Freedom of Association Index in Tanzania
Tanzania: Freedom of Association Index was 0.616 in 2025. ◆ Volatile
Freedom of Association Index in Tanzania, 1914–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
In 2025, freedom of association index in Tanzania stood at 0.616.
The figure is down 11.4% on the previous year and down 12.1% over ten years.
Over the whole period, freedom of association index in Tanzania peaked at 0.757 in 2000 and was at its lowest, 0.1, in 1914.
That places Tanzania 100th 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.
Freedom of Association Index in Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 1914 | 0.1 | — |
| 1915 | 0.1 | +0.0% |
| 1916 | 0.1 | +0.0% |
| 1917 | 0.1 | +0.0% |
| 1918 | 0.1 | +0.0% |
| 1919 | 0.1 | +0.0% |
| 1920 | 0.1 | +0.0% |
| 1921 | 0.1 | +0.0% |
| 1922 | 0.1 | +0.0% |
| 1923 | 0.1 | +0.0% |
| 1924 | 0.1 | +0.0% |
| 1925 | 0.1 | +0.0% |
| 1926 | 0.1 | +0.0% |
| 1927 | 0.1 | +0.0% |
| 1928 | 0.1 | +0.0% |
| 1929 | 0.1 | +0.0% |
| 1930 | 0.108 | +8.0% |
| 1931 | 0.108 | +0.0% |
| 1932 | 0.108 | +0.0% |
| 1933 | 0.108 | +0.0% |
| 1934 | 0.108 | +0.0% |
| 1935 | 0.108 | +0.0% |
| 1936 | 0.108 | +0.0% |
| 1937 | 0.108 | +0.0% |
| 1938 | 0.108 | +0.0% |
| 1939 | 0.108 | +0.0% |
| 1940 | 0.108 | +0.0% |
| 1941 | 0.108 | +0.0% |
| 1942 | 0.108 | +0.0% |
| 1943 | 0.108 | +0.0% |
| 1944 | 0.108 | +0.0% |
| 1945 | 0.108 | +0.0% |
| 1946 | 0.108 | +0.0% |
| 1947 | 0.108 | +0.0% |
| 1948 | 0.108 | +0.0% |
| 1949 | 0.108 | +0.0% |
| 1950 | 0.108 | +0.0% |
| 1951 | 0.108 | +0.0% |
| 1952 | 0.108 | +0.0% |
| 1953 | 0.108 | +0.0% |
| 1954 | 0.162 | +50.0% |
| 1955 | 0.198 | +22.2% |
| 1956 | 0.219 | +10.6% |
| 1957 | 0.219 | +0.0% |
| 1958 | 0.373 | +70.3% |
| 1959 | 0.42 | +12.6% |
| 1960 | 0.423 | +0.7% |
| 1961 | 0.554 | +31.0% |
| 1962 | 0.42 | -24.2% |
| 1963 | 0.323 | -23.1% |
| 1964 | 0.301 | -6.8% |
| 1965 | 0.181 | -39.9% |
| 1966 | 0.146 | -19.3% |
| 1967 | 0.139 | -4.8% |
| 1968 | 0.126 | -9.4% |
| 1969 | 0.126 | +0.0% |
| 1970 | 0.126 | +0.0% |
| 1971 | 0.128 | +1.6% |
| 1972 | 0.128 | +0.0% |
| 1973 | 0.128 | +0.0% |
| 1974 | 0.128 | +0.0% |
| 1975 | 0.128 | +0.0% |
| 1976 | 0.126 | -1.6% |
| 1977 | 0.126 | +0.0% |
| 1978 | 0.126 | +0.0% |
| 1979 | 0.126 | +0.0% |
| 1980 | 0.13 | +3.2% |
| 1981 | 0.134 | +3.1% |
| 1982 | 0.156 | +16.4% |
| 1983 | 0.156 | +0.0% |
| 1984 | 0.156 | +0.0% |
| 1985 | 0.159 | +1.9% |
| 1986 | 0.165 | +3.8% |
| 1987 | 0.165 | +0.0% |
| 1988 | 0.165 | +0.0% |
| 1989 | 0.165 | +0.0% |
| 1990 | 0.204 | +23.6% |
| 1991 | 0.219 | +7.4% |
| 1992 | 0.496 | +126.5% |
| 1993 | 0.52 | +4.8% |
| 1994 | 0.52 | +0.0% |
| 1995 | 0.674 | +29.6% |
| 1996 | 0.756 | +12.2% |
| 1997 | 0.756 | +0.0% |
| 1998 | 0.756 | +0.0% |
| 1999 | 0.756 | +0.0% |
| 2000 | 0.757 | +0.1% |
| 2001 | 0.757 | +0.0% |
| 2002 | 0.757 | +0.0% |
| 2003 | 0.757 | +0.0% |
| 2004 | 0.757 | +0.0% |
| 2005 | 0.74 | -2.2% |
| 2006 | 0.736 | -0.5% |
| 2007 | 0.736 | +0.0% |
| 2008 | 0.738 | +0.3% |
| 2009 | 0.738 | +0.0% |
| 2010 | 0.739 | +0.1% |
| 2011 | 0.736 | -0.4% |
| 2012 | 0.736 | +0.0% |
| 2013 | 0.717 | -2.6% |
| 2014 | 0.717 | +0.0% |
| 2015 | 0.701 | -2.2% |
| 2016 | 0.669 | -4.6% |
| 2017 | 0.634 | -5.2% |
| 2018 | 0.625 | -1.4% |
| 2019 | 0.611 | -2.2% |
| 2020 | 0.613 | +0.3% |
| 2021 | 0.605 | -1.3% |
| 2022 | 0.639 | +5.6% |
| 2023 | 0.702 | +9.9% |
| 2024 | 0.695 | -1.0% |
| 2025 | 0.616 | -11.4% |
Tanzania compared with similar countries
- Tanzania's 0.616 is above the median for lower middle income countries, which is 0.567, 1.1× the median. (46 countries reporting)
- Tanzania's 0.616 is above the median for Sub-Saharan Africa, which is 0.5515, 1.1× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 0.1 | 0.1 | 0.1 | 6 |
| 1920s | 0.1 | 0.1 | 0.1 | 10 |
| 1930s | 0.108 | 0.108 | 0.108 | 10 |
| 1940s | 0.108 | 0.108 | 0.108 | 10 |
| 1950s | 0.2023 | 0.108 | 0.42 | 10 |
| 1960s | 0.2739 | 0.126 | 0.554 | 10 |
| 1970s | 0.127 | 0.126 | 0.128 | 10 |
| 1980s | 0.1551 | 0.13 | 0.165 | 10 |
| 1990s | 0.5657 | 0.204 | 0.756 | 10 |
| 2000s | 0.7473 | 0.736 | 0.757 | 10 |
| 2010s | 0.6885 | 0.611 | 0.739 | 10 |
| 2020s | 0.645 | 0.605 | 0.702 | 6 |
Countries ranked near Tanzania
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)
Frequently asked questions
- What is freedom of association index in Tanzania?
- Freedom of association index in Tanzania was 0.616 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest freedom of association index recorded in Tanzania?
- The highest recorded value was 0.757 in 2000.
- What is the lowest freedom of association index recorded in Tanzania?
- The lowest recorded value was 0.1 in 1914.
- How does Tanzania rank for freedom of association index?
- Tanzania ranks 100th out of 176 countries with data for 2025.
- Is freedom of association index rising or falling in Tanzania?
- Over the last ten years it is down 12.1%. 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 Freedom of Association 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 parties, including opposition parties, are allowed to form and participate in elections and the extent to which civil society organizations are allowed to form and operate freely.