Statizoid

Deliberative political institutions index in Iran

Iran: Deliberative political institutions index was 0.284 in 2025. ◆ Volatile

Latest (2025)
0.284
Change on year
down 13.4%
World rank
143rd
of 175 countries
All-time high
0.783
in 1997
All-time low
0.023
in 1933
Years of data
126
1900–2025

Deliberative political institutions index in Iran, 1900–2025

00.20.40.60.8190019622025

Source: Our World in Data.

Analysis

Iran recorded 0.284 for deliberative political institutions index in 2025.

Compared with earlier readings it is down 13.4% on the previous year and down 48.9% over ten years.

Over the whole period, deliberative political institutions index in Iran peaked at 0.783 in 1997 and was at its lowest, 0.023, in 1933.

That places Iran 143rd out of 175 countries with data for 2025, putting it in the bottom quarter.

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

Deliberative political institutions index in Iran, year by year

Year Value Change
1900 0.051 —
1901 0.051 +0.0%
1902 0.051 +0.0%
1903 0.051 +0.0%
1904 0.051 +0.0%
1905 0.051 +0.0%
1906 0.192 +276.5%
1907 0.192 +0.0%
1908 0.192 +0.0%
1909 0.178 -7.3%
1910 0.205 +15.2%
1911 0.205 +0.0%
1912 0.205 +0.0%
1913 0.205 +0.0%
1914 0.205 +0.0%
1915 0.205 +0.0%
1916 0.205 +0.0%
1917 0.205 +0.0%
1918 0.205 +0.0%
1919 0.205 +0.0%
1920 0.205 +0.0%
1921 0.09 -56.1%
1922 0.09 +0.0%
1923 0.09 +0.0%
1924 0.072 -20.0%
1925 0.045 -37.5%
1926 0.029 -35.6%
1927 0.029 +0.0%
1928 0.029 +0.0%
1929 0.029 +0.0%
1930 0.029 +0.0%
1931 0.029 +0.0%
1932 0.029 +0.0%
1933 0.023 -20.7%
1934 0.023 +0.0%
1935 0.023 +0.0%
1936 0.023 +0.0%
1937 0.023 +0.0%
1938 0.023 +0.0%
1939 0.023 +0.0%
1940 0.023 +0.0%
1941 0.052 +126.1%
1942 0.237 +355.8%
1943 0.264 +11.4%
1944 0.264 +0.0%
1945 0.264 +0.0%
1946 0.384 +45.5%
1947 0.384 +0.0%
1948 0.568 +47.9%
1949 0.68 +19.7%
1950 0.68 +0.0%
1951 0.68 +0.0%
1952 0.68 +0.0%
1953 0.358 -47.4%
1954 0.186 -48.0%
1955 0.13 -30.1%
1956 0.076 -41.5%
1957 0.076 +0.0%
1958 0.076 +0.0%
1959 0.076 +0.0%
1960 0.076 +0.0%
1961 0.093 +22.4%
1962 0.078 -16.1%
1963 0.063 -19.2%
1964 0.052 -17.5%
1965 0.052 +0.0%
1966 0.052 +0.0%
1967 0.052 +0.0%
1968 0.052 +0.0%
1969 0.052 +0.0%
1970 0.052 +0.0%
1971 0.052 +0.0%
1972 0.052 +0.0%
1973 0.052 +0.0%
1974 0.052 +0.0%
1975 0.052 +0.0%
1976 0.052 +0.0%
1977 0.052 +0.0%
1978 0.052 +0.0%
1979 0.645 +1140.4%
1980 0.593 -8.1%
1981 0.554 -6.6%
1982 0.554 +0.0%
1983 0.522 -5.8%
1984 0.522 +0.0%
1985 0.522 +0.0%
1986 0.522 +0.0%
1987 0.522 +0.0%
1988 0.522 +0.0%
1989 0.605 +15.9%
1990 0.602 -0.5%
1991 0.602 +0.0%
1992 0.602 +0.0%
1993 0.602 +0.0%
1994 0.627 +4.2%
1995 0.608 -3.0%
1996 0.608 +0.0%
1997 0.783 +28.8%
1998 0.783 +0.0%
1999 0.783 +0.0%
2000 0.783 +0.0%
2001 0.783 +0.0%
2002 0.783 +0.0%
2003 0.783 +0.0%
2004 0.778 -0.6%
2005 0.65 -16.5%
2006 0.587 -9.7%
2007 0.587 +0.0%
2008 0.587 +0.0%
2009 0.589 +0.3%
2010 0.588 -0.2%
2011 0.597 +1.5%
2012 0.597 +0.0%
2013 0.542 -9.2%
2014 0.556 +2.6%
2015 0.556 +0.0%
2016 0.557 +0.2%
2017 0.494 -11.3%
2018 0.439 -11.1%
2019 0.45 +2.5%
2020 0.38 -15.6%
2021 0.381 +0.3%
2022 0.265 -30.4%
2023 0.264 -0.4%
2024 0.328 +24.2%
2025 0.284 -13.4%

Iran compared with similar countries

  • Iran's 0.284 is below the median for upper middle income countries, which is 0.599, 47% of the median. (48 countries reporting)
  • Iran's 0.284 is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.473, 60% of the median. (23 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1900s 0.106 0.051 0.192 10
1910s 0.205 0.205 0.205 10
1920s 0.0708 0.029 0.205 10
1930s 0.0248 0.023 0.029 10
1940s 0.312 0.023 0.68 10
1950s 0.3018 0.076 0.68 10
1960s 0.0622 0.052 0.093 10
1970s 0.1113 0.052 0.645 10
1980s 0.5438 0.522 0.605 10
1990s 0.66 0.602 0.783 10
2000s 0.691 0.587 0.783 10
2010s 0.5376 0.439 0.597 10
2020s 0.317 0.264 0.381 6

Countries ranked near Iran

  1. 140 Central African Republic 0.289 compare
  2. 140 United Arab Emirates 0.289 compare
  3. 142 Cuba 0.286 compare
  4. 143 Saudi Arabia 0.284 compare
  5. 145 Comoros 0.275 compare
  6. 146 Bolivia 0.273 compare

See the full ranking of 175 places →

More reference data data for Iran

All data for Iran →

Frequently asked questions

What is deliberative political institutions index in Iran?
Deliberative political institutions index in Iran was 0.284 in 2025, according to Our World in Data.
What is the highest deliberative political institutions index recorded in Iran?
The highest recorded value was 0.783 in 1997.
What is the lowest deliberative political institutions index recorded in Iran?
The lowest recorded value was 0.023 in 1933.
How does Iran rank for deliberative political institutions index?
Iran ranks 143rd out of 175 countries with data for 2025.
Is deliberative political institutions index rising or falling in Iran?
Over the last ten years it is down 48.9%. The long-run trend across the full record is volatile.
Where does this Iran data come from?
The figures come from Our World in Data, published as part of Deliberative 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).

Share, cite or embed this page

Cite this page

Deliberative political institutions index in Iran. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/deliberative-political-institutions-index/iran-islamic-rep/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/stat/deliberative-political-institutions-index/iran-islamic-rep/">Deliberative political institutions index in Iran</a> — Statizoid

About this data

Indicator
Deliberative political institutions index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
175 places, 20,802 data points, 1900–2025
Last refreshed