Distribution of Democracy Index in Japan

Japan: Distribution of Democracy Index was 20 in 2018. ◆ Volatile

Latest (2018)
20
Change on year
unchanged
World rank
1st
of 168 countries
All-time high
20
in 1952
All-time low
0
in 1800
Years of data
212
1800–2018

Distribution of Democracy Index in Japan, 1800–2018

05101520180019092018

Source: Polity 5 (2020) – processed by Our World in Data.

Analysis

Japan recorded 20 for distribution of democracy index in 2018. That is the highest value across all 212 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, distribution of democracy index in Japan peaked at 20 in 1952 and was at its lowest, 0, in 1800.

Japan ranks 1st of 168 countries on this measure, in the top 10%.

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

Distribution of Democracy Index in Japan, year by year

Annual values for Distribution of Democracy Index in Japan, 1800 to 2018.
Year Value Change
1800 0
1801 0
1802 0
1803 0
1804 0
1805 0
1806 0
1807 0
1808 0
1809 0
1810 0
1811 0
1812 0
1813 0
1814 0
1815 0
1816 0
1817 0
1818 0
1819 0
1820 0
1821 0
1822 0
1823 0
1824 0
1825 0
1826 0
1827 0
1828 0
1829 0
1830 0
1831 0
1832 0
1833 0
1834 0
1835 0
1836 0
1837 0
1838 0
1839 0
1840 0
1841 0
1842 0
1843 0
1844 0
1845 0
1846 0
1847 0
1848 0
1849 0
1850 0
1851 0
1852 0
1853 0
1854 0
1855 0
1856 0
1857 0
1858 1
1859 2 +100.0%
1860 3 +50.0%
1861 4 +33.3%
1862 5 +25.0%
1863 6 +20.0%
1864 7 +16.7%
1865 8 +14.3%
1866 9 +12.5%
1867 10 +11.1%
1868 11 +10.0%
1869 11 +0.0%
1870 11 +0.0%
1871 11 +0.0%
1872 11 +0.0%
1873 11 +0.0%
1874 11 +0.0%
1875 11 +0.0%
1876 11 +0.0%
1877 11 +0.0%
1878 11 +0.0%
1879 11 +0.0%
1880 11 +0.0%
1881 11 +0.0%
1882 11 +0.0%
1883 11 +0.0%
1884 11 +0.0%
1885 11 +0.0%
1886 11 +0.0%
1887 11 +0.0%
1888 11 +0.0%
1889 11 +0.0%
1890 11 +0.0%
1891 11 +0.0%
1892 11 +0.0%
1893 11 +0.0%
1894 11 +0.0%
1895 11 +0.0%
1896 11 +0.0%
1897 11 +0.0%
1898 11 +0.0%
1899 11 +0.0%
1900 11 +0.0%
1901 11 +0.0%
1902 11 +0.0%
1903 11 +0.0%
1904 11 +0.0%
1905 11 +0.0%
1906 11 +0.0%
1907 11 +0.0%
1908 11 +0.0%
1909 11 +0.0%
1910 11 +0.0%
1911 11 +0.0%
1912 11 +0.0%
1913 11 +0.0%
1914 11 +0.0%
1915 11 +0.0%
1916 11 +0.0%
1917 11 +0.0%
1918 11 +0.0%
1919 11 +0.0%
1920 11 +0.0%
1921 11 +0.0%
1922 11 +0.0%
1923 11 +0.0%
1924 11 +0.0%
1925 11 +0.0%
1926 11 +0.0%
1927 11 +0.0%
1928 11 +0.0%
1929 11 +0.0%
1930 11 +0.0%
1931 11 +0.0%
1932 11 +0.0%
1933 11 +0.0%
1934 11 +0.0%
1935 11 +0.0%
1936 11 +0.0%
1937 11 +0.0%
1938 11 +0.0%
1939 11 +0.0%
1940 11 +0.0%
1941 11 +0.0%
1942 11 +0.0%
1943 11 +0.0%
1944 11 +0.0%
1952 20 +81.8%
1953 20 +0.0%
1954 20 +0.0%
1955 20 +0.0%
1956 20 +0.0%
1957 20 +0.0%
1958 20 +0.0%
1959 20 +0.0%
1960 20 +0.0%
1961 20 +0.0%
1962 20 +0.0%
1963 20 +0.0%
1964 20 +0.0%
1965 20 +0.0%
1966 20 +0.0%
1967 20 +0.0%
1968 20 +0.0%
1969 20 +0.0%
1970 20 +0.0%
1971 20 +0.0%
1972 20 +0.0%
1973 20 +0.0%
1974 20 +0.0%
1975 20 +0.0%
1976 20 +0.0%
1977 20 +0.0%
1978 20 +0.0%
1979 20 +0.0%
1980 20 +0.0%
1981 20 +0.0%
1982 20 +0.0%
1983 20 +0.0%
1984 20 +0.0%
1985 20 +0.0%
1986 20 +0.0%
1987 20 +0.0%
1988 20 +0.0%
1989 20 +0.0%
1990 20 +0.0%
1991 20 +0.0%
1992 20 +0.0%
1993 20 +0.0%
1994 20 +0.0%
1995 20 +0.0%
1996 20 +0.0%
1997 20 +0.0%
1998 20 +0.0%
1999 20 +0.0%
2000 20 +0.0%
2001 20 +0.0%
2002 20 +0.0%
2003 20 +0.0%
2004 20 +0.0%
2005 20 +0.0%
2006 20 +0.0%
2007 20 +0.0%
2008 20 +0.0%
2009 20 +0.0%
2010 20 +0.0%
2011 20 +0.0%
2012 20 +0.0%
2013 20 +0.0%
2014 20 +0.0%
2015 20 +0.0%
2016 20 +0.0%
2017 20 +0.0%
2018 20 +0.0%

Japan compared with similar countries

  • Japan's 20 is above the median for high income countries, which is 20, 1.0× the median. (50 countries reporting)
  • Japan's 20 is above the median for East Asia & Pacific, which is 17.5, 1.1× the median. (20 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1800s 0 0 0 10
1810s 0 0 0 10
1820s 0 0 0 10
1830s 0 0 0 10
1840s 0 0 0 10
1850s 0.3 0 2 10
1860s 7.4 3 11 10
1870s 11 11 11 10
1880s 11 11 11 10
1890s 11 11 11 10
1900s 11 11 11 10
1910s 11 11 11 10
1920s 11 11 11 10
1930s 11 11 11 10
1940s 11 11 11 5
1950s 20 20 20 8
1960s 20 20 20 10
1970s 20 20 20 10
1980s 20 20 20 10
1990s 20 20 20 10
2000s 20 20 20 10
2010s 20 20 20 9

Countries ranked near Japan

  1. 1 Australia 20 compare
  2. 1 Austria 20 compare
  3. 1 Canada 20 compare
  4. 1 Cape Verde 20 compare
  5. 1 Chile 20 compare
  6. 1 Costa Rica 20 compare
  7. 1 Cyprus 20 compare
  8. 1 Denmark 20 compare
  9. 1 Finland 20 compare
  10. 1 France 20 compare
  11. 1 Germany 20 compare
  12. 1 Greece 20 compare
  13. 1 Hungary 20 compare
  14. 1 Ireland 20 compare
  15. 1 Italy 20 compare
  16. 1 Lithuania 20 compare
  17. 1 Luxembourg 20 compare
  18. 1 Mauritius 20 compare
  19. 1 Mongolia 20 compare
  20. 1 Netherlands 20 compare
  21. 1 New Zealand 20 compare
  22. 1 Norway 20 compare
  23. 1 Poland 20 compare
  24. 1 Portugal 20 compare
  25. 1 Slovakia 20 compare
  26. 1 Slovenia 20 compare
  27. 1 Spain 20 compare
  28. 1 Sweden 20 compare
  29. 1 Switzerland 20 compare
  30. 1 Taiwan 20 compare
  31. 1 Uruguay 20 compare

See the full ranking of 168 places →

More social development data for Japan

All data for Japan →

Frequently asked questions

What is distribution of democracy index in Japan?
Distribution of democracy index in Japan was 20 in 2018, according to Polity 5 (2020) – processed by Our World in Data.
What is the highest distribution of democracy index recorded in Japan?
The highest recorded value was 20 in 1952.
What is the lowest distribution of democracy index recorded in Japan?
The lowest recorded value was 0 in 1800.
How does Japan rank for distribution of democracy index?
Japan ranks 1st out of 168 countries with data for 2018.
Is distribution of democracy index rising or falling in Japan?
Over the last ten years it is unchanged. The long-run trend across the full record is volatile.
Where does this Japan data come from?
The figures come from Polity 5 (2020) – processed by Our World in Data, published as part of Distribution of Democracy Index. Statizoid updates them automatically from the source API.

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Distribution of Democracy Index in Japan. Statizoid, drawing on Polity 5 (2020) – processed by Our World in Data. Retrieved 22 September 2026, from https://social-development.statizoid.com/stat/distribution-democracy-index-polity/japan/

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About this data

Indicator
Distribution of Democracy Index
Source
Polity 5 (2020) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
168 places, 18,366 data points, 1800–2018
Last refreshed

It combines information on the extent to which open, multi-party, and competitive elections choose a chief executive who faces comprehensive institutional constraints, and political participation is competitive. It ranges from 0 to 20 (fully democratic).