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List of Japanese prefectures by population

This is a list of Japanese prefectures by population. For details of administrative divisions of Japan, see Prefectures of Japan.

Prefectures of Japan ranked by population as of October 1, 2022

Prefectures of Japan ranked by population as of October 1, 2020

Prefectures of Japan ranked by population as of October 1, 2015

Prefectures of Japan ranked by population as of October 1, 2011

Figures here are according to the official estimates of Japan as of October 1, 2011, except for the census population held on October 1, 2010. Population is given according to the de jure population concept for enumerating the people. That is, a person was enumerated at the place where they usually lived, and was counted as the population of the area including the place. Ranks are given by the estimated population as of October 1, 2011.

Historical demography of prefectures of Japan

Population before 1920 was calculated based on information of , while door-to-door censuses have been held every 5 years as of October 1 since 1920, except for 1945.

As for prefectural populations before 1945, figures are only given for prefectures that officially constituted . (Southern Sakhalin) was officially incorporated into Japan Proper from March 26, 1943 until the end of the World War II, while Taiwan, the Kwantung Leased Territory, Korea and the South Seas Mandate were treated as . At the end of war, Japan lost sovereignty over Southern Sakhalin and the Kuril Islands (part of Hokkaidō, which Japan partly disputes). For the population of the colonies of the former Empire of Japan, see Demographics of Imperial Japan.

1948 to 2020

Population in the following table is given according to the de jure population concept for enumerating the people.

  • Source: Census of Japan (as of October 1 for the years of 2020, 2015, 2010, 2005, 2000, 1995, 1990, 1985, 1980, 1975, 1970, 1965, 1960, 1955 and 1950),
:De jure Population Census of Japan (as of August 1, 1948),
:Census of Ryūkyū (as of October 1, 1970, December 1, 1960 and December 1, 1950),
:Extraordinary Census of Ryūkyū (as of October 1, 1965 and December 1, 1955).

1920 to 1947

Population in the following table is given according to the de facto population concept for enumerating the people.

  • Source: Extraordinary Census of Japan (as of October 1, 1947),
:Population Census of Japan (as of April 26, 1946, November 1, 1945 and February 22, 1944),
:Census of Japan (as of October 1 for the years of 1940, 1935, 1930, 1925 and 1920).

1884 to 1918

Population in the following tables is given according to the A-type de facto population concept for enumerating the people, based on koseki registration systems.

  • Source: Imperial Japan Static Population Statistics (as of December 31 for the years of 1918, 1913, 1908 and 1903),
:Imperial Japan Population Statistics (as of December 31, 1898),
:Imperial Japan Registered Household Tables (as of December 31 for the years of 1897, 1896, 1895, 1894, 1893, 1892, 1891, 1890, 1889, 1888, 1887 and 1886),
:Japan Registered Household Tables (as of January 1, 1886),
:Japan Household Tables (as of January 1 for the years of 1885 and 1884).

1872 to 1883

Population in the following table is given according to the population concept for enumerating the people, based on koseki registration system.

  • Source: Japan Household Tables (as of January 1 for the years of 1883, 1882, 1878 and 1877),
:Japan Population Tables (as of January 1 for the years of 1881 and 1880),
:Japan Gun Ku Population Tables (as of January 1, 1879),
:Japan Registered Population Tables (as of January 1, for the years of 1876, 1875, 1874 and 1873; and as of March 8, 1872).

1868 to 1871

Several demographic data remain for three ,(i.e. Kyōto-fu, Ōsaka-fu and Tōkyō-fu), 266 , 40 and one (i.e. Kaitaku-shi only in Hokkaidō) that existed for short time between Meiji Restoration and the Abolition of the han system, though not thoroughly surveyed. Prefectural system was only introduced to which the Meiji government gained from Tokugawa shogunate or the revolted , while many areas still belonged to local lordship governments. The table below summarizes demographic data from three sources.

Source: (ref.1): Table of households for shi, fu and ken (Meiji-shi-yō).

:(ref.2): Kokudaka and Population Table of fu, han and ken (Ōkuma Shigenobu collection).
:(ref.3): Bunzo Kure, "Estate population Table of fu, han and ken" Tōkei Shūshi (Statistics Bulletin) no. 8 pp. 96–107 (1882). Estate populations were also given.

Statistical data were given as of August 29, 1871 (29th day of the 8th month, Meiji 4) for (1), as of February 2, 1869 (1st day of the 1st month, Meiji 2), for (2) or uncertain for (3), although all these populations seemed to be collected from several koseki populations surveyed in 1869 and 1870. Naotarō Sekiyama noted that the population of Japan as of August, 1870 (7th month, Meiji 3) was 32,794,897 (Kinsei Nihon jinkō-no kenkyū (Study of the Population of Japan in the Early Modern Period) (1948)).

It is quite apparent that the above demographic data contain many textual errors, but could not be corrected because the original unpublished reports preserved at the office of the Ministry of Interior of Japan were burned by a fire after the 1923 Great Kantō earthquake.

For demographic data during the Edo period, see Demographics of Japan before Meiji Restoration.

See also

References

External links

Notes