Tax revenue vs. Electoral Democracy Index in Tanzania
Tanzania: Tax revenue vs. 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
Tax revenue vs. Electoral Democracy Index in Tanzania, 1915–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
Tanzania recorded 0.365 for tax revenue vs. electoral democracy index in 2025.
That represents a change of down 11.6% on the previous year and down 19.4% over ten years.
Over the whole period, tax revenue vs. electoral democracy index in Tanzania peaked at 0.491 in 1996 and was at its lowest, 0.039, in 1917.
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.
Tax revenue vs. Electoral Democracy Index in Tanzania, year by year
| 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 Tax revenue vs. 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
More economy & growth data for Tanzania
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP 3.67 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 6.5 Percent per annum (2029)
- SDRs holdings, US dollar, annual growth rate -55.52 % change on previous year (2024)
- SDRs holdings, US dollar, per unit of GDP 0.0011 units per US$ of GDP (2025)
- SDRs holdings, US dollar, per capita 1.44 units per person (2025)
- SDRs holdings, SDR, annual growth rate -54.24 % change on previous year (2024)
- SDRs holdings, SDR, per unit of GDP 0.0008 units per US$ of GDP (2025)
- SDRs holdings, SDR, per capita 1.05 units per person (2025)
- IMF holdings of currency, US dollar, annual growth rate 5.01 % change on previous year (2025)
- IMF holdings of currency, US dollar, per unit of GDP 0.0051 units per US$ of GDP (2025)
Frequently asked questions
- What is tax revenue vs. electoral democracy index in Tanzania?
- Tax revenue vs. 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 tax revenue vs. electoral democracy index recorded in Tanzania?
- The highest recorded value was 0.491 in 1996.
- What is the lowest tax revenue vs. electoral democracy index recorded in Tanzania?
- The lowest recorded value was 0.039 in 1917.
- How does Tanzania rank for tax revenue vs. electoral democracy index?
- Tanzania ranks 106th out of 176 countries with data for 2025.
- Is tax revenue vs. 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 Tax revenue vs. Electoral Democracy Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 111 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
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.