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Political centralization index in Iceland

Iceland: Political centralization index was 0.045 in 2025. ▼ Falling

Latest (2025)
0.045
Change on year
down 13.5%
World rank
159th
of 176 countries
All-time high
0.068
in 1900
All-time low
0.045
in 2025
Years of data
126
1900–2025

Political centralization index in Iceland, 1900–2025

00.020.040.06190019622025

Source: Our World in Data.

Analysis

In 2025, political centralization index in Iceland stood at 0.045. That is the lowest value across all 126 years on record.

The figure is down 13.5% on the previous year and down 21.1% over ten years.

Over the whole period, political centralization index in Iceland peaked at 0.068 in 1900 and was at its lowest, 0.045, in 2025.

Iceland ranks 159th of 176 countries on this measure, in the bottom quarter.

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

Political centralization index in Iceland, year by year

Year Value Change
1900 0.068 —
1901 0.068 +0.0%
1902 0.068 +0.0%
1903 0.068 +0.0%
1904 0.068 +0.0%
1905 0.068 +0.0%
1906 0.068 +0.0%
1907 0.068 +0.0%
1908 0.068 +0.0%
1909 0.068 +0.0%
1910 0.068 +0.0%
1911 0.068 +0.0%
1912 0.068 +0.0%
1913 0.068 +0.0%
1914 0.068 +0.0%
1915 0.068 +0.0%
1916 0.068 +0.0%
1917 0.068 +0.0%
1918 0.066 -2.9%
1919 0.066 +0.0%
1920 0.066 +0.0%
1921 0.066 +0.0%
1922 0.066 +0.0%
1923 0.066 +0.0%
1924 0.066 +0.0%
1925 0.066 +0.0%
1926 0.066 +0.0%
1927 0.066 +0.0%
1928 0.066 +0.0%
1929 0.066 +0.0%
1930 0.065 -1.5%
1931 0.065 +0.0%
1932 0.065 +0.0%
1933 0.065 +0.0%
1934 0.065 +0.0%
1935 0.065 +0.0%
1936 0.065 +0.0%
1937 0.065 +0.0%
1938 0.065 +0.0%
1939 0.065 +0.0%
1940 0.065 +0.0%
1941 0.065 +0.0%
1942 0.065 +0.0%
1943 0.065 +0.0%
1944 0.063 -3.1%
1945 0.063 +0.0%
1946 0.063 +0.0%
1947 0.063 +0.0%
1948 0.063 +0.0%
1949 0.063 +0.0%
1950 0.063 +0.0%
1951 0.063 +0.0%
1952 0.063 +0.0%
1953 0.063 +0.0%
1954 0.063 +0.0%
1955 0.063 +0.0%
1956 0.063 +0.0%
1957 0.063 +0.0%
1958 0.063 +0.0%
1959 0.063 +0.0%
1960 0.063 +0.0%
1961 0.063 +0.0%
1962 0.063 +0.0%
1963 0.063 +0.0%
1964 0.063 +0.0%
1965 0.063 +0.0%
1966 0.063 +0.0%
1967 0.063 +0.0%
1968 0.063 +0.0%
1969 0.063 +0.0%
1970 0.063 +0.0%
1971 0.063 +0.0%
1972 0.063 +0.0%
1973 0.063 +0.0%
1974 0.063 +0.0%
1975 0.063 +0.0%
1976 0.063 +0.0%
1977 0.063 +0.0%
1978 0.063 +0.0%
1979 0.063 +0.0%
1980 0.063 +0.0%
1981 0.063 +0.0%
1982 0.063 +0.0%
1983 0.063 +0.0%
1984 0.063 +0.0%
1985 0.063 +0.0%
1986 0.063 +0.0%
1987 0.055 -12.7%
1988 0.055 +0.0%
1989 0.057 +3.6%
1990 0.057 +0.0%
1991 0.057 +0.0%
1992 0.057 +0.0%
1993 0.057 +0.0%
1994 0.057 +0.0%
1995 0.057 +0.0%
1996 0.057 +0.0%
1997 0.057 +0.0%
1998 0.057 +0.0%
1999 0.057 +0.0%
2000 0.057 +0.0%
2001 0.057 +0.0%
2002 0.057 +0.0%
2003 0.057 +0.0%
2004 0.057 +0.0%
2005 0.057 +0.0%
2006 0.057 +0.0%
2007 0.057 +0.0%
2008 0.057 +0.0%
2009 0.056 -1.8%
2010 0.056 +0.0%
2011 0.064 +14.3%
2012 0.057 -10.9%
2013 0.057 +0.0%
2014 0.057 +0.0%
2015 0.057 +0.0%
2016 0.057 +0.0%
2017 0.063 +10.5%
2018 0.055 -12.7%
2019 0.066 +20.0%
2020 0.06 -9.1%
2021 0.054 -10.0%
2022 0.054 +0.0%
2023 0.054 +0.0%
2024 0.052 -3.7%
2025 0.045 -13.5%

Iceland compared with similar countries

  • Iceland's 0.045 is below the median for high income countries, which is 0.09, 50% of the median. (55 countries reporting)
  • Iceland's 0.045 is below the median for Europe & Central Asia, which is 0.1585, 28% of the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1900s 0.068 0.068 0.068 10
1910s 0.0676 0.066 0.068 10
1920s 0.066 0.066 0.066 10
1930s 0.065 0.065 0.065 10
1940s 0.0638 0.063 0.065 10
1950s 0.063 0.063 0.063 10
1960s 0.063 0.063 0.063 10
1970s 0.063 0.063 0.063 10
1980s 0.0608 0.055 0.063 10
1990s 0.057 0.057 0.057 10
2000s 0.0569 0.056 0.057 10
2010s 0.0589 0.055 0.066 10
2020s 0.0532 0.045 0.06 6

Countries ranked near Iceland

  1. 156 France 0.048 compare
  2. 157 Lithuania 0.046 compare
  3. 157 Uruguay 0.046 compare
  4. 159 Seychelles 0.045 compare
  5. 161 Latvia 0.044 compare
  6. 162 Ireland 0.039 compare

See the full ranking of 176 places →

More reference data data for Iceland

All data for Iceland →

Frequently asked questions

What is political centralization index in Iceland?
Political centralization index in Iceland was 0.045 in 2025, according to Our World in Data.
What is the highest political centralization index recorded in Iceland?
The highest recorded value was 0.068 in 1900.
What is the lowest political centralization index recorded in Iceland?
The lowest recorded value was 0.045 in 2025.
How does Iceland rank for political centralization index?
Iceland ranks 159th out of 176 countries with data for 2025.
Is political centralization index rising or falling in Iceland?
Over the last ten years it is down 21.1%. The long-run trend across the full record is falling.
Where does this Iceland data come from?
The figures come from Our World in Data, published as part of Political centralization index. Statizoid updates them automatically from the source API.

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CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).

Relationships involving this indicator

Comparisons with other indicators across countries. Each was re-measured with population and national income held constant, so a relationship that only reflected country size is not listed here.

All correlations →

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Political centralization index in Iceland. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/political-centralization-index/iceland/

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About this data

Indicator
Political centralization index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,802 data points, 1789–2025
Last refreshed