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.

Electoral Democracy Index in Tanzania

Name: Electoral Democracy Index in Tanzania
Creator: V-Dem (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Tanzania: Electoral Democracy Index was 0.365 in 2025. ◆ Volatile

Latest (2025)

0.365

Change on year

down 11.6%

World rank

106th

of 176 countries

All-time high

0.491

in 1996

All-time low

0.039

in 1917

Years of data

111

1915–2025

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.

Electoral Democracy Index in Tanzania, year by year

Annual values for Electoral Democracy Index in Tanzania, 1915 to 2025.
Year	Value	Change
1915	0.044	—
1916	0.044	+0.0%
1917	0.039	-11.4%
1918	0.039	+0.0%
1919	0.044	+12.8%
1920	0.045	+2.3%
1921	0.045	+0.0%
1922	0.045	+0.0%
1923	0.045	+0.0%
1924	0.045	+0.0%
1925	0.045	+0.0%
1926	0.045	+0.0%
1927	0.045	+0.0%
1928	0.045	+0.0%
1929	0.045	+0.0%
1930	0.047	+4.4%
1931	0.047	+0.0%
1932	0.047	+0.0%
1933	0.047	+0.0%
1934	0.047	+0.0%
1935	0.047	+0.0%
1936	0.047	+0.0%
1937	0.047	+0.0%
1938	0.052	+10.6%
1939	0.052	+0.0%
1940	0.052	+0.0%
1941	0.052	+0.0%
1942	0.052	+0.0%
1943	0.052	+0.0%
1944	0.052	+0.0%
1945	0.052	+0.0%
1946	0.052	+0.0%
1947	0.052	+0.0%
1948	0.052	+0.0%
1949	0.052	+0.0%
1950	0.052	+0.0%
1951	0.057	+9.6%
1952	0.057	+0.0%
1953	0.057	+0.0%
1954	0.063	+10.5%
1955	0.069	+9.5%
1956	0.072	+4.3%
1957	0.072	+0.0%
1958	0.11	+52.8%
1959	0.155	+40.9%
1960	0.165	+6.5%
1961	0.21	+27.3%
1962	0.246	+17.1%
1963	0.324	+31.7%
1964	0.318	-1.9%
1965	0.269	-15.4%
1966	0.254	-5.6%
1967	0.245	-3.5%
1968	0.243	-0.8%
1969	0.243	+0.0%
1970	0.242	-0.4%
1971	0.242	+0.0%
1972	0.242	+0.0%
1973	0.242	+0.0%
1974	0.242	+0.0%
1975	0.242	+0.0%
1976	0.241	-0.4%
1977	0.243	+0.8%
1978	0.243	+0.0%
1979	0.243	+0.0%
1980	0.242	-0.4%
1981	0.244	+0.8%
1982	0.248	+1.6%
1983	0.248	+0.0%
1984	0.248	+0.0%
1985	0.256	+3.2%
1986	0.263	+2.7%
1987	0.267	+1.5%
1988	0.267	+0.0%
1989	0.267	+0.0%
1990	0.287	+7.5%
1991	0.294	+2.4%
1992	0.393	+33.7%
1993	0.402	+2.3%
1994	0.414	+3.0%
1995	0.473	+14.3%
1996	0.491	+3.8%
1997	0.491	+0.0%
1998	0.491	+0.0%
1999	0.491	+0.0%
2000	0.477	-2.9%
2001	0.44	-7.8%
2002	0.44	+0.0%
2003	0.44	+0.0%
2004	0.44	+0.0%
2005	0.429	-2.5%
2006	0.465	+8.4%
2007	0.462	-0.6%
2008	0.464	+0.4%
2009	0.465	+0.2%
2010	0.467	+0.4%
2011	0.477	+2.1%
2012	0.475	-0.4%
2013	0.47	-1.1%
2014	0.467	-0.6%
2015	0.453	-3.0%
2016	0.409	-9.7%
2017	0.401	-2.0%
2018	0.385	-4.0%
2019	0.383	-0.5%
2020	0.383	+0.0%
2021	0.366	-4.4%
2022	0.397	+8.5%
2023	0.409	+3.0%
2024	0.413	+1.0%
2025	0.365	-11.6%

Tanzania compared with similar countries

Tanzania's 0.365 is above the median for lower middle income countries, which is 0.3475, 1.1× the median. (46 countries reporting)
Tanzania's 0.365 is above the median for Sub-Saharan Africa, which is 0.317, 1.2× the median. (48 countries reporting)

Biggest year-on-year movements

Years where Electoral Democracy 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
1958	+52.8%	0.072	0.11
1959	+40.9%	0.11	0.155
1992	+33.7%	0.294	0.393
1963	+31.7%	0.246	0.324
1961	+27.3%	0.165	0.21

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

103 Ukraine 0.386 compare
104 India 0.377 compare
105 Iraq 0.369 compare
107 Madagascar 0.361 compare
108 Togo 0.351 compare
109 Angola 0.344 compare

See the full ranking of 176 places →

More social development data for Tanzania

Refugees under the mandate of the UNHCR by country or territory of 171,142 (2025)
Refugees under the mandate of the UNHCR by country or territory of 1,592 (2025)
Political Rights Rating 6 (2025)
Electoral democracy 0 (2025)
Political rights rating fh, annual growth rate 0 % change on previous year (2025)
Political rights rating fh, gaps filled 6 (2025)
Refugees under the mandate of the UNHCR by country or territory of 0 units per person (2025)
Refugees under the mandate of the UNHCR by country or territory of 1,592 (2025)
Refugees under the mandate of the UNHCR by country or territory of 0.0024 units per person (2025)
Refugees under the mandate of the UNHCR by country or territory of 0 units per US$ of GDP (2025)

All data for Tanzania →

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.

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Electoral Democracy Index in Tanzania. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 22 September 2026, from https://social-development.statizoid.com/stat/electoral-democracy-index/tanzania/

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About this data

Indicator: Electoral Democracy Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,649 data points, 1789–2025
Last refreshed: 18 September 2026

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.