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Political centralization index in Poland

Poland: Political centralization index was 0.19 in 2025. ◆ Volatile

Latest (2025)
0.19
Change on year
up 1.1%
World rank
117th
of 176 countries
All-time high
0.963
in 1832
All-time low
0.029
in 2011
Years of data
170
1789–2025

Political centralization index in Poland, 1789–2025

00.20.40.60.81178919072025

Source: Our World in Data.

Analysis

The most recent figure for political centralization index in Poland is 0.19, measured in 2025.

That represents a change of up 1.1% on the previous year and up 111.1% over ten years.

Over the whole period, political centralization index in Poland peaked at 0.963 in 1832 and was at its lowest, 0.029, in 2011.

That places Poland 117th out of 176 countries with data for 2025, putting it 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 Poland, year by year

Year Value Change
1789 0.409 —
1790 0.409 +0.0%
1791 0.322 -21.3%
1792 0.322 +0.0%
1793 0.516 +60.2%
1794 0.804 +55.8%
1795 0.804 +0.0%
1807 0.459 -42.9%
1808 0.444 -3.3%
1809 0.444 +0.0%
1810 0.334 -24.8%
1811 0.334 +0.0%
1812 0.334 +0.0%
1813 0.894 +167.7%
1814 0.894 +0.0%
1815 0.761 -14.9%
1816 0.761 +0.0%
1817 0.761 +0.0%
1818 0.761 +0.0%
1819 0.761 +0.0%
1820 0.761 +0.0%
1821 0.761 +0.0%
1822 0.761 +0.0%
1823 0.761 +0.0%
1824 0.761 +0.0%
1825 0.837 +10.0%
1826 0.875 +4.5%
1827 0.875 +0.0%
1828 0.875 +0.0%
1829 0.875 +0.0%
1830 0.794 -9.3%
1831 0.289 -63.6%
1832 0.963 +233.2%
1833 0.963 +0.0%
1834 0.963 +0.0%
1835 0.963 +0.0%
1836 0.963 +0.0%
1837 0.963 +0.0%
1838 0.963 +0.0%
1839 0.963 +0.0%
1840 0.963 +0.0%
1841 0.963 +0.0%
1842 0.952 -1.1%
1843 0.952 +0.0%
1844 0.952 +0.0%
1845 0.952 +0.0%
1846 0.952 +0.0%
1847 0.952 +0.0%
1848 0.952 +0.0%
1849 0.952 +0.0%
1850 0.952 +0.0%
1851 0.952 +0.0%
1852 0.952 +0.0%
1853 0.952 +0.0%
1854 0.952 +0.0%
1855 0.952 +0.0%
1856 0.952 +0.0%
1857 0.952 +0.0%
1858 0.952 +0.0%
1859 0.952 +0.0%
1860 0.952 +0.0%
1861 0.952 +0.0%
1862 0.952 +0.0%
1863 0.952 +0.0%
1864 0.952 +0.0%
1865 0.952 +0.0%
1866 0.952 +0.0%
1918 0.204 -78.6%
1919 0.218 +6.9%
1920 0.133 -39.0%
1921 0.132 -0.8%
1922 0.124 -6.1%
1923 0.124 +0.0%
1924 0.124 +0.0%
1925 0.124 +0.0%
1926 0.24 +93.5%
1927 0.28 +16.7%
1928 0.358 +27.9%
1929 0.365 +2.0%
1930 0.387 +6.0%
1931 0.387 +0.0%
1932 0.387 +0.0%
1933 0.387 +0.0%
1934 0.387 +0.0%
1935 0.404 +4.4%
1936 0.404 +0.0%
1937 0.404 +0.0%
1938 0.404 +0.0%
1944 0.626 +55.0%
1945 0.643 +2.7%
1946 0.666 +3.6%
1947 0.666 +0.0%
1948 0.666 +0.0%
1949 0.666 +0.0%
1950 0.648 -2.7%
1951 0.648 +0.0%
1952 0.648 +0.0%
1953 0.648 +0.0%
1954 0.648 +0.0%
1955 0.648 +0.0%
1956 0.625 -3.5%
1957 0.589 -5.8%
1958 0.589 +0.0%
1959 0.589 +0.0%
1960 0.589 +0.0%
1961 0.6 +1.9%
1962 0.6 +0.0%
1963 0.6 +0.0%
1964 0.6 +0.0%
1965 0.6 +0.0%
1966 0.6 +0.0%
1967 0.6 +0.0%
1968 0.6 +0.0%
1969 0.6 +0.0%
1970 0.6 +0.0%
1971 0.6 +0.0%
1972 0.6 +0.0%
1973 0.6 +0.0%
1974 0.6 +0.0%
1975 0.6 +0.0%
1976 0.6 +0.0%
1977 0.6 +0.0%
1978 0.595 -0.8%
1979 0.595 +0.0%
1980 0.595 +0.0%
1981 0.614 +3.2%
1982 0.568 -7.5%
1983 0.568 +0.0%
1984 0.587 +3.3%
1985 0.589 +0.3%
1986 0.589 +0.0%
1987 0.524 -11.0%
1988 0.493 -5.9%
1989 0.207 -58.0%
1990 0.051 -75.4%
1991 0.032 -37.3%
1992 0.03 -6.3%
1993 0.03 +0.0%
1994 0.03 +0.0%
1995 0.03 +0.0%
1996 0.03 +0.0%
1997 0.03 +0.0%
1998 0.03 +0.0%
1999 0.032 +6.7%
2000 0.032 +0.0%
2001 0.032 +0.0%
2002 0.032 +0.0%
2003 0.032 +0.0%
2004 0.032 +0.0%
2005 0.032 +0.0%
2006 0.034 +6.3%
2007 0.034 +0.0%
2008 0.034 +0.0%
2009 0.034 +0.0%
2010 0.03 -11.8%
2011 0.029 -3.3%
2012 0.029 +0.0%
2013 0.032 +10.3%
2014 0.044 +37.5%
2015 0.09 +104.5%
2016 0.152 +68.9%
2017 0.237 +55.9%
2018 0.302 +27.4%
2019 0.326 +7.9%
2020 0.361 +10.7%
2021 0.378 +4.7%
2022 0.366 -3.2%
2023 0.334 -8.7%
2024 0.188 -43.7%
2025 0.19 +1.1%

Poland compared with similar countries

  • Poland's 0.19 is above the median for high income countries, which is 0.09, 2.1× the median. (55 countries reporting)
  • Poland's 0.19 is above the median for Europe & Central Asia, which is 0.1585, 1.2× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1780s 0.409 0.409 0.409 1
1790s 0.5295 0.322 0.804 6
1800s 0.449 0.444 0.459 3
1810s 0.6595 0.334 0.894 10
1820s 0.8142 0.761 0.875 10
1830s 0.8787 0.289 0.963 10
1840s 0.9542 0.952 0.963 10
1850s 0.952 0.952 0.952 10
1860s 0.952 0.952 0.952 7
1910s 0.211 0.204 0.218 2
1920s 0.2004 0.124 0.365 10
1930s 0.3946 0.387 0.404 9
1940s 0.6555 0.626 0.666 6
1950s 0.628 0.589 0.648 10
1960s 0.5989 0.589 0.6 10
1970s 0.599 0.595 0.6 10
1980s 0.5334 0.207 0.614 10
1990s 0.0325 0.03 0.051 10
2000s 0.0328 0.032 0.034 10
2010s 0.1271 0.029 0.326 10
2020s 0.3028 0.188 0.378 6

Countries ranked near Poland

  1. 114 Singapore 0.198 compare
  2. 115 Solomon Islands 0.197 compare
  3. 116 Malawi 0.193 compare
  4. 118 Namibia 0.184 compare
  5. 119 Kenya 0.18 compare
  6. 120 Malta 0.176 compare

See the full ranking of 176 places →

More reference data data for Poland

All data for Poland →

Frequently asked questions

What is political centralization index in Poland?
Political centralization index in Poland was 0.19 in 2025, according to Our World in Data.
What is the highest political centralization index recorded in Poland?
The highest recorded value was 0.963 in 1832.
What is the lowest political centralization index recorded in Poland?
The lowest recorded value was 0.029 in 2011.
How does Poland rank for political centralization index?
Poland ranks 117th out of 176 countries with data for 2025.
Is political centralization index rising or falling in Poland?
Over the last ten years it is up 111.1%. The long-run trend across the full record is volatile.
Where does this Poland 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 — 170 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 Poland. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/political-centralization-index/poland/

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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