Varieties democracy vdem, annual growth rate in Tanzania
Tanzania: Varieties democracy vdem, annual growth rate was -11.62 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-11.62 % change on previous year
Change on year
down 1,288.4%
World rank
167th
of 176 countries
All-time high
52.78 % change on previous year
in 1958
All-time low
-15.41 % change on previous year
in 1965
Years of data
110
1916–2025
Varieties democracy vdem, annual growth rate in Tanzania, 1916–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for varieties democracy vdem, annual growth rate in Tanzania is -11.62 % change on previous year, measured in 2025.
That represents a change of down 1,288.4% on the previous year and down 287.7% over ten years.
Over the whole period, varieties democracy vdem, annual growth rate in Tanzania peaked at 52.78 % change on previous year in 1958 and was at its lowest, -15.41 % change on previous year, in 1965.
Tanzania ranks 167th of 176 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Varieties democracy vdem, annual growth rate in Tanzania, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1916 | 0 % change on previous year | — |
| 1917 | -11.36 % change on previous year | — |
| 1918 | 0 % change on previous year | -100.0% |
| 1919 | 12.82 % change on previous year | — |
| 1920 | 2.27 % change on previous year | -82.3% |
| 1921 | 0 % change on previous year | -100.0% |
| 1922 | 0 % change on previous year | — |
| 1923 | 0 % change on previous year | — |
| 1924 | 0 % change on previous year | — |
| 1925 | 0 % change on previous year | — |
| 1926 | 0 % change on previous year | — |
| 1927 | 0 % change on previous year | — |
| 1928 | 0 % change on previous year | — |
| 1929 | 0 % change on previous year | — |
| 1930 | 4.44 % change on previous year | — |
| 1931 | 0 % change on previous year | -100.0% |
| 1932 | 0 % change on previous year | — |
| 1933 | 0 % change on previous year | — |
| 1934 | 0 % change on previous year | — |
| 1935 | 0 % change on previous year | — |
| 1936 | 0 % change on previous year | — |
| 1937 | 0 % change on previous year | — |
| 1938 | 10.64 % change on previous year | — |
| 1939 | 0 % change on previous year | -100.0% |
| 1940 | 0 % change on previous year | — |
| 1941 | 0 % change on previous year | — |
| 1942 | 0 % change on previous year | — |
| 1943 | 0 % change on previous year | — |
| 1944 | 0 % change on previous year | — |
| 1945 | 0 % change on previous year | — |
| 1946 | 0 % change on previous year | — |
| 1947 | 0 % change on previous year | — |
| 1948 | 0 % change on previous year | — |
| 1949 | 0 % change on previous year | — |
| 1950 | 0 % change on previous year | — |
| 1951 | 9.62 % change on previous year | — |
| 1952 | 0 % change on previous year | -100.0% |
| 1953 | 0 % change on previous year | — |
| 1954 | 10.53 % change on previous year | — |
| 1955 | 9.52 % change on previous year | -9.5% |
| 1956 | 4.35 % change on previous year | -54.3% |
| 1957 | 0 % change on previous year | -100.0% |
| 1958 | 52.78 % change on previous year | — |
| 1959 | 40.91 % change on previous year | -22.5% |
| 1960 | 6.45 % change on previous year | -84.2% |
| 1961 | 27.27 % change on previous year | +322.7% |
| 1962 | 17.14 % change on previous year | -37.1% |
| 1963 | 31.71 % change on previous year | +85.0% |
| 1964 | -1.85 % change on previous year | -105.8% |
| 1965 | -15.41 % change on previous year | +732.1% |
| 1966 | -5.58 % change on previous year | -63.8% |
| 1967 | -3.54 % change on previous year | -36.5% |
| 1968 | -0.8163 % change on previous year | -77.0% |
| 1969 | 0 % change on previous year | -100.0% |
| 1970 | -0.4115 % change on previous year | — |
| 1971 | 0 % change on previous year | -100.0% |
| 1972 | 0 % change on previous year | — |
| 1973 | 0 % change on previous year | — |
| 1974 | 0 % change on previous year | — |
| 1975 | 0 % change on previous year | — |
| 1976 | -0.4132 % change on previous year | — |
| 1977 | 0.8299 % change on previous year | -300.8% |
| 1978 | 0 % change on previous year | -100.0% |
| 1979 | 0 % change on previous year | — |
| 1980 | -0.4115 % change on previous year | — |
| 1981 | 0.8264 % change on previous year | -300.8% |
| 1982 | 1.64 % change on previous year | +98.4% |
| 1983 | 0 % change on previous year | -100.0% |
| 1984 | 0 % change on previous year | — |
| 1985 | 3.23 % change on previous year | — |
| 1986 | 2.73 % change on previous year | -15.2% |
| 1987 | 1.52 % change on previous year | -44.4% |
| 1988 | 0 % change on previous year | -100.0% |
| 1989 | 0 % change on previous year | — |
| 1990 | 7.49 % change on previous year | — |
| 1991 | 2.44 % change on previous year | -67.4% |
| 1992 | 33.67 % change on previous year | +1280.6% |
| 1993 | 2.29 % change on previous year | -93.2% |
| 1994 | 2.99 % change on previous year | +30.3% |
| 1995 | 14.25 % change on previous year | +377.4% |
| 1996 | 3.81 % change on previous year | -73.3% |
| 1997 | 0 % change on previous year | -100.0% |
| 1998 | 0 % change on previous year | — |
| 1999 | 0 % change on previous year | — |
| 2000 | -2.85 % change on previous year | — |
| 2001 | -7.76 % change on previous year | +172.0% |
| 2002 | 0 % change on previous year | -100.0% |
| 2003 | 0 % change on previous year | — |
| 2004 | 0 % change on previous year | — |
| 2005 | -2.5 % change on previous year | — |
| 2006 | 8.39 % change on previous year | -435.7% |
| 2007 | -0.6452 % change on previous year | -107.7% |
| 2008 | 0.4329 % change on previous year | -167.1% |
| 2009 | 0.2155 % change on previous year | -50.2% |
| 2010 | 0.4301 % change on previous year | +99.6% |
| 2011 | 2.14 % change on previous year | +397.9% |
| 2012 | -0.4193 % change on previous year | -119.6% |
| 2013 | -1.05 % change on previous year | +151.1% |
| 2014 | -0.6383 % change on previous year | -39.4% |
| 2015 | -3 % change on previous year | +369.7% |
| 2016 | -9.71 % change on previous year | +224.0% |
| 2017 | -1.96 % change on previous year | -79.9% |
| 2018 | -3.99 % change on previous year | +104.0% |
| 2019 | -0.5195 % change on previous year | -87.0% |
| 2020 | 0 % change on previous year | -100.0% |
| 2021 | -4.44 % change on previous year | — |
| 2022 | 8.47 % change on previous year | -290.8% |
| 2023 | 3.02 % change on previous year | -64.3% |
| 2024 | 0.978 % change on previous year | -67.6% |
| 2025 | -11.62 % change on previous year | -1288.4% |
Tanzania compared with similar countries
- Tanzania's -11.62 % change on previous year is below the median for Sub-Saharan Africa, which is -0.7123 % change on previous year, 16.3× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Varieties democracy vdem, annual growth rate 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 |
|---|---|---|---|
| 1992 | +1280.6% | 2.44 % change on previous year | 33.67 % change on previous year |
| 2025 | -1288.4% | 0.978 % change on previous year | -11.62 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 0.3642 % change on previous year | -11.36 % change on previous year | 12.82 % change on previous year | 4 |
| 1920s | 0.2273 % change on previous year | 0 % change on previous year | 2.27 % change on previous year | 10 |
| 1930s | 1.51 % change on previous year | 0 % change on previous year | 10.64 % change on previous year | 10 |
| 1940s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | 10 |
| 1950s | 12.77 % change on previous year | 0 % change on previous year | 52.78 % change on previous year | 10 |
| 1960s | 5.54 % change on previous year | -15.41 % change on previous year | 31.71 % change on previous year | 10 |
| 1970s | 0.0005 % change on previous year | -0.4132 % change on previous year | 0.8299 % change on previous year | 10 |
| 1980s | 0.9535 % change on previous year | -0.4115 % change on previous year | 3.23 % change on previous year | 10 |
| 1990s | 6.69 % change on previous year | 0 % change on previous year | 33.67 % change on previous year | 10 |
| 2000s | -0.4713 % change on previous year | -7.76 % change on previous year | 8.39 % change on previous year | 10 |
| 2010s | -1.87 % change on previous year | -9.71 % change on previous year | 2.14 % change on previous year | 10 |
| 2020s | -0.5984 % change on previous year | -11.62 % change on previous year | 8.47 % change on previous year | 6 |
Countries ranked near Tanzania
- 164 Madagascar -10.42 % change on previous year compare
- 165 Syria -10.49 % change on previous year compare
- 166 Moldova -11.09 % change on previous year compare
- 168 United States -12.81 % change on previous year compare
- 169 Burkina Faso -12.99 % change on previous year compare
- 170 Bangladesh -13.33 % change on previous year compare
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 varieties democracy vdem, annual growth rate in Tanzania?
- Varieties democracy vdem, annual growth rate in Tanzania was -11.62 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest varieties democracy vdem, annual growth rate recorded in Tanzania?
- The highest recorded value was 52.78 % change on previous year in 1958.
- What is the lowest varieties democracy vdem, annual growth rate recorded in Tanzania?
- The lowest recorded value was -15.41 % change on previous year in 1965.
- How does Tanzania rank for varieties democracy vdem, annual growth rate?
- Tanzania ranks 167th out of 176 countries with data for 2025.
- Is varieties democracy vdem, annual growth rate rising or falling in Tanzania?
- Over the last ten years it is down 287.7%. The long-run trend across the full record is volatile.
- Where does this Tanzania data come from?
- The figures come from Statizoid (derived), published as part of Varieties democracy vdem, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 110 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Varieties democracy vdem. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Varieties of democracy V-Dem (2026) – processed by Our World in Data
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
The year-on-year percentage change in Varieties democracy vdem. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.