Democracy Index in Iran

Iran: Democracy Index was -7 in 2018. ◆ Volatile

Latest (2018)
-7
Change on year
unchanged
World rank
150th
of 168 countries
All-time high
4
in 1946
All-time low
-10
in 1800
Years of data
219
1800–2018

Democracy Index in Iran, 1800–2018

-10-505180019092018

Source: Polity 5 (2020); Population based on various sources (2023) – processed by Our World in Data.

Analysis

In 2018, democracy index in Iran stood at -7.

That represents a change of down 16.7% over ten years.

Over the whole period, democracy index in Iran peaked at 4 in 1946 and was at its lowest, -10, in 1800.

That places Iran 150th out of 168 countries with data for 2018, putting it in the bottom quarter.

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

Democracy Index in Iran, year by year

Annual values for Democracy Index in Iran, 1800 to 2018.
Year Value Change
1800 -10
1801 -10 -0.0%
1802 -10 -0.0%
1803 -10 -0.0%
1804 -10 -0.0%
1805 -10 -0.0%
1806 -10 -0.0%
1807 -10 -0.0%
1808 -10 -0.0%
1809 -10 -0.0%
1810 -10 -0.0%
1811 -10 -0.0%
1812 -10 -0.0%
1813 -10 -0.0%
1814 -10 -0.0%
1815 -10 -0.0%
1816 -10 -0.0%
1817 -10 -0.0%
1818 -10 -0.0%
1819 -10 -0.0%
1820 -10 -0.0%
1821 -10 -0.0%
1822 -10 -0.0%
1823 -10 -0.0%
1824 -10 -0.0%
1825 -10 -0.0%
1826 -10 -0.0%
1827 -10 -0.0%
1828 -10 -0.0%
1829 -10 -0.0%
1830 -10 -0.0%
1831 -10 -0.0%
1832 -10 -0.0%
1833 -10 -0.0%
1834 -10 -0.0%
1835 -10 -0.0%
1836 -10 -0.0%
1837 -10 -0.0%
1838 -10 -0.0%
1839 -10 -0.0%
1840 -10 -0.0%
1841 -10 -0.0%
1842 -10 -0.0%
1843 -10 -0.0%
1844 -10 -0.0%
1845 -10 -0.0%
1846 -10 -0.0%
1847 -10 -0.0%
1848 -10 -0.0%
1849 -10 -0.0%
1850 -10 -0.0%
1851 -10 -0.0%
1852 -10 -0.0%
1853 -10 -0.0%
1854 -10 -0.0%
1855 -10 -0.0%
1856 -10 -0.0%
1857 -10 -0.0%
1858 -10 -0.0%
1859 -10 -0.0%
1860 -10 -0.0%
1861 -10 -0.0%
1862 -10 -0.0%
1863 -10 -0.0%
1864 -10 -0.0%
1865 -10 -0.0%
1866 -10 -0.0%
1867 -10 -0.0%
1868 -10 -0.0%
1869 -10 -0.0%
1870 -10 -0.0%
1871 -10 -0.0%
1872 -10 -0.0%
1873 -10 -0.0%
1874 -10 -0.0%
1875 -10 -0.0%
1876 -10 -0.0%
1877 -10 -0.0%
1878 -10 -0.0%
1879 -10 -0.0%
1880 -10 -0.0%
1881 -10 -0.0%
1882 -10 -0.0%
1883 -10 -0.0%
1884 -10 -0.0%
1885 -10 -0.0%
1886 -10 -0.0%
1887 -10 -0.0%
1888 -10 -0.0%
1889 -10 -0.0%
1890 -10 -0.0%
1891 -10 -0.0%
1892 -10 -0.0%
1893 -10 -0.0%
1894 -10 -0.0%
1895 -10 -0.0%
1896 -10 -0.0%
1897 -10 -0.0%
1898 -10 -0.0%
1899 -10 -0.0%
1900 -10 -0.0%
1901 -10 -0.0%
1902 -10 -0.0%
1903 -10 -0.0%
1904 -10 -0.0%
1905 -10 -0.0%
1906 0 -100.0%
1907 0
1908 0
1909 0
1910 0
1911 0
1912 0
1913 0
1914 0
1915 0
1916 0
1917 0
1918 0
1919 0
1920 0
1921 -1
1922 -3 +200.0%
1923 -4 +33.3%
1924 -6 +50.0%
1925 -7 +16.7%
1926 -7 -0.0%
1927 -7 -0.0%
1928 -7 -0.0%
1929 -7 -0.0%
1930 -7 -0.0%
1931 -7 -0.0%
1932 -7 -0.0%
1933 -7 -0.0%
1934 -7 -0.0%
1935 -8 +14.3%
1936 -8 -0.0%
1937 -8 -0.0%
1938 -8 -0.0%
1939 -8 -0.0%
1940 -8 -0.0%
1941 -1 -87.5%
1942 -1 -0.0%
1943 -1 -0.0%
1944 -1 -0.0%
1945 -1 -0.0%
1946 4 -500.0%
1947 4 +0.0%
1948 4 +0.0%
1949 4 +0.0%
1950 4 +0.0%
1951 4 +0.0%
1952 4 +0.0%
1953 -10 -350.0%
1954 -10 -0.0%
1955 -10 -0.0%
1956 -10 -0.0%
1957 -10 -0.0%
1958 -10 -0.0%
1959 -10 -0.0%
1960 -10 -0.0%
1961 -10 -0.0%
1962 -10 -0.0%
1963 -10 -0.0%
1964 -10 -0.0%
1965 -10 -0.0%
1966 -10 -0.0%
1967 -10 -0.0%
1968 -10 -0.0%
1969 -10 -0.0%
1970 -10 -0.0%
1971 -10 -0.0%
1972 -10 -0.0%
1973 -10 -0.0%
1974 -10 -0.0%
1975 -10 -0.0%
1976 -10 -0.0%
1977 -10 -0.0%
1978 -10 -0.0%
1979 -6 -40.0%
1980 -6 -0.0%
1981 -6 -0.0%
1982 -6 -0.0%
1983 -6 -0.0%
1984 -6 -0.0%
1985 -6 -0.0%
1986 -6 -0.0%
1987 -6 -0.0%
1988 -6 -0.0%
1989 -6 -0.0%
1990 -6 -0.0%
1991 -6 -0.0%
1992 -6 -0.0%
1993 -6 -0.0%
1994 -6 -0.0%
1995 -6 -0.0%
1996 -6 -0.0%
1997 3 -150.0%
1998 3 +0.0%
1999 3 +0.0%
2000 3 +0.0%
2001 3 +0.0%
2002 3 +0.0%
2003 3 +0.0%
2004 -7 -333.3%
2005 -6 -14.3%
2006 -6 -0.0%
2007 -6 -0.0%
2008 -6 -0.0%
2009 -7 +16.7%
2010 -7 -0.0%
2011 -7 -0.0%
2012 -7 -0.0%
2013 -7 -0.0%
2014 -7 -0.0%
2015 -7 -0.0%
2016 -7 -0.0%
2017 -7 -0.0%
2018 -7 -0.0%

Iran compared with similar countries

  • Iran's -7 is below the median for upper middle income countries, which is 7. (47 countries reporting)
  • Iran's -7 is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is -3, 2.3× the median. (21 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1800s -10 -10 -10 10
1810s -10 -10 -10 10
1820s -10 -10 -10 10
1830s -10 -10 -10 10
1840s -10 -10 -10 10
1850s -10 -10 -10 10
1860s -10 -10 -10 10
1870s -10 -10 -10 10
1880s -10 -10 -10 10
1890s -10 -10 -10 10
1900s -6 -10 0 10
1910s 0 0 0 10
1920s -4.9 -7 0 10
1930s -7.5 -8 -7 10
1940s 0.3 -8 4 10
1950s -5.8 -10 4 10
1960s -10 -10 -10 10
1970s -9.6 -10 -6 10
1980s -6 -6 -6 10
1990s -3.3 -6 3 10
2000s -2.6 -7 3 10
2010s -7 -7 -7 9

Countries ranked near Iran

  1. 147 Bangladesh -6 compare
  2. 147 Equatorial Guinea -6 compare
  3. 147 Kazakhstan -6 compare
  4. 150 Azerbaijan -7 compare
  5. 150 Belarus -7 compare
  6. 150 China -7 compare
  7. 150 Eritrea -7 compare
  8. 150 Eswatini -7 compare
  9. 150 Kuwait -7 compare
  10. 150 Laos -7 compare
  11. 150 Vietnam -7 compare

See the full ranking of 168 places →

More social development data for Iran

All data for Iran →

Frequently asked questions

What is democracy index in Iran?
Democracy index in Iran was -7 in 2018, according to Polity 5 (2020); Population based on various sources (2023) – processed by Our World in Data.
What is the highest democracy index recorded in Iran?
The highest recorded value was 4 in 1946.
What is the lowest democracy index recorded in Iran?
The lowest recorded value was -10 in 1800.
How does Iran rank for democracy index?
Iran ranks 150th out of 168 countries with data for 2018.
Is democracy index rising or falling in Iran?
Over the last ten years it is down 16.7%. The long-run trend across the full record is volatile.
Where does this Iran data come from?
The figures come from Polity 5 (2020); Population based on various sources (2023) – processed by Our World in Data, published as part of Democracy Index. Statizoid updates them automatically from the source API.

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Democracy Index in Iran. Statizoid, drawing on Polity 5 (2020); Population based on various sources (2023) – processed by Our World in Data. Retrieved 23 September 2026, from https://social-development.statizoid.com/stat/democracy-index-polity/iran-islamic-rep/

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About this data

Indicator
Democracy Index
Source
Polity 5 (2020); Population based on various sources (2023) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
168 places, 18,392 data points, 1776–2020
Last refreshed

It combines information on the extent to which open, multi-party, and competitive elections choose a chief executive who faces comprehensive institutional constraints, and political participation is competitive. It ranges from -10 to 10 (fully democratic).