Daftar prefektur Jepang berdasarkan populasi
Rujukan dan catatan

↑  Population estimates for October 1, 2011 are according to those reported by the Statistics Bureau of Japan. Area estimates for October 1, 2011 are according to those reported by the Geographical Survey Institute of Japan. See Area of Japanese Prefectures as of October 1, 2011 Diarsipkan August 1, 2012, di Archive.is (Japanese only).
↑  Census population for October 1, 2010 is according to the 2010 Population Census of Japan.
↑  https://the-japan-news.com/news/article/0002776944%5B%5D
↑  Kepadatan populasi Hokkaidō dihitung tidak termasuk wilayah kepulauan Habomai-guntō (99,94 km²), Shikotan-tō (253,33 km²), Kunashiri-tō (1498,83 km²) dan Etorofu-tō (3184,04 km²) (termasuk pulau-pulau yang terhubung). Kepadatan populasi Shimane-ken dihitung tidak termasuk area Take-shima (0,21 km²). Kepadatan populasi Jepang dihitung tidak termasuk wilayah ini.
1 2  Termasuk Kepulauan Ogasawara sejak 26 Juni 1968.
↑  Termasuk Kepulauan Amami sejak 25 Desember 1953; Kepulauan Tokara Selatan (Toshima-mura, Ōshima-gun) sejak 10 Februari 1952. Data untuk tahun 1948 tidak termasuk Kepulauan Tokara Utara (Mishima, meskipun mereka sudah menjadi bagian dari Kagoshiwa.
1 2 3  Okinawa di bawah pemerintahan Administrasi Sipil Amerika Serikat di Kepulauan Ryukyu dikembalikan ke Jepang sebagai Okinawa-ken pada 15 Mei 1972.
↑  Sebanyak 73 orang yang tinggal di perbatasan yang dipersengketakan antara Nagano-ken dan Gifu-ken termasuk dalam total populasi Jepang. Sensus Ryūkyū tahun 1960 diambil pada 1 Desember.
↑  Sensus Luar Biasa Ryūkyū tahun 1955 diambil pada 1 Desember.
↑  Sensus Penduduk Ryūkyū tahun 1950 diambil pada 1 Desember berdasarkan konsep populasi de facto. Populasi Ryūkyū termasuk 219.048 orang di Kepulauan Amami.
↑  Populasi Okinawa tidak disurvei.
↑  Termasuk Kepulauan Amami sejak 25 Desember 1953; Kepulauan Tokara Selatan (Toshima-mura, Ōshima-gun) sejak 10 Februari 1952, Data untuk tahun 1948 tidak termasuk Kepulauan Tokara Utara (Mishima, meskipun mereka sudah menjadi bagian dari Kagoshiwa.
1 2 3 4 5 6 7 8 9  Kaitaku-shi (Komisi Pengembangan) dipecah menjadi tiga prefektur Sapporo-, Hakodate- dan Nemuro-ken pada 8 Februari 1882, tetapi dipersatukan kembali dengan Hokkaidō-chō (Badan Hokkaidō) pada 26 Januari 1886. Hokkaidō menjadi setara dengan prefektur lainnya pada tanggal 3 Mei 1947 dengan penghapusan Hokkaidō-chō, tetapi hanya disebut Hokkaidō sejak era Hokkaidō-chō
1 2  Tōkyō-fu (urban prefecture) became Tōkyō-to (metropolitan) on July 1. 1943.
↑  Okinawa-ken diduduki dan menjadi subyek Pemerintah Militer Amerika Serikat pada akhir Perang Dunia II.
↑  Karafuto-fu was incorporated to Japan Proper on March 26. 1943. but was occupied and annexed to Soviet Russia at the end of the World War II.
1 2 3 4 5 6 7 8 9 10  Ashigara-ken berpisah dan dianeksasi ke Kanagawa- dan Shizuoka-ken pada 18 April 1876. Hamamatsu-ken dianeksasi ke Shizuoka-ken pada 21 Agustus 1876. Penggabungan Ogasawara-tō ke Jepang diakui secara internasional pada tahun 1876. Tujuh Pulau Izu dipindahkan dari Shizuoka-ken ke Tōkyō-fu (hampir sama dengan 23 distrik khusus Tōkyō) pada 11 Januari 1878. Ogasawara-tō menjadi wilayah administratif Tōkyō-fu pada 8 Oktober 1880. Tiga distrik Tama dipindahkan dari Kanagawa-ken ke Tōkyō-fu pada 1 April 1893.
1 2 3 4 5  Nara-ken (same with the present-day Nara-ken) was annexed to Sakai-ken on April 18, 1876,  Sakai-ken was annexed to Ōsaka-fu on February 7, 1881,  Nara-ken was split from Ōsaka-fu on November 4, 1887.
1 2 3 4 5 6 7 8 9 10 11 12 13  Ishizuchi- and Kamiyama-ken were united to Ehime-ken on February 20, 1873,  On the same day, Kagawa-ken (same with the present-day Kagawa-ken) was annexed to Myōdō-ken, but was split from Myōdō-ken on September 5, 1875,  Toyo'oka-ken was split and annexed to Hyōgo-ken and Kyōto-fu on August 21, 1876,  On the same day, Shikama-ken was annexed to Hyōgo-ken,  On the same day, Myōdō-ken was split and annexed to Kōchi-ken and Hyōgo-ken (the region of Myōdō-ken annexed to Kōchi-ken is the same with the present-day Tokushima-ken, while that annexed to Hyōgo-ken is the former Awaji Province),  On the same day, Kagawa-ken was annexed to Ehime-ken,  Tokushima-ken was split from Kōchi-ken on March 2, 1880,  Kagawa-ken was split from Ehime-ken on December 3, 1888.
1 2 3 4 5 6 7 8  
Kokura-ken was annexed to Fukuoka-ken on April 18, 1876,  On the same day, Saga-ken (same with the present-day Saga-ken) was annexed to Mizuma-ken,  Mizuma-ken was split and annexed to Nagasaki- and Fukuoka-ken, while small part of Fukuoka-ken was annexed to Ōita-ken on August 21, 1876,  Saga-ken was split from Nagasaki-ken on May 9, 1883.
1 2 3 4 5  Miyakonojō-ken was split and annexed to Kagoshima- and Miyazakia-ken on January 15, 1873,  Miyazaki-ken was annexed to Kagoshima-ken on August 21, 1876, but was split from Kagoshima-ken on May 9, 1883.
↑  Honseki population here includes imperial families.
↑  Populasi Okinawa-ken adalah yang disurvei pada tahun 1880. Pengenalan sistem registrasi Jepang ke Okinawa-ken mengkonfirmasi bahwa lebih dari setengah penduduknya ditekan.
↑  Populasi Kaitaku-shi dan Ryūkyū-han adalah orang-orang yang disurvei pada tahun 1873. Tanggal 8 Maret 1872 sama dengan hari ke-29 bulan pertama tahun 5 Meiji menurut kalender Jepang tradisional berakhir pada tanggal 31 Desember 1872.
1 2 3 4 5 6 7  Mizusawa-ken was renamed to Iwai-ken on November 22, 1875,  Iwai-ken was split and annexed to Iwate- and Miyazaki-ken on April 18, 1876,  Iwasaki-ken was split and annexed to Fukushima- and Miyagi-ken on August 21, 1876,  On the same day, Wakamatsu-ken was annexed to Fukushima-ken.
1 2 3 4  Sakata-ken was renamed to Tsuruoka-ken on August 31, 1875,  Tsuruoka-ken and Okitama-ken were annexed to Yamagata-ken on August 21, 1876.
1 2 3 4 5  Inba- and Kisarazu-ken were united to Chiba-ken on June 15, 1873,  Niihari-ken was split and annexed to Ibaraki- and Chiba-ken on May 7, 1875.
1 2 3 4 5 6  Utsunomiya-ken was annexed to Tochigi-ken on June 15, 1873,  On the same day, Gunma-ken and Iruma-ken were united to Kumagaya-ken,  Tochigi-, Kumagaya- and Saitama-ken were reorganized into Tochigi- (composed of majority of former Tochigi-ken), Gunma- (composed of part of former Kumagaya-ken and part of former Tochigi-ken) and Saitama-ken (composed of former Saitama-ken and part of former Kumagaya-ken) on August 21, 1876.
1 2 3  Kashiwazaki-ken was annexed to Niigata-ken on June 10, 1873,  Aikawa-ken was annexed to Niigata-ken on April 18, 1876.
1 2 3 4 5 6 7 8  Nanao-ken was split and annexed to Niikawa- and Ishikawa-ken on October 27, 1872 (25th day of the 9th month, Meiji 5),  Inukami-ken was annexed to Shiga-ken on October 30, 1872 (28th day of the 9th month, Meiji 5),  Asuwa-ken was annexed to Tsuruga-ken on January 4, 1873,  Niikawa-ken (same with the present-day Toyama-ken) was annexed to Ishikawa-ken on April 18, 1876,  Tsuruga-ken (same with the present-day Fukui-ken) was split and annexed to Ishikawa- and Shiga-ken on August 21, 1876, but was split from Ishikawa- and Shiga-ken to reunite into Fukui-ken on February 7, 1881,  Toyama-ken was split from Ishikawa-ken on May 9, 1883.
1 2 3  Chikuma-ken was split and annexed to Nagano- and Gifu-ken on August 21, 1876.
1 2  Nukata-ken was annexed to Aichi-ken on December 27, 1872 (27th day of the 11th month, Meiji 5).
1 2  Watari-ken was annexed to Mie-ken on April 18, 1876.
1 2 3  Hamada-ken was annexed to Shimane-ken on April 18, 1876,  Tottori-ken was annexed to Shimane-ken on August 21, 1876, but was split from Shimane-ken on September 12, 1881.
1 2 3 4  Oda-ken was annexed to Okayama-ken on December 10, 1875,  Hokujō-, Okayama- and Hiroshima-ken were reorganized into Okayama-ken (composed of former Hokujō-ken and majority of Okayama-ken) and Hiroshima-ken (composed of former Hiroshima-ken and part of Okayama-ken) on April 18, 1876.
1 2 3  Yatsushiro-ken was annexed to Shirakawa-ken on January 15, 1873,  Shirakawa-ken was renamed to Kumamoto-ken on February 22, 1876
1 2  Ryūkyū Kingdom was officially annexed to Japan on March 11, 1879, though Meiji government treated Ryūkyū as a part of Japan before that.
↑  Abolished on August 9, 1871 (23rd day of the 6th month, Meiji 4) and was annexed to Ōtsu-ken.
↑  Abolished on July 19, 1871 (2nd day of the 6th month, Meiji 4) and was divided and annexed to Ina-ken and Nakano-ken.
↑  Abolished on August 11, 1871 (25th day of the 6th month, Meiji 4) and was annexed to Hamada-ken.
↑  Abolished on August 5, 1871 (19th day of the 6th month, Meiji 4) and was annexed to Yamaguchi-han.
↑  Populations by references (1) and (3) includes those di the Ryūkyū-koku, while the population by reference (2) does not,  According to "Hansei-ichiran", population of Ryūkyū is 124.454 (51.751 samurai plus 72.703 commons), while that of mainland is 772.354 (192.949 samurai plus 579.405 commons), affording 896.808 (244.700 samurai plus 652.108 commons) di total.