Statizoid

Political centralization index in Italy

Italy: Political centralization index was 0.162 in 2025. ◆ Volatile

Latest (2025)
0.162
Change on year
up 10.2%
World rank
125th
of 176 countries
All-time high
0.944
in 1927
All-time low
0.083
in 2017
Years of data
211
1815–2025

Political centralization index in Italy, 1815–2025

00.20.40.60.81181519202025

Source: Our World in Data.

Analysis

The most recent figure for political centralization index in Italy is 0.162, measured in 2025.

The figure is up 10.2% on the previous year and up 80.0% over ten years.

Over the whole period, political centralization index in Italy peaked at 0.944 in 1927 and was at its lowest, 0.083, in 2017.

Italy ranks 125th of 176 countries on this measure, in the middle of the range.

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

Political centralization index in Italy, year by year

Year Value Change
1815 0.767 —
1816 0.767 +0.0%
1817 0.767 +0.0%
1818 0.767 +0.0%
1819 0.767 +0.0%
1820 0.767 +0.0%
1821 0.767 +0.0%
1822 0.767 +0.0%
1823 0.767 +0.0%
1824 0.767 +0.0%
1825 0.767 +0.0%
1826 0.767 +0.0%
1827 0.767 +0.0%
1828 0.767 +0.0%
1829 0.767 +0.0%
1830 0.767 +0.0%
1831 0.767 +0.0%
1832 0.767 +0.0%
1833 0.767 +0.0%
1834 0.767 +0.0%
1835 0.767 +0.0%
1836 0.767 +0.0%
1837 0.767 +0.0%
1838 0.767 +0.0%
1839 0.767 +0.0%
1840 0.767 +0.0%
1841 0.767 +0.0%
1842 0.767 +0.0%
1843 0.767 +0.0%
1844 0.767 +0.0%
1845 0.767 +0.0%
1846 0.767 +0.0%
1847 0.767 +0.0%
1848 0.713 -7.0%
1849 0.713 +0.0%
1850 0.713 +0.0%
1851 0.713 +0.0%
1852 0.713 +0.0%
1853 0.713 +0.0%
1854 0.713 +0.0%
1855 0.713 +0.0%
1856 0.713 +0.0%
1857 0.713 +0.0%
1858 0.713 +0.0%
1859 0.713 +0.0%
1860 0.713 +0.0%
1861 0.713 +0.0%
1862 0.381 -46.6%
1863 0.381 +0.0%
1864 0.381 +0.0%
1865 0.381 +0.0%
1866 0.381 +0.0%
1867 0.381 +0.0%
1868 0.381 +0.0%
1869 0.381 +0.0%
1870 0.381 +0.0%
1871 0.381 +0.0%
1872 0.381 +0.0%
1873 0.381 +0.0%
1874 0.381 +0.0%
1875 0.381 +0.0%
1876 0.381 +0.0%
1877 0.381 +0.0%
1878 0.399 +4.7%
1879 0.399 +0.0%
1880 0.38 -4.8%
1881 0.38 +0.0%
1882 0.38 +0.0%
1883 0.38 +0.0%
1884 0.38 +0.0%
1885 0.38 +0.0%
1886 0.38 +0.0%
1887 0.38 +0.0%
1888 0.38 +0.0%
1889 0.38 +0.0%
1890 0.392 +3.2%
1891 0.392 +0.0%
1892 0.395 +0.8%
1893 0.395 +0.0%
1894 0.395 +0.0%
1895 0.395 +0.0%
1896 0.395 +0.0%
1897 0.395 +0.0%
1898 0.395 +0.0%
1899 0.395 +0.0%
1900 0.395 +0.0%
1901 0.395 +0.0%
1902 0.395 +0.0%
1903 0.395 +0.0%
1904 0.395 +0.0%
1905 0.395 +0.0%
1906 0.395 +0.0%
1907 0.395 +0.0%
1908 0.393 -0.5%
1909 0.393 +0.0%
1910 0.393 +0.0%
1911 0.393 +0.0%
1912 0.387 -1.5%
1913 0.387 +0.0%
1914 0.393 +1.6%
1915 0.418 +6.4%
1916 0.406 -2.9%
1917 0.406 +0.0%
1918 0.406 +0.0%
1919 0.39 -3.9%
1920 0.388 -0.5%
1921 0.388 +0.0%
1922 0.394 +1.5%
1923 0.715 +81.5%
1924 0.725 +1.4%
1925 0.9 +24.1%
1926 0.936 +4.0%
1927 0.944 +0.9%
1928 0.944 +0.0%
1929 0.944 +0.0%
1930 0.944 +0.0%
1931 0.944 +0.0%
1932 0.944 +0.0%
1933 0.944 +0.0%
1934 0.944 +0.0%
1935 0.944 +0.0%
1936 0.944 +0.0%
1937 0.944 +0.0%
1938 0.944 +0.0%
1939 0.944 +0.0%
1940 0.935 -1.0%
1941 0.935 +0.0%
1942 0.935 +0.0%
1943 0.935 +0.0%
1944 0.724 -22.6%
1945 0.576 -20.4%
1946 0.303 -47.4%
1947 0.285 -5.9%
1948 0.238 -16.5%
1949 0.238 +0.0%
1950 0.238 +0.0%
1951 0.238 +0.0%
1952 0.238 +0.0%
1953 0.238 +0.0%
1954 0.238 +0.0%
1955 0.238 +0.0%
1956 0.174 -26.9%
1957 0.174 +0.0%
1958 0.174 +0.0%
1959 0.174 +0.0%
1960 0.168 -3.4%
1961 0.168 +0.0%
1962 0.168 +0.0%
1963 0.168 +0.0%
1964 0.168 +0.0%
1965 0.168 +0.0%
1966 0.168 +0.0%
1967 0.168 +0.0%
1968 0.158 -6.0%
1969 0.158 +0.0%
1970 0.149 -5.7%
1971 0.149 +0.0%
1972 0.149 +0.0%
1973 0.149 +0.0%
1974 0.149 +0.0%
1975 0.138 -7.4%
1976 0.138 +0.0%
1977 0.138 +0.0%
1978 0.138 +0.0%
1979 0.138 +0.0%
1980 0.138 +0.0%
1981 0.138 +0.0%
1982 0.138 +0.0%
1983 0.138 +0.0%
1984 0.138 +0.0%
1985 0.138 +0.0%
1986 0.138 +0.0%
1987 0.138 +0.0%
1988 0.138 +0.0%
1989 0.138 +0.0%
1990 0.12 -13.0%
1991 0.12 +0.0%
1992 0.115 -4.2%
1993 0.104 -9.6%
1994 0.113 +8.7%
1995 0.101 -10.6%
1996 0.101 +0.0%
1997 0.101 +0.0%
1998 0.101 +0.0%
1999 0.101 +0.0%
2000 0.101 +0.0%
2001 0.107 +5.9%
2002 0.103 -3.7%
2003 0.097 -5.8%
2004 0.097 +0.0%
2005 0.097 +0.0%
2006 0.09 -7.2%
2007 0.096 +6.7%
2008 0.106 +10.4%
2009 0.099 -6.6%
2010 0.091 -8.1%
2011 0.091 +0.0%
2012 0.096 +5.5%
2013 0.09 -6.3%
2014 0.09 +0.0%
2015 0.09 +0.0%
2016 0.09 +0.0%
2017 0.083 -7.8%
2018 0.095 +14.5%
2019 0.095 +0.0%
2020 0.095 +0.0%
2021 0.095 +0.0%
2022 0.095 +0.0%
2023 0.1 +5.3%
2024 0.147 +47.0%
2025 0.162 +10.2%

Italy compared with similar countries

  • Italy's 0.162 is above the median for high income countries, which is 0.09, 1.8× the median. (55 countries reporting)
  • Italy's 0.162 is above the median for Europe & Central Asia, which is 0.1585, 1.0× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1810s 0.767 0.767 0.767 5
1820s 0.767 0.767 0.767 10
1830s 0.767 0.767 0.767 10
1840s 0.7562 0.713 0.767 10
1850s 0.713 0.713 0.713 10
1860s 0.4474 0.381 0.713 10
1870s 0.3846 0.381 0.399 10
1880s 0.38 0.38 0.38 10
1890s 0.3944 0.392 0.395 10
1900s 0.3946 0.393 0.395 10
1910s 0.3979 0.387 0.418 10
1920s 0.7278 0.388 0.944 10
1930s 0.944 0.944 0.944 10
1940s 0.6104 0.238 0.935 10
1950s 0.2124 0.174 0.238 10
1960s 0.166 0.158 0.168 10
1970s 0.1435 0.138 0.149 10
1980s 0.138 0.138 0.138 10
1990s 0.1077 0.101 0.12 10
2000s 0.0993 0.09 0.107 10
2010s 0.0911 0.083 0.096 10
2020s 0.1157 0.095 0.162 6

Countries ranked near Italy

  1. 122 Bhutan 0.169 compare
  2. 123 Lesotho 0.167 compare
  3. 124 Bulgaria 0.165 compare
  4. 126 Suriname 0.156 compare
  5. 127 Slovakia 0.155 compare
  6. 128 Taiwan 0.153 compare
  7. 128 United States 0.153 compare

See the full ranking of 176 places →

More reference data data for Italy

All data for Italy →

Frequently asked questions

What is political centralization index in Italy?
Political centralization index in Italy was 0.162 in 2025, according to Our World in Data.
What is the highest political centralization index recorded in Italy?
The highest recorded value was 0.944 in 1927.
What is the lowest political centralization index recorded in Italy?
The lowest recorded value was 0.083 in 2017.
How does Italy rank for political centralization index?
Italy ranks 125th out of 176 countries with data for 2025.
Is political centralization index rising or falling in Italy?
Over the last ten years it is up 80.0%. The long-run trend across the full record is volatile.
Where does this Italy 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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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.

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

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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