Political Polarization Score in Iran
Iran: Political Polarization Score was 1.05 in 2025. ◆ Volatile
Latest (2025)
1.05
Change on year
unchanged
World rank
55th
of 174 countries
All-time high
1.96
in 1964
All-time low
-0.682
in 1944
Years of data
126
1900–2025
Political Polarization Score in Iran, 1900–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
The most recent figure for political polarization score in Iran is 1.05, measured in 2025.
That represents a change of up 25.5% over ten years.
Over the whole period, political polarization score in Iran peaked at 1.96 in 1964 and was at its lowest, -0.682, in 1944.
That places Iran 55th out of 174 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.
Political Polarization Score in Iran, year by year
| Year | Value | Change |
|---|---|---|
| 1900 | 1.45 | — |
| 1901 | 1.45 | +0.0% |
| 1902 | 1.45 | +0.0% |
| 1903 | 1.45 | +0.0% |
| 1904 | 1.45 | +0.0% |
| 1905 | 1.45 | +0.0% |
| 1906 | 1.45 | +0.0% |
| 1907 | 1.45 | +0.0% |
| 1908 | 1.45 | +0.0% |
| 1909 | 1.45 | +0.0% |
| 1910 | 1.45 | +0.0% |
| 1911 | 1.45 | +0.0% |
| 1912 | 0.133 | -90.8% |
| 1913 | 0.133 | +0.0% |
| 1914 | 0.133 | +0.0% |
| 1915 | 0.133 | +0.0% |
| 1916 | 0.133 | +0.0% |
| 1917 | 0.133 | +0.0% |
| 1918 | 0.133 | +0.0% |
| 1919 | 0.133 | +0.0% |
| 1920 | 0.133 | +0.0% |
| 1921 | 0.949 | +613.5% |
| 1922 | 0.949 | +0.0% |
| 1923 | 0.949 | +0.0% |
| 1924 | 1.42 | +49.9% |
| 1925 | 1.42 | +0.0% |
| 1926 | 1.42 | +0.0% |
| 1927 | 1.42 | +0.0% |
| 1928 | 1.42 | +0.0% |
| 1929 | 1.42 | +0.0% |
| 1930 | 1.42 | +0.0% |
| 1931 | 1.42 | +0.0% |
| 1932 | 1.42 | +0.0% |
| 1933 | 1.42 | +0.0% |
| 1934 | 1.42 | +0.0% |
| 1935 | 1.42 | +0.0% |
| 1936 | 1.42 | +0.0% |
| 1937 | 1.42 | +0.0% |
| 1938 | 1.42 | +0.0% |
| 1939 | 1.42 | +0.0% |
| 1940 | 1.42 | +0.0% |
| 1941 | 1.42 | +0.0% |
| 1942 | -0.462 | -132.5% |
| 1943 | -0.462 | -0.0% |
| 1944 | -0.682 | +47.6% |
| 1945 | -0.355 | -47.9% |
| 1946 | -0.355 | -0.0% |
| 1947 | -0.355 | -0.0% |
| 1948 | -0.355 | -0.0% |
| 1949 | -0.355 | -0.0% |
| 1950 | -0.146 | -58.9% |
| 1951 | -0.146 | -0.0% |
| 1952 | -0.146 | -0.0% |
| 1953 | -0.146 | -0.0% |
| 1954 | 0.783 | -636.3% |
| 1955 | 0.783 | +0.0% |
| 1956 | 0.783 | +0.0% |
| 1957 | 0.783 | +0.0% |
| 1958 | 0.783 | +0.0% |
| 1959 | 0.783 | +0.0% |
| 1960 | 0.783 | +0.0% |
| 1961 | 0.783 | +0.0% |
| 1962 | 0.783 | +0.0% |
| 1963 | 0.783 | +0.0% |
| 1964 | 1.96 | +150.8% |
| 1965 | 1.96 | +0.0% |
| 1966 | 1.96 | +0.0% |
| 1967 | 1.96 | +0.0% |
| 1968 | 1.96 | +0.0% |
| 1969 | 1.96 | +0.0% |
| 1970 | 1.96 | +0.0% |
| 1971 | 1.96 | +0.0% |
| 1972 | 1.96 | +0.0% |
| 1973 | 1.96 | +0.0% |
| 1974 | 1.96 | +0.0% |
| 1975 | 1.96 | +0.0% |
| 1976 | 1.96 | +0.0% |
| 1977 | 1.96 | +0.0% |
| 1978 | 1.53 | -22.0% |
| 1979 | 1.53 | +0.0% |
| 1980 | 0.075 | -95.1% |
| 1981 | 0.075 | +0.0% |
| 1982 | 0.79 | +953.3% |
| 1983 | 0.79 | +0.0% |
| 1984 | 0.79 | +0.0% |
| 1985 | 0.79 | +0.0% |
| 1986 | 0.79 | +0.0% |
| 1987 | 0.79 | +0.0% |
| 1988 | 0.79 | +0.0% |
| 1989 | 0.79 | +0.0% |
| 1990 | 0.79 | +0.0% |
| 1991 | 0.79 | +0.0% |
| 1992 | 0.79 | +0.0% |
| 1993 | 0.79 | +0.0% |
| 1994 | 0.79 | +0.0% |
| 1995 | 0.79 | +0.0% |
| 1996 | 0.79 | +0.0% |
| 1997 | 0.521 | -34.1% |
| 1998 | 0.521 | +0.0% |
| 1999 | 0.521 | +0.0% |
| 2000 | 0.521 | +0.0% |
| 2001 | 0.521 | +0.0% |
| 2002 | 0.521 | +0.0% |
| 2003 | 0.521 | +0.0% |
| 2004 | 0.521 | +0.0% |
| 2005 | 0.521 | +0.0% |
| 2006 | 0.844 | +62.0% |
| 2007 | 0.844 | +0.0% |
| 2008 | 0.953 | +12.9% |
| 2009 | 0.953 | +0.0% |
| 2010 | 1.41 | +48.2% |
| 2011 | 1.41 | +0.0% |
| 2012 | 1.41 | +0.0% |
| 2013 | 1.41 | +0.0% |
| 2014 | 0.838 | -40.7% |
| 2015 | 0.838 | +0.0% |
| 2016 | 0.838 | +0.0% |
| 2017 | 1.41 | +67.9% |
| 2018 | 1.41 | +0.0% |
| 2019 | 1.41 | +0.0% |
| 2020 | 1.41 | +0.0% |
| 2021 | 1.41 | +0.0% |
| 2022 | 1.64 | +16.5% |
| 2023 | 1.64 | +0.0% |
| 2024 | 1.05 | -35.8% |
| 2025 | 1.05 | +0.0% |
Iran compared with similar countries
- Iran's 1.05 is above the median for upper middle income countries, which is 0.6285, 1.7× the median. (48 countries reporting)
- Iran's 1.05 is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.418, 2.5× the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 1.45 | 1.45 | 1.45 | 10 |
| 1910s | 0.396 | 0.133 | 1.45 | 10 |
| 1920s | 1.15 | 0.133 | 1.42 | 10 |
| 1930s | 1.42 | 1.42 | 1.42 | 10 |
| 1940s | -0.0535 | -0.682 | 1.42 | 10 |
| 1950s | 0.4114 | -0.146 | 0.783 | 10 |
| 1960s | 1.49 | 0.783 | 1.96 | 10 |
| 1970s | 1.88 | 1.53 | 1.96 | 10 |
| 1980s | 0.647 | 0.075 | 0.79 | 10 |
| 1990s | 0.7093 | 0.521 | 0.79 | 10 |
| 2000s | 0.672 | 0.521 | 0.953 | 10 |
| 2010s | 1.24 | 0.838 | 1.41 | 10 |
| 2020s | 1.37 | 1.05 | 1.64 | 6 |
Countries ranked near Iran
More reference data data for Iran
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 12.01 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 26.62 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 11.62 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.84 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 46.54 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 109.46 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 7.3 (2050)
Frequently asked questions
- What is political polarization score in Iran?
- Political polarization score in Iran was 1.05 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest political polarization score recorded in Iran?
- The highest recorded value was 1.96 in 1964.
- What is the lowest political polarization score recorded in Iran?
- The lowest recorded value was -0.682 in 1944.
- How does Iran rank for political polarization score?
- Iran ranks 55th out of 174 countries with data for 2025.
- Is political polarization score rising or falling in Iran?
- Over the last ten years it is up 25.5%. The long-run trend across the full record is volatile.
- Where does this Iran data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Political Polarization Score. 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).
About this data
Central estimate of the extent to which society is divided into hostile political camps, where political differences undermine social relationships and discourage interaction across ideological lines.