 | +0.0% |
| 2010 | 0.47 | +0.9% |
| 2011 | 0.484 | +3.0% |
| 2012 | 0.484 | +0.0% |
| 2013 | 0.484 | +0.0% |
| 2014 | 0.484 | +0.0% |
| 2015 | 0.477 | -1.4% |
| 2016 | 0.445 | -6.7% |
| 2017 | 0.439 | -1.3% |
| 2018 | 0.419 | -4.6% |
| 2019 | 0.446 | +6.4% |
| 2020 | 0.412 | -7.6% |
| 2021 | 0.331 | -19.7% |
| 2022 | 0.331 | +0.0% |
| 2023 | 0.364 | +10.0% |
| 2024 | 0.362 | -0.5% |
| 2025 | 0.364 | +0.6% |
Tanzania compared with similar countries
- Tanzania's 0.364 is above the median for lower middle income countries, which is 0.321, 1.1× the median. (46 countries reporting)
- Tanzania's 0.364 is above the median for Sub-Saharan Africa, which is 0.2905, 1.3× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Free and Fair Elections Index in Tanzania changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1959 | +216.8% | 0.143 | 0.453 |
| 2006 | +28.4% | 0.363 | 0.466 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 0 | 0 | 0 | 6 |
| 1920s | 0 | 0 | 0 | 10 |
| 1930s | 0 | 0 | 0 | 10 |
| 1940s | 0 | 0 | 0 | 10 |
| 1950s | 0.0596 | 0 | 0.453 | 10 |
| 1960s | 0.5111 | 0.467 | 0.56 | 10 |
| 1970s | 0.4694 | 0.468 | 0.472 | 10 |
| 1980s | 0.4652 | 0.46 | 0.469 | 10 |
| 1990s | 0.5148 | 0.466 | 0.569 | 10 |
| 2000s | 0.4177 | 0.363 | 0.482 | 10 |
| 2010s | 0.4632 | 0.419 | 0.484 | 10 |
| 2020s | 0.3607 | 0.331 | 0.412 | 6 |
Countries ranked near Tanzania
More reference data data for Tanzania
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.6405 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 11.44 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.14 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7582 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.14 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 2.15 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.26 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 59.37 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 72.45 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 4.13 (2050)
Frequently asked questions
- What is free and fair elections index in Tanzania?
- Free and fair elections index in Tanzania was 0.364 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest free and fair elections index recorded in Tanzania?
- The highest recorded value was 0.569 in 1995.
- What is the lowest free and fair elections index recorded in Tanzania?
- The lowest recorded value was 0 in 1914.
- How does Tanzania rank for free and fair elections index?
- Tanzania ranks 106th out of 176 countries with data for 2025.
- Is free and fair elections index rising or falling in Tanzania?
- Over the last ten years it is down 23.7%. 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 Free and Fair Elections 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 registration fraud, systematic irregularities, government intimidation of the opposition, vote buying, and election violence are absent, and the election management body is autonomous and has enough staff and resources.