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
Source: 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.
| Year | Change | From | To |
|---|---|---|---|
| 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
| Decade | Average | Lowest | Highest | 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
More reference data data for Iran
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Direct emissions (N2O) - Crop Residues 5.96 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Burning - Crop residues 281.19 (2050)
- Emission Totals - Direct emissions (N2O) - Agricultural Soils 78.8 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Agricultural Soils 27,934 (2050)
- Emission Totals - Direct emissions (N2O) - Manure applied to Soils 8.15 (2050)
- Emission Totals - Direct emissions (N2O) - IPCC Agriculture 78.8 (2050)
- Emission Totals - Emissions (CH4) - Manure Management 95.57 (2050)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0.2091 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 11.62 (2050)
Frequently asked questions
- What is liberal political institutions index in Iran?
- Liberal political institutions index in Iran was 0.32 in 2025, according to 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 Our World in Data, published as part of Liberal political institutions index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).