Political centralization index in Spain

Spain: Political centralization index was 0.05 in 2025. ◆ Volatile

Latest (2025)
0.05
Change on year
down 2.0%
World rank
155th
of 176 countries
All-time high
0.804
in 1940
All-time low
0.027
in 1979
Years of data
237
1789–2025

Political centralization index in Spain, 1789–2025

00.20.40.60.8178919072025

Source: Our World in Data.

Analysis

Spain recorded 0.05 for political centralization index in 2025.

Compared with earlier readings it is down 2.0% on the previous year and down 15.3% over ten years.

Over the whole period, political centralization index in Spain peaked at 0.804 in 1940 and was at its lowest, 0.027, in 1979.

That places Spain 155th out of 176 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.

Political centralization index in Spain, year by year

Annual values for Political centralization index in Spain, 1789 to 2025.
Year Value Change
1789 0.678 —
1790 0.678 +0.0%
1791 0.678 +0.0%
1792 0.678 +0.0%
1793 0.678 +0.0%
1794 0.678 +0.0%
1795 0.678 +0.0%
1796 0.678 +0.0%
1797 0.678 +0.0%
1798 0.678 +0.0%
1799 0.678 +0.0%
1800 0.678 +0.0%
1801 0.678 +0.0%
1802 0.678 +0.0%
1803 0.678 +0.0%
1804 0.678 +0.0%
1805 0.678 +0.0%
1806 0.678 +0.0%
1807 0.678 +0.0%
1808 0.678 +0.0%
1809 0.678 +0.0%
1810 0.678 +0.0%
1811 0.678 +0.0%
1812 0.508 -25.1%
1813 0.508 +0.0%
1814 0.525 +3.3%
1815 0.546 +4.0%
1816 0.546 +0.0%
1817 0.546 +0.0%
1818 0.546 +0.0%
1819 0.546 +0.0%
1820 0.459 -15.9%
1821 0.459 +0.0%
1822 0.459 +0.0%
1823 0.459 +0.0%
1824 0.552 +20.3%
1825 0.552 +0.0%
1826 0.552 +0.0%
1827 0.552 +0.0%
1828 0.552 +0.0%
1829 0.552 +0.0%
1830 0.552 +0.0%
1831 0.552 +0.0%
1832 0.552 +0.0%
1833 0.552 +0.0%
1834 0.449 -18.7%
1835 0.449 +0.0%
1836 0.449 +0.0%
1837 0.449 +0.0%
1838 0.449 +0.0%
1839 0.449 +0.0%
1840 0.449 +0.0%
1841 0.449 +0.0%
1842 0.449 +0.0%
1843 0.449 +0.0%
1844 0.449 +0.0%
1845 0.449 +0.0%
1846 0.449 +0.0%
1847 0.449 +0.0%
1848 0.449 +0.0%
1849 0.449 +0.0%
1850 0.449 +0.0%
1851 0.449 +0.0%
1852 0.449 +0.0%
1853 0.449 +0.0%
1854 0.449 +0.0%
1855 0.449 +0.0%
1856 0.449 +0.0%
1857 0.449 +0.0%
1858 0.449 +0.0%
1859 0.449 +0.0%
1860 0.449 +0.0%
1861 0.449 +0.0%
1862 0.449 +0.0%
1863 0.449 +0.0%
1864 0.449 +0.0%
1865 0.449 +0.0%
1866 0.449 +0.0%
1867 0.449 +0.0%
1868 0.449 +0.0%
1869 0.403 -10.2%
1870 0.403 +0.0%
1871 0.403 +0.0%
1872 0.403 +0.0%
1873 0.403 +0.0%
1874 0.403 +0.0%
1875 0.403 +0.0%
1876 0.403 +0.0%
1877 0.403 +0.0%
1878 0.403 +0.0%
1879 0.403 +0.0%
1880 0.403 +0.0%
1881 0.403 +0.0%
1882 0.403 +0.0%
1883 0.403 +0.0%
1884 0.403 +0.0%
1885 0.403 +0.0%
1886 0.403 +0.0%
1887 0.403 +0.0%
1888 0.403 +0.0%
1889 0.403 +0.0%
1890 0.403 +0.0%
1891 0.403 +0.0%
1892 0.403 +0.0%
1893 0.403 +0.0%
1894 0.403 +0.0%
1895 0.403 +0.0%
1896 0.403 +0.0%
1897 0.403 +0.0%
1898 0.403 +0.0%
1899 0.403 +0.0%
1900 0.403 +0.0%
1901 0.403 +0.0%
1902 0.403 +0.0%
1903 0.403 +0.0%
1904 0.403 +0.0%
1905 0.403 +0.0%
1906 0.403 +0.0%
1907 0.403 +0.0%
1908 0.403 +0.0%
1909 0.403 +0.0%
1910 0.403 +0.0%
1911 0.403 +0.0%
1912 0.403 +0.0%
1913 0.403 +0.0%
1914 0.403 +0.0%
1915 0.403 +0.0%
1916 0.403 +0.0%
1917 0.403 +0.0%
1918 0.403 +0.0%
1919 0.403 +0.0%
1920 0.403 +0.0%
1921 0.403 +0.0%
1922 0.403 +0.0%
1923 0.47 +16.6%
1924 0.632 +34.5%
1925 0.632 +0.0%
1926 0.632 +0.0%
1927 0.632 +0.0%
1928 0.632 +0.0%
1929 0.632 +0.0%
1930 0.632 +0.0%
1931 0.601 -4.9%
1932 0.349 -41.9%
1933 0.349 +0.0%
1934 0.362 +3.7%
1935 0.362 +0.0%
1936 0.362 +0.0%
1937 0.429 +18.5%
1938 0.429 +0.0%
1939 0.508 +18.4%
1940 0.804 +58.3%
1941 0.804 +0.0%
1942 0.804 +0.0%
1943 0.773 -3.9%
1944 0.765 -1.0%
1945 0.765 +0.0%
1946 0.765 +0.0%
1947 0.765 +0.0%
1948 0.765 +0.0%
1949 0.765 +0.0%
1950 0.765 +0.0%
1951 0.765 +0.0%
1952 0.765 +0.0%
1953 0.765 +0.0%
1954 0.765 +0.0%
1955 0.765 +0.0%
1956 0.765 +0.0%
1957 0.765 +0.0%
1958 0.765 +0.0%
1959 0.765 +0.0%
1960 0.765 +0.0%
1961 0.765 +0.0%
1962 0.765 +0.0%
1963 0.765 +0.0%
1964 0.765 +0.0%
1965 0.765 +0.0%
1966 0.765 +0.0%
1967 0.765 +0.0%
1968 0.765 +0.0%
1969 0.765 +0.0%
1970 0.765 +0.0%
1971 0.765 +0.0%
1972 0.765 +0.0%
1973 0.765 +0.0%
1974 0.765 +0.0%
1975 0.722 -5.6%
1976 0.714 -1.1%
1977 0.483 -32.4%
1978 0.047 -90.3%
1979 0.027 -42.6%
1980 0.031 +14.8%
1981 0.031 +0.0%
1982 0.031 +0.0%
1983 0.031 +0.0%
1984 0.031 +0.0%
1985 0.031 +0.0%
1986 0.031 +0.0%
1987 0.031 +0.0%
1988 0.031 +0.0%
1989 0.031 +0.0%
1990 0.031 +0.0%
1991 0.031 +0.0%
1992 0.031 +0.0%
1993 0.032 +3.2%
1994 0.032 +0.0%
1995 0.032 +0.0%
1996 0.032 +0.0%
1997 0.032 +0.0%
1998 0.032 +0.0%
1999 0.032 +0.0%
2000 0.031 -3.1%
2001 0.031 +0.0%
2002 0.031 +0.0%
2003 0.031 +0.0%
2004 0.031 +0.0%
2005 0.031 +0.0%
2006 0.031 +0.0%
2007 0.031 +0.0%
2008 0.031 +0.0%
2009 0.031 +0.0%
2010 0.032 +3.2%
2011 0.034 +6.3%
2012 0.055 +61.8%
2013 0.06 +9.1%
2014 0.06 +0.0%
2015 0.059 -1.7%
2016 0.048 -18.6%
2017 0.053 +10.4%
2018 0.05 -5.7%
2019 0.032 -36.0%
2020 0.036 +12.5%
2021 0.03 -16.7%
2022 0.044 +46.7%
2023 0.052 +18.2%
2024 0.051 -1.9%
2025 0.05 -2.0%

Spain compared with similar countries

  • Spain's 0.05 is below the median for high income countries, which is 0.09, 56% of the median. (55 countries reporting)
  • Spain's 0.05 is below the median for Europe & Central Asia, which is 0.1585, 32% of the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1780s 0.678 0.678 0.678 1
1790s 0.678 0.678 0.678 10
1800s 0.678 0.678 0.678 10
1810s 0.5627 0.508 0.678 10
1820s 0.5148 0.459 0.552 10
1830s 0.4902 0.449 0.552 10
1840s 0.449 0.449 0.449 10
1850s 0.449 0.449 0.449 10
1860s 0.4444 0.403 0.449 10
1870s 0.403 0.403 0.403 10
1880s 0.403 0.403 0.403 10
1890s 0.403 0.403 0.403 10
1900s 0.403 0.403 0.403 10
1910s 0.403 0.403 0.403 10
1920s 0.5471 0.403 0.632 10
1930s 0.4383 0.349 0.632 10
1940s 0.7775 0.765 0.804 10
1950s 0.765 0.765 0.765 10
1960s 0.765 0.765 0.765 10
1970s 0.5818 0.027 0.765 10
1980s 0.031 0.031 0.031 10
1990s 0.0317 0.031 0.032 10
2000s 0.031 0.031 0.031 10
2010s 0.0483 0.032 0.06 10
2020s 0.0438 0.03 0.052 6

Countries ranked near Spain

  1. 152 Portugal 0.06 compare
  2. 152 United Kingdom 0.06 compare
  3. 154 Guatemala 0.059 compare
  4. 156 France 0.048 compare
  5. 157 Lithuania 0.046 compare
  6. 157 Uruguay 0.046 compare

See the full ranking of 176 places →

More reference data data for Spain

All data for Spain →

Frequently asked questions

What is political centralization index in Spain?
Political centralization index in Spain was 0.05 in 2025, according to Our World in Data.
What is the highest political centralization index recorded in Spain?
The highest recorded value was 0.804 in 1940.
What is the lowest political centralization index recorded in Spain?
The lowest recorded value was 0.027 in 1979.
How does Spain rank for political centralization index?
Spain ranks 155th out of 176 countries with data for 2025.
Is political centralization index rising or falling in Spain?
Over the last ten years it is down 15.3%. The long-run trend across the full record is volatile.
Where does this Spain 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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Political centralization index in Spain. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/political-centralization-index/spain/

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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