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Participatory Political Institutions Index in Tanzania

Tanzania: Participatory Political Institutions Index was 0.558 in 2025. ◆ Volatile

Latest (2025)
0.558
Change on year
up 0.5%
World rank
70th
of 176 countries
All-time high
0.581
in 2021
All-time low
0.032
in 1914
Years of data
112
1914–2025

Participatory Political Institutions Index in Tanzania, 1914–2025

00.20.40.6191419692025

Source: V-Dem (2026) – processed by Our World in Data.

Analysis

Tanzania recorded 0.558 for participatory political institutions index in 2025.

The figure is up 0.5% on the previous year and up 0.4% over ten years.

Over the whole period, participatory political institutions index in Tanzania peaked at 0.581 in 2021 and was at its lowest, 0.032, in 1914.

Tanzania ranks 70th 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.

Participatory Political Institutions Index in Tanzania, year by year

Year Value Change
1914 0.032 —
1915 0.032 +0.0%
1916 0.032 +0.0%
1917 0.032 +0.0%
1918 0.032 +0.0%
1919 0.032 +0.0%
1920 0.032 +0.0%
1921 0.032 +0.0%
1922 0.032 +0.0%
1923 0.032 +0.0%
1924 0.032 +0.0%
1925 0.032 +0.0%
1926 0.032 +0.0%
1927 0.032 +0.0%
1928 0.032 +0.0%
1929 0.032 +0.0%
1930 0.032 +0.0%
1931 0.032 +0.0%
1932 0.032 +0.0%
1933 0.032 +0.0%
1934 0.032 +0.0%
1935 0.032 +0.0%
1936 0.032 +0.0%
1937 0.032 +0.0%
1938 0.032 +0.0%
1939 0.032 +0.0%
1940 0.032 +0.0%
1941 0.032 +0.0%
1942 0.032 +0.0%
1943 0.032 +0.0%
1944 0.032 +0.0%
1945 0.032 +0.0%
1946 0.032 +0.0%
1947 0.032 +0.0%
1948 0.032 +0.0%
1949 0.032 +0.0%
1950 0.032 +0.0%
1951 0.032 +0.0%
1952 0.032 +0.0%
1953 0.046 +43.7%
1954 0.056 +21.7%
1955 0.057 +1.8%
1956 0.057 +0.0%
1957 0.057 +0.0%
1958 0.057 +0.0%
1959 0.057 +0.0%
1960 0.088 +54.4%
1961 0.205 +133.0%
1962 0.192 -6.3%
1963 0.192 +0.0%
1964 0.192 +0.0%
1965 0.257 +33.9%
1966 0.262 +1.9%
1967 0.229 -12.6%
1968 0.229 +0.0%
1969 0.229 +0.0%
1970 0.229 +0.0%
1971 0.229 +0.0%
1972 0.136 -40.6%
1973 0.136 +0.0%
1974 0.136 +0.0%
1975 0.136 +0.0%
1976 0.136 +0.0%
1977 0.136 +0.0%
1978 0.136 +0.0%
1979 0.136 +0.0%
1980 0.183 +34.6%
1981 0.183 +0.0%
1982 0.269 +47.0%
1983 0.269 +0.0%
1984 0.269 +0.0%
1985 0.274 +1.9%
1986 0.311 +13.5%
1987 0.311 +0.0%
1988 0.311 +0.0%
1989 0.314 +1.0%
1990 0.311 -1.0%
1991 0.333 +7.1%
1992 0.345 +3.6%
1993 0.346 +0.3%
1994 0.346 +0.0%
1995 0.378 +9.2%
1996 0.568 +50.3%
1997 0.568 +0.0%
1998 0.568 +0.0%
1999 0.568 +0.0%
2000 0.568 +0.0%
2001 0.568 +0.0%
2002 0.568 +0.0%
2003 0.568 +0.0%
2004 0.568 +0.0%
2005 0.57 +0.4%
2006 0.57 +0.0%
2007 0.57 +0.0%
2008 0.57 +0.0%
2009 0.57 +0.0%
2010 0.564 -1.1%
2011 0.559 -0.9%
2012 0.564 +0.9%
2013 0.567 +0.5%
2014 0.567 +0.0%
2015 0.556 -1.9%
2016 0.561 +0.9%
2017 0.553 -1.4%
2018 0.57 +3.1%
2019 0.564 -1.1%
2020 0.56 -0.7%
2021 0.581 +3.7%
2022 0.553 -4.8%
2023 0.534 -3.4%
2024 0.555 +3.9%
2025 0.558 +0.5%

Tanzania compared with similar countries

  • Tanzania's 0.558 is above the median for lower middle income countries, which is 0.48, 1.2× the median. (46 countries reporting)
  • Tanzania's 0.558 is above the median for Sub-Saharan Africa, which is 0.4895, 1.1× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1910s 0.032 0.032 0.032 6
1920s 0.032 0.032 0.032 10
1930s 0.032 0.032 0.032 10
1940s 0.032 0.032 0.032 10
1950s 0.0483 0.032 0.057 10
1960s 0.2075 0.088 0.262 10
1970s 0.1546 0.136 0.229 10
1980s 0.2694 0.183 0.314 10
1990s 0.4331 0.311 0.568 10
2000s 0.569 0.568 0.57 10
2010s 0.5625 0.553 0.57 10
2020s 0.5568 0.534 0.581 6

Countries ranked near Tanzania

  1. 71 Argentina 0.557 compare
  2. 71 Honduras 0.557 compare
  3. 71 Niger 0.557 compare
  4. 71 Vietnam 0.557 compare

See the full ranking of 176 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is participatory political institutions index in Tanzania?
Participatory political institutions index in Tanzania was 0.558 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest participatory political institutions index recorded in Tanzania?
The highest recorded value was 0.581 in 2021.
What is the lowest participatory political institutions index recorded in Tanzania?
The lowest recorded value was 0.032 in 1914.
How does Tanzania rank for participatory political institutions index?
Tanzania ranks 70th out of 176 countries with data for 2025.
Is participatory political institutions index rising or falling in Tanzania?
Over the last ten years it is up 0.4%. 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 Participatory Political Institutions Index. Statizoid updates them automatically from the source API.

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Participatory Political Institutions Index in Tanzania. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 09 November 2026, from https://reference.statizoid.com/stat/participatory-political-institutions-index/tanzania/

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About this data

Indicator
Participatory Political Institutions Index
Source
V-Dem (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,844 data points, 1789–2025
Last refreshed

Central estimate of the extent to which citizens can engage in regional and local government, civil society organizations, and direct democracy.