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Equal Access to Power Index in Tanzania

Tanzania: Equal Access to Power Index was 0.89 in 2025. ◆ Volatile

Latest (2025)
0.89
Change on year
up 6.3%
World rank
21st
of 176 countries
All-time high
0.93
in 1981
All-time low
0.026
in 1914
Years of data
112
1914–2025

Equal Access to Power Index in Tanzania, 1914–2025

00.20.40.60.81191419692025

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

Analysis

In 2025, equal access to power index in Tanzania stood at 0.89.

The figure is up 6.3% on the previous year and up 7.0% over ten years.

Over the whole period, equal access to power index in Tanzania peaked at 0.93 in 1981 and was at its lowest, 0.026, in 1914.

Tanzania ranks 21st of 176 countries on this measure, in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Equal Access to Power Index in Tanzania, year by year

Year Value Change
1914 0.026 —
1915 0.026 +0.0%
1916 0.026 +0.0%
1917 0.026 +0.0%
1918 0.059 +126.9%
1919 0.059 +0.0%
1920 0.059 +0.0%
1921 0.059 +0.0%
1922 0.059 +0.0%
1923 0.059 +0.0%
1924 0.059 +0.0%
1925 0.059 +0.0%
1926 0.059 +0.0%
1927 0.059 +0.0%
1928 0.059 +0.0%
1929 0.059 +0.0%
1930 0.059 +0.0%
1931 0.059 +0.0%
1932 0.059 +0.0%
1933 0.059 +0.0%
1934 0.059 +0.0%
1935 0.059 +0.0%
1936 0.059 +0.0%
1937 0.059 +0.0%
1938 0.059 +0.0%
1939 0.059 +0.0%
1940 0.059 +0.0%
1941 0.059 +0.0%
1942 0.059 +0.0%
1943 0.059 +0.0%
1944 0.059 +0.0%
1945 0.059 +0.0%
1946 0.059 +0.0%
1947 0.059 +0.0%
1948 0.059 +0.0%
1949 0.059 +0.0%
1950 0.059 +0.0%
1951 0.059 +0.0%
1952 0.059 +0.0%
1953 0.059 +0.0%
1954 0.059 +0.0%
1955 0.067 +13.6%
1956 0.142 +111.9%
1957 0.172 +21.1%
1958 0.215 +25.0%
1959 0.215 +0.0%
1960 0.215 +0.0%
1961 0.877 +307.9%
1962 0.91 +3.8%
1963 0.91 +0.0%
1964 0.91 +0.0%
1965 0.919 +1.0%
1966 0.919 +0.0%
1967 0.919 +0.0%
1968 0.919 +0.0%
1969 0.919 +0.0%
1970 0.919 +0.0%
1971 0.919 +0.0%
1972 0.919 +0.0%
1973 0.919 +0.0%
1974 0.919 +0.0%
1975 0.919 +0.0%
1976 0.919 +0.0%
1977 0.919 +0.0%
1978 0.919 +0.0%
1979 0.919 +0.0%
1980 0.919 +0.0%
1981 0.93 +1.2%
1982 0.93 +0.0%
1983 0.93 +0.0%
1984 0.93 +0.0%
1985 0.891 -4.2%
1986 0.823 -7.6%
1987 0.823 +0.0%
1988 0.823 +0.0%
1989 0.823 +0.0%
1990 0.823 +0.0%
1991 0.823 +0.0%
1992 0.815 -1.0%
1993 0.815 +0.0%
1994 0.815 +0.0%
1995 0.786 -3.6%
1996 0.781 -0.6%
1997 0.781 +0.0%
1998 0.781 +0.0%
1999 0.781 +0.0%
2000 0.775 -0.8%
2001 0.797 +2.8%
2002 0.797 +0.0%
2003 0.797 +0.0%
2004 0.797 +0.0%
2005 0.786 -1.4%
2006 0.786 +0.0%
2007 0.786 +0.0%
2008 0.786 +0.0%
2009 0.786 +0.0%
2010 0.787 +0.1%
2011 0.787 +0.0%
2012 0.787 +0.0%
2013 0.741 -5.8%
2014 0.743 +0.3%
2015 0.832 +12.0%
2016 0.856 +2.9%
2017 0.847 -1.1%
2018 0.834 -1.5%
2019 0.828 -0.7%
2020 0.84 +1.4%
2021 0.852 +1.4%
2022 0.874 +2.6%
2023 0.811 -7.2%
2024 0.837 +3.2%
2025 0.89 +6.3%

Tanzania compared with similar countries

  • Tanzania's 0.89 is above the median for lower middle income countries, which is 0.5685, 1.6× the median. (46 countries reporting)
  • Tanzania's 0.89 is above the median for Sub-Saharan Africa, which is 0.5935, 1.5× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1910s 0.037 0.026 0.059 6
1920s 0.059 0.059 0.059 10
1930s 0.059 0.059 0.059 10
1940s 0.059 0.059 0.059 10
1950s 0.1106 0.059 0.215 10
1960s 0.8417 0.215 0.919 10
1970s 0.919 0.919 0.919 10
1980s 0.8822 0.823 0.93 10
1990s 0.8001 0.781 0.823 10
2000s 0.7893 0.775 0.797 10
2010s 0.8042 0.741 0.856 10
2020s 0.8507 0.811 0.89 6

Countries ranked near Tanzania

  1. 18 Costa Rica 0.9 compare
  2. 19 Jamaica 0.891 compare
  3. 19 Moldova 0.891 compare
  4. 21 Netherlands 0.89 compare
  5. 23 South Korea 0.889 compare
  6. 24 Suriname 0.883 compare

See the full ranking of 176 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is equal access to power index in Tanzania?
Equal access to power index in Tanzania was 0.89 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest equal access to power index recorded in Tanzania?
The highest recorded value was 0.93 in 1981.
What is the lowest equal access to power index recorded in Tanzania?
The lowest recorded value was 0.026 in 1914.
How does Tanzania rank for equal access to power index?
Tanzania ranks 21st out of 176 countries with data for 2025.
Is equal access to power index rising or falling in Tanzania?
Over the last ten years it is up 7.0%. 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 Equal Access to Power 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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Equal Access to Power Index in Tanzania. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/equal-access-to-power-index/tanzania/

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About this data

Indicator
Equal Access to Power Index
Source
V-Dem (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 30,486 data points, 1789–2025
Last refreshed

Central estimate of the extent to which access to power is equal across socioeconomic position, social group, and gender.