Public Sector Corruption Index in Tanzania

Tanzania: Public Sector Corruption Index was 0.24 in 2025. ◆ Volatile

Latest (2025)
0.24
Change on year
up 46.3%
World rank
119th
of 176 countries
All-time high
0.664
in 1914
All-time low
0.024
in 1962
Years of data
112
1914–2025

Public Sector Corruption Index in Tanzania, 1914–2025

00.20.40.6191419692025

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

Analysis

In 2025, public sector corruption index in Tanzania stood at 0.24.

That represents a change of up 46.3% on the previous year and down 34.1% over ten years.

Over the whole period, public sector corruption index in Tanzania peaked at 0.664 in 1914 and was at its lowest, 0.024, in 1962.

That places Tanzania 119th 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.

Public Sector Corruption Index in Tanzania, year by year

Annual values for Public Sector Corruption Index in Tanzania, 1914 to 2025.
Year Value Change
1914 0.664
1915 0.664 +0.0%
1916 0.664 +0.0%
1917 0.664 +0.0%
1918 0.664 +0.0%
1919 0.664 +0.0%
1920 0.664 +0.0%
1921 0.664 +0.0%
1922 0.664 +0.0%
1923 0.664 +0.0%
1924 0.664 +0.0%
1925 0.664 +0.0%
1926 0.664 +0.0%
1927 0.664 +0.0%
1928 0.664 +0.0%
1929 0.664 +0.0%
1930 0.664 +0.0%
1931 0.664 +0.0%
1932 0.664 +0.0%
1933 0.664 +0.0%
1934 0.664 +0.0%
1935 0.664 +0.0%
1936 0.664 +0.0%
1937 0.664 +0.0%
1938 0.664 +0.0%
1939 0.664 +0.0%
1940 0.664 +0.0%
1941 0.664 +0.0%
1942 0.664 +0.0%
1943 0.664 +0.0%
1944 0.664 +0.0%
1945 0.664 +0.0%
1946 0.664 +0.0%
1947 0.664 +0.0%
1948 0.664 +0.0%
1949 0.664 +0.0%
1950 0.664 +0.0%
1951 0.664 +0.0%
1952 0.664 +0.0%
1953 0.664 +0.0%
1954 0.664 +0.0%
1955 0.664 +0.0%
1956 0.664 +0.0%
1957 0.664 +0.0%
1958 0.664 +0.0%
1959 0.664 +0.0%
1960 0.664 +0.0%
1961 0.514 -22.6%
1962 0.024 -95.3%
1963 0.024 +0.0%
1964 0.024 +0.0%
1965 0.024 +0.0%
1966 0.024 +0.0%
1967 0.024 +0.0%
1968 0.024 +0.0%
1969 0.024 +0.0%
1970 0.031 +29.2%
1971 0.031 +0.0%
1972 0.031 +0.0%
1973 0.031 +0.0%
1974 0.031 +0.0%
1975 0.031 +0.0%
1976 0.031 +0.0%
1977 0.031 +0.0%
1978 0.031 +0.0%
1979 0.031 +0.0%
1980 0.055 +77.4%
1981 0.055 +0.0%
1982 0.055 +0.0%
1983 0.055 +0.0%
1984 0.055 +0.0%
1985 0.097 +76.4%
1986 0.14 +44.3%
1987 0.14 +0.0%
1988 0.14 +0.0%
1989 0.14 +0.0%
1990 0.311 +122.1%
1991 0.311 +0.0%
1992 0.311 +0.0%
1993 0.311 +0.0%
1994 0.367 +18.0%
1995 0.415 +13.1%
1996 0.415 +0.0%
1997 0.415 +0.0%
1998 0.415 +0.0%
1999 0.415 +0.0%
2000 0.415 +0.0%
2001 0.415 +0.0%
2002 0.415 +0.0%
2003 0.415 +0.0%
2004 0.415 +0.0%
2005 0.415 +0.0%
2006 0.415 +0.0%
2007 0.415 +0.0%
2008 0.415 +0.0%
2009 0.415 +0.0%
2010 0.415 +0.0%
2011 0.415 +0.0%
2012 0.415 +0.0%
2013 0.45 +8.4%
2014 0.45 +0.0%
2015 0.364 -19.1%
2016 0.243 -33.2%
2017 0.188 -22.6%
2018 0.154 -18.1%
2019 0.154 +0.0%
2020 0.088 -42.9%
2021 0.171 +94.3%
2022 0.151 -11.7%
2023 0.164 +8.6%
2024 0.164 +0.0%
2025 0.24 +46.3%

Tanzania compared with similar countries

  • Tanzania's 0.24 is below the median for lower middle income countries, which is 0.693, 35% of the median. (46 countries reporting)
  • Tanzania's 0.24 is below the median for Sub-Saharan Africa, which is 0.692, 35% of the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1910s 0.664 0.664 0.664 6
1920s 0.664 0.664 0.664 10
1930s 0.664 0.664 0.664 10
1940s 0.664 0.664 0.664 10
1950s 0.664 0.664 0.664 10
1960s 0.137 0.024 0.664 10
1970s 0.031 0.031 0.031 10
1980s 0.0932 0.055 0.14 10
1990s 0.3686 0.311 0.415 10
2000s 0.415 0.415 0.415 10
2010s 0.3248 0.154 0.45 10
2020s 0.163 0.088 0.24 6

Countries ranked near Tanzania

  1. 116 Belarus 0.264 compare
  2. 117 Peru 0.243 compare
  3. 118 Brazil 0.242 compare
  4. 120 Malaysia 0.236 compare
  5. 121 Georgia 0.235 compare
  6. 122 East Timor 0.233 compare

See the full ranking of 176 places →

More social development data for Tanzania

All data for Tanzania →

Frequently asked questions

What is public sector corruption index in Tanzania?
Public sector corruption index in Tanzania was 0.24 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest public sector corruption index recorded in Tanzania?
The highest recorded value was 0.664 in 1914.
What is the lowest public sector corruption index recorded in Tanzania?
The lowest recorded value was 0.024 in 1962.
How does Tanzania rank for public sector corruption index?
Tanzania ranks 119th out of 176 countries with data for 2025.
Is public sector corruption index rising or falling in Tanzania?
Over the last ten years it is down 34.1%. 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 Public Sector Corruption Index. Statizoid updates them automatically from the source API.

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Public Sector Corruption Index in Tanzania. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 23 September 2026, from https://social-development.statizoid.com/stat/public-sector-corruption-index/tanzania/

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About this data

Indicator
Public Sector Corruption Index
Source
V-Dem (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 25,541 data points, 1789–2025
Last refreshed

Data by V-Dem. Expert estimates of the extent to which public sector employees engage in bribery and theft. The index ranges from 0 to 1 (highly corrupt).