Executive Corruption Index in Tanzania
Tanzania: Executive Corruption Index was 0.206 in 2025. ◆ Volatile
Executive Corruption Index in Tanzania, 1914–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
Tanzania recorded 0.206 for executive corruption index in 2025.
That represents a change of down 23.7% over ten years.
Over the whole period, executive corruption index in Tanzania peaked at 0.623 in 1914 and was at its lowest, 0.029, in 1962.
Tanzania ranks 129th 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.
Executive Corruption Index in Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 1914 | 0.623 | — |
| 1915 | 0.623 | +0.0% |
| 1916 | 0.623 | +0.0% |
| 1917 | 0.623 | +0.0% |
| 1918 | 0.623 | +0.0% |
| 1919 | 0.623 | +0.0% |
| 1920 | 0.623 | +0.0% |
| 1921 | 0.623 | +0.0% |
| 1922 | 0.623 | +0.0% |
| 1923 | 0.623 | +0.0% |
| 1924 | 0.623 | +0.0% |
| 1925 | 0.623 | +0.0% |
| 1926 | 0.623 | +0.0% |
| 1927 | 0.623 | +0.0% |
| 1928 | 0.623 | +0.0% |
| 1929 | 0.623 | +0.0% |
| 1930 | 0.623 | +0.0% |
| 1931 | 0.623 | +0.0% |
| 1932 | 0.623 | +0.0% |
| 1933 | 0.623 | +0.0% |
| 1934 | 0.623 | +0.0% |
| 1935 | 0.623 | +0.0% |
| 1936 | 0.623 | +0.0% |
| 1937 | 0.623 | +0.0% |
| 1938 | 0.623 | +0.0% |
| 1939 | 0.623 | +0.0% |
| 1940 | 0.623 | +0.0% |
| 1941 | 0.623 | +0.0% |
| 1942 | 0.623 | +0.0% |
| 1943 | 0.623 | +0.0% |
| 1944 | 0.623 | +0.0% |
| 1945 | 0.623 | +0.0% |
| 1946 | 0.623 | +0.0% |
| 1947 | 0.623 | +0.0% |
| 1948 | 0.623 | +0.0% |
| 1949 | 0.623 | +0.0% |
| 1950 | 0.623 | +0.0% |
| 1951 | 0.623 | +0.0% |
| 1952 | 0.623 | +0.0% |
| 1953 | 0.623 | +0.0% |
| 1954 | 0.623 | +0.0% |
| 1955 | 0.623 | +0.0% |
| 1956 | 0.623 | +0.0% |
| 1957 | 0.623 | +0.0% |
| 1958 | 0.623 | +0.0% |
| 1959 | 0.623 | +0.0% |
| 1960 | 0.623 | +0.0% |
| 1961 | 0.454 | -27.1% |
| 1962 | 0.029 | -93.6% |
| 1963 | 0.029 | +0.0% |
| 1964 | 0.041 | +41.4% |
| 1965 | 0.041 | +0.0% |
| 1966 | 0.041 | +0.0% |
| 1967 | 0.041 | +0.0% |
| 1968 | 0.041 | +0.0% |
| 1969 | 0.041 | +0.0% |
| 1970 | 0.059 | +43.9% |
| 1971 | 0.059 | +0.0% |
| 1972 | 0.059 | +0.0% |
| 1973 | 0.059 | +0.0% |
| 1974 | 0.059 | +0.0% |
| 1975 | 0.059 | +0.0% |
| 1976 | 0.059 | +0.0% |
| 1977 | 0.059 | +0.0% |
| 1978 | 0.059 | +0.0% |
| 1979 | 0.059 | +0.0% |
| 1980 | 0.059 | +0.0% |
| 1981 | 0.059 | +0.0% |
| 1982 | 0.059 | +0.0% |
| 1983 | 0.059 | +0.0% |
| 1984 | 0.059 | +0.0% |
| 1985 | 0.102 | +72.9% |
| 1986 | 0.376 | +268.6% |
| 1987 | 0.376 | +0.0% |
| 1988 | 0.376 | +0.0% |
| 1989 | 0.376 | +0.0% |
| 1990 | 0.376 | +0.0% |
| 1991 | 0.376 | +0.0% |
| 1992 | 0.376 | +0.0% |
| 1993 | 0.416 | +10.6% |
| 1994 | 0.416 | +0.0% |
| 1995 | 0.374 | -10.1% |
| 1996 | 0.374 | +0.0% |
| 1997 | 0.374 | +0.0% |
| 1998 | 0.374 | +0.0% |
| 1999 | 0.374 | +0.0% |
| 2000 | 0.374 | +0.0% |
| 2001 | 0.374 | +0.0% |
| 2002 | 0.374 | +0.0% |
| 2003 | 0.374 | +0.0% |
| 2004 | 0.374 | +0.0% |
| 2005 | 0.374 | +0.0% |
| 2006 | 0.345 | -7.8% |
| 2007 | 0.345 | +0.0% |
| 2008 | 0.345 | +0.0% |
| 2009 | 0.345 | +0.0% |
| 2010 | 0.345 | +0.0% |
| 2011 | 0.345 | +0.0% |
| 2012 | 0.345 | +0.0% |
| 2013 | 0.321 | -7.0% |
| 2014 | 0.321 | +0.0% |
| 2015 | 0.27 | -15.9% |
| 2016 | 0.189 | -30.0% |
| 2017 | 0.18 | -4.8% |
| 2018 | 0.139 | -22.8% |
| 2019 | 0.17 | +22.3% |
| 2020 | 0.191 | +12.4% |
| 2021 | 0.191 | +0.0% |
| 2022 | 0.185 | -3.1% |
| 2023 | 0.206 | +11.4% |
| 2024 | 0.206 | +0.0% |
| 2025 | 0.206 | +0.0% |
Tanzania compared with similar countries
- Tanzania's 0.206 is below the median for lower middle income countries, which is 0.6485, 32% of the median. (46 countries reporting)
- Tanzania's 0.206 is below the median for Sub-Saharan Africa, which is 0.6845, 30% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 0.623 | 0.623 | 0.623 | 6 |
| 1920s | 0.623 | 0.623 | 0.623 | 10 |
| 1930s | 0.623 | 0.623 | 0.623 | 10 |
| 1940s | 0.623 | 0.623 | 0.623 | 10 |
| 1950s | 0.623 | 0.623 | 0.623 | 10 |
| 1960s | 0.1381 | 0.029 | 0.623 | 10 |
| 1970s | 0.059 | 0.059 | 0.059 | 10 |
| 1980s | 0.1901 | 0.059 | 0.376 | 10 |
| 1990s | 0.383 | 0.374 | 0.416 | 10 |
| 2000s | 0.3624 | 0.345 | 0.374 | 10 |
| 2010s | 0.2625 | 0.139 | 0.345 | 10 |
| 2020s | 0.1975 | 0.185 | 0.206 | 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 executive corruption index in Tanzania?
- Executive corruption index in Tanzania was 0.206 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest executive corruption index recorded in Tanzania?
- The highest recorded value was 0.623 in 1914.
- What is the lowest executive corruption index recorded in Tanzania?
- The lowest recorded value was 0.029 in 1962.
- How does Tanzania rank for executive corruption index?
- Tanzania ranks 129th out of 176 countries with data for 2025.
- Is executive corruption index rising or falling in Tanzania?
- Over the last ten years it is down 23.7%. 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 Executive Corruption 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
Data by V-Dem. Expert estimates of the extent to which high-ranking members of the executive, such as the head of government or cabinet ministers, engage in bribery and theft. The index ranges from 0 to 1 (highly corrupt).