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Clientelism index in Tanzania

Tanzania: Clientelism index was 0.454 in 2025. ▼ Falling

Latest (2025)
0.454
Change on year
down 17.5%
World rank
95th
of 176 countries
All-time high
0.658
in 1955
All-time low
0.254
in 1981
Years of data
112
1914–2025

Clientelism index in Tanzania, 1914–2025

00.20.40.6191419692025

Source: Our World in Data.

Analysis

Tanzania recorded 0.454 for clientelism index in 2025.

Compared with earlier readings it is down 17.5% on the previous year and down 10.8% over ten years.

Over the whole period, clientelism index in Tanzania peaked at 0.658 in 1955 and was at its lowest, 0.254, in 1981.

Tanzania ranks 95th of 176 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 112 years of available data.

Clientelism index in Tanzania, year by year

Year Value Change
1914 0.612 —
1915 0.612 +0.0%
1916 0.612 +0.0%
1917 0.612 +0.0%
1918 0.612 +0.0%
1919 0.612 +0.0%
1920 0.612 +0.0%
1921 0.612 +0.0%
1922 0.612 +0.0%
1923 0.612 +0.0%
1924 0.612 +0.0%
1925 0.612 +0.0%
1926 0.612 +0.0%
1927 0.612 +0.0%
1928 0.612 +0.0%
1929 0.612 +0.0%
1930 0.612 +0.0%
1931 0.612 +0.0%
1932 0.612 +0.0%
1933 0.612 +0.0%
1934 0.612 +0.0%
1935 0.612 +0.0%
1936 0.612 +0.0%
1937 0.612 +0.0%
1938 0.612 +0.0%
1939 0.612 +0.0%
1940 0.612 +0.0%
1941 0.612 +0.0%
1942 0.612 +0.0%
1943 0.612 +0.0%
1944 0.612 +0.0%
1945 0.612 +0.0%
1946 0.612 +0.0%
1947 0.612 +0.0%
1948 0.612 +0.0%
1949 0.612 +0.0%
1950 0.612 +0.0%
1951 0.612 +0.0%
1952 0.612 +0.0%
1953 0.612 +0.0%
1954 0.612 +0.0%
1955 0.658 +7.5%
1956 0.505 -23.3%
1957 0.505 +0.0%
1958 0.487 -3.6%
1959 0.449 -7.8%
1960 0.415 -7.6%
1961 0.305 -26.5%
1962 0.336 +10.2%
1963 0.327 -2.7%
1964 0.327 +0.0%
1965 0.308 -5.8%
1966 0.324 +5.2%
1967 0.262 -19.1%
1968 0.262 +0.0%
1969 0.262 +0.0%
1970 0.262 +0.0%
1971 0.263 +0.4%
1972 0.263 +0.0%
1973 0.263 +0.0%
1974 0.263 +0.0%
1975 0.262 -0.4%
1976 0.256 -2.3%
1977 0.256 +0.0%
1978 0.256 +0.0%
1979 0.256 +0.0%
1980 0.255 -0.4%
1981 0.254 -0.4%
1982 0.254 +0.0%
1983 0.254 +0.0%
1984 0.254 +0.0%
1985 0.291 +14.6%
1986 0.288 -1.0%
1987 0.288 +0.0%
1988 0.288 +0.0%
1989 0.288 +0.0%
1990 0.296 +2.8%
1991 0.289 -2.4%
1992 0.357 +23.5%
1993 0.357 +0.0%
1994 0.357 +0.0%
1995 0.366 +2.5%
1996 0.476 +30.1%
1997 0.476 +0.0%
1998 0.476 +0.0%
1999 0.476 +0.0%
2000 0.475 -0.2%
2001 0.469 -1.3%
2002 0.469 +0.0%
2003 0.469 +0.0%
2004 0.469 +0.0%
2005 0.499 +6.4%
2006 0.507 +1.6%
2007 0.507 +0.0%
2008 0.507 +0.0%
2009 0.507 +0.0%
2010 0.507 +0.0%
2011 0.507 +0.0%
2012 0.507 +0.0%
2013 0.503 -0.8%
2014 0.503 +0.0%
2015 0.509 +1.2%
2016 0.523 +2.8%
2017 0.499 -4.6%
2018 0.544 +9.0%
2019 0.523 -3.9%
2020 0.583 +11.5%
2021 0.491 -15.8%
2022 0.53 +7.9%
2023 0.55 +3.8%
2024 0.55 +0.0%
2025 0.454 -17.5%

Tanzania compared with similar countries

  • Tanzania's 0.454 is below the median for lower middle income countries, which is 0.6325, 72% of the median. (46 countries reporting)
  • Tanzania's 0.454 is below the median for Sub-Saharan Africa, which is 0.6135, 74% of the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1910s 0.612 0.612 0.612 6
1920s 0.612 0.612 0.612 10
1930s 0.612 0.612 0.612 10
1940s 0.612 0.612 0.612 10
1950s 0.5664 0.449 0.658 10
1960s 0.3128 0.262 0.415 10
1970s 0.26 0.256 0.263 10
1980s 0.2714 0.254 0.291 10
1990s 0.3926 0.289 0.476 10
2000s 0.4878 0.469 0.507 10
2010s 0.5125 0.499 0.544 10
2020s 0.5263 0.454 0.583 6

Countries ranked near Tanzania

  1. 92 Mexico 0.479 compare
  2. 93 Hong Kong 0.478 compare
  3. 94 United Arab Emirates 0.457 compare
  4. 95 Gabon 0.454 compare
  5. 97 India 0.453 compare
  6. 98 Nepal 0.45 compare

See the full ranking of 176 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is clientelism index in Tanzania?
Clientelism index in Tanzania was 0.454 in 2025, according to Our World in Data.
What is the highest clientelism index recorded in Tanzania?
The highest recorded value was 0.658 in 1955.
What is the lowest clientelism index recorded in Tanzania?
The lowest recorded value was 0.254 in 1981.
How does Tanzania rank for clientelism index?
Tanzania ranks 95th out of 176 countries with data for 2025.
Is clientelism index rising or falling in Tanzania?
Over the last ten years it is down 10.8%. The long-run trend across the full record is falling.
Where does this Tanzania data come from?
The figures come from Our World in Data, published as part of Clientelism index. Statizoid updates them automatically from the source API.

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CSV · JSON — 112 observations, free to reuse under CC BY 4.0 (Our World in Data).

Relationships involving this indicator

Comparisons with other indicators across countries. Each was re-measured with population and national income held constant, so a relationship that only reflected country size is not listed here.

All correlations →

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Clientelism index in Tanzania. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/clientelism-index/tanzania/

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About this data

Indicator
Clientelism index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 24,366 data points, 1789–2025
Last refreshed