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Liberal Political Institutions Index in Iran

Iran: Liberal Political Institutions Index was 0.32 in 2025. ▲ Rising

Latest (2025)
0.32
Change on year
up 21.2%
World rank
133rd
of 176 countries
All-time high
0.457
in 2000
All-time low
0.027
in 1900
Years of data
126
1900–2025

Liberal Political Institutions Index in Iran, 1900–2025

00.10.20.30.40.5190019622025

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

Analysis

The most recent figure for liberal political institutions index in Iran is 0.32, measured in 2025.

That represents a change of up 21.2% on the previous year and down 22.9% over ten years.

Over the whole period, liberal political institutions index in Iran peaked at 0.457 in 2000 and was at its lowest, 0.027, in 1900.

Iran ranks 133rd of 176 countries on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 126 years of available data.

Liberal Political Institutions Index in Iran, year by year

Year Value Change
1900 0.027 —
1901 0.027 +0.0%
1902 0.027 +0.0%
1903 0.027 +0.0%
1904 0.027 +0.0%
1905 0.027 +0.0%
1906 0.088 +225.9%
1907 0.203 +130.7%
1908 0.122 -39.9%
1909 0.068 -44.3%
1910 0.201 +195.6%
1911 0.205 +2.0%
1912 0.058 -71.7%
1913 0.058 +0.0%
1914 0.066 +13.8%
1915 0.198 +200.0%
1916 0.056 -71.7%
1917 0.056 +0.0%
1918 0.056 +0.0%
1919 0.056 +0.0%
1920 0.055 -1.8%
1921 0.055 +0.0%
1922 0.168 +205.5%
1923 0.173 +3.0%
1924 0.166 -4.0%
1925 0.107 -35.5%
1926 0.103 -3.7%
1927 0.106 +2.9%
1928 0.106 +0.0%
1929 0.106 +0.0%
1930 0.106 +0.0%
1931 0.106 +0.0%
1932 0.106 +0.0%
1933 0.106 +0.0%
1934 0.122 +15.1%
1935 0.122 +0.0%
1936 0.122 +0.0%
1937 0.122 +0.0%
1938 0.122 +0.0%
1939 0.122 +0.0%
1940 0.122 +0.0%
1941 0.163 +33.6%
1942 0.279 +71.2%
1943 0.279 +0.0%
1944 0.279 +0.0%
1945 0.312 +11.8%
1946 0.312 +0.0%
1947 0.312 +0.0%
1948 0.312 +0.0%
1949 0.312 +0.0%
1950 0.37 +18.6%
1951 0.376 +1.6%
1952 0.376 +0.0%
1953 0.301 -19.9%
1954 0.232 -22.9%
1955 0.252 +8.6%
1956 0.239 -5.2%
1957 0.239 +0.0%
1958 0.239 +0.0%
1959 0.243 +1.7%
1960 0.247 +1.6%
1961 0.252 +2.0%
1962 0.267 +6.0%
1963 0.269 +0.7%
1964 0.275 +2.2%
1965 0.275 +0.0%
1966 0.275 +0.0%
1967 0.275 +0.0%
1968 0.281 +2.2%
1969 0.281 +0.0%
1970 0.282 +0.4%
1971 0.282 +0.0%
1972 0.282 +0.0%
1973 0.282 +0.0%
1974 0.282 +0.0%
1975 0.277 -1.8%
1976 0.277 +0.0%
1977 0.277 +0.0%
1978 0.276 -0.4%
1979 0.229 -17.0%
1980 0.262 +14.4%
1981 0.316 +20.6%
1982 0.315 -0.3%
1983 0.295 -6.3%
1984 0.306 +3.7%
1985 0.31 +1.3%
1986 0.31 +0.0%
1987 0.31 +0.0%
1988 0.31 +0.0%
1989 0.332 +7.1%
1990 0.35 +5.4%
1991 0.35 +0.0%
1992 0.34 -2.9%
1993 0.371 +9.1%
1994 0.377 +1.6%
1995 0.377 +0.0%
1996 0.382 +1.3%
1997 0.429 +12.3%
1998 0.448 +4.4%
1999 0.448 +0.0%
2000 0.457 +2.0%
2001 0.431 -5.7%
2002 0.431 +0.0%
2003 0.431 +0.0%
2004 0.417 -3.2%
2005 0.395 -5.3%
2006 0.393 -0.5%
2007 0.395 +0.5%
2008 0.394 -0.3%
2009 0.391 -0.8%
2010 0.386 -1.3%
2011 0.388 +0.5%
2012 0.388 +0.0%
2013 0.401 +3.4%
2014 0.4 -0.2%
2015 0.415 +3.7%
2016 0.421 +1.4%
2017 0.411 -2.4%
2018 0.4 -2.7%
2019 0.387 -3.3%
2020 0.373 -3.6%
2021 0.28 -24.9%
2022 0.241 -13.9%
2023 0.231 -4.1%
2024 0.264 +14.3%
2025 0.32 +21.2%

Iran compared with similar countries

  • Iran's 0.32 is below the median for upper middle income countries, which is 0.6145, 52% of the median. (48 countries reporting)
  • Iran's 0.32 is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.354, 90% of the median. (23 countries reporting)

Biggest year-on-year movements

Years where Liberal Political Institutions Index in Iran 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.

YearChange FromTo
1906 +225.9% 0.027 0.088
1922 +205.5% 0.055 0.168
1915 +200.0% 0.066 0.198
1910 +195.6% 0.068 0.201
1907 +130.7% 0.088 0.203
1912 -71.7% 0.205 0.058

Averages by decade

DecadeAverage LowestHighest Years
1900s 0.0643 0.027 0.203 10
1910s 0.101 0.056 0.205 10
1920s 0.1145 0.055 0.173 10
1930s 0.1156 0.106 0.122 10
1940s 0.2682 0.122 0.312 10
1950s 0.2867 0.232 0.376 10
1960s 0.2697 0.247 0.281 10
1970s 0.2746 0.229 0.282 10
1980s 0.3066 0.262 0.332 10
1990s 0.3872 0.34 0.448 10
2000s 0.4135 0.391 0.457 10
2010s 0.3997 0.386 0.421 10
2020s 0.2848 0.231 0.373 6

Countries ranked near Iran

  1. 130 Vietnam 0.332 compare
  2. 131 Kazakhstan 0.326 compare
  3. 132 Eswatini 0.323 compare
  4. 134 Togo 0.315 compare
  5. 135 Algeria 0.305 compare
  6. 136 Comoros 0.297 compare

See the full ranking of 176 places →

More reference data data for Iran

All data for Iran →

Frequently asked questions

What is liberal political institutions index in Iran?
Liberal political institutions index in Iran was 0.32 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest liberal political institutions index recorded in Iran?
The highest recorded value was 0.457 in 2000.
What is the lowest liberal political institutions index recorded in Iran?
The lowest recorded value was 0.027 in 1900.
How does Iran rank for liberal political institutions index?
Iran ranks 133rd out of 176 countries with data for 2025.
Is liberal political institutions index rising or falling in Iran?
Over the last ten years it is down 22.9%. The long-run trend across the full record is rising.
Where does this Iran data come from?
The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Liberal Political Institutions Index. Statizoid updates them automatically from the source API.

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Liberal Political Institutions Index in Iran. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/liberal-political-institutions-index/iran-islamic-rep/

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About this data

Indicator
Liberal Political Institutions Index
Source
V-Dem (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,207 data points, 1789–2025
Last refreshed

Central estimate of the extent of individual and minority rights, equality before the law, and executive constraints.