List of Japanese prefectures by area

For details of administrative divisions of Japan, see Prefectures of Japan.

This is the list of Japanese prefectures by area.

## Prefectures of Japan ranked by area as of October 1, 2015

[edit]

Figures here are according to the official estimates of Japan.[1] Ranks are given by estimated areas. Undetermined areas here account for domestic boundary regions either in uncertainty or disputed among Japanese prefectures.

Rank  | Prefecture  | Japanese  | Estimated
Area
(km2)[2] | Determined
Area
(km2)[3] | Undetermined
Area
(km2)[4] | Population  | Density
(/km2)  | Inhabitable Area[citation needed] | Forest
Area
(%)[citation needed] | Capital

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(km2)  | Density
(/km2)
1 | Hokkaido | 北海道 | 83,424.31 | 83,424.31 |  | 5,381,733 | 64.51 | 22,372.86 | 240.55 | 63.8% | Sapporo
2 | Iwate | 岩手県 | 15,275.01 | 15,275.01 |  | 1,279,594 | 83.77 | 3,714.01 | 344.53 | 74.9% | Morioka
3 | Fukushima | 福島県 | 13,783.74 | 13,783.74 |  | 1,914,039 | 138.86 | 4,217.02 | 453.88 | 67.9% | Fukushima
4 | Nagano | 長野県 | 13,561.56 | 13,104.29 | 457.27 | 2,098,804 | 154.76 | 3,225.52 | 650.69 | 75.5% | Nagano
5 | Niigata | 新潟県 | 12,584.10 | 10,363.99 | 2,220.11 | 2,304,264 | 183.11 | 4,535.27 | 508.08 | 63.5% | Niigata
6 | Akita | 秋田県 | 11,637.54 | 11,637.54 |  | 1,023,119 | 87.92 | 3,204.39 | 319.29 | 70.5% | Akita
7 | Gifu | 岐阜県 | 10,621.29 | 9,768.57 | 852.72 | 2,031,903 | 191.30 | 2,211.13 | 918.94 | 79.0% | Gifu
8 | Aomori | 青森県 | 9,645.59 | 9,645.59 |  | 1,308,265 | 135.63 | 3,229.50 | 405.10 | 63.8% | Aomori
9 | Yamagata | 山形県 | 9,323.15 | 6,651.83 | 2,671.32 | 1,123,891 | 120.55 | 2,884.80 | 389.59 | 68.7% | Yamagata
10 | Kagoshima | 鹿児島県 | 9,186.94 | 9,042.65 | 144.29 | 1,648,177 | 179.40 | 3,312.81 | 497.52 | 63.4% | Kagoshima
11 | Hiroshima | 広島県 | 8,479.45 | 8,479.45 |  | 2,843,990 | 335.40 | 2,310.91 | 1,230.68 | 71.8% | Hiroshima
12 | Hyogo | 兵庫県 | 8,400.96 | 8,400.96 |  | 5,534,800 | 658.83 | 2,782.95 | 1,988.82 | 66.7% | Kobe
13 | Shizuoka | 静岡県 | 7,777.42 | 7,252.60 | 524.82 | 3,700,305 | 475.78 | 2,749.49 | 1,345.82 | 63.1% | Shizuoka
14 | Miyazaki | 宮崎県 | 7,735.31 | 6,794.24 | 941.07 | 1,104,069 | 142.73 | 1,849.87 | 596.84 | 75.8% | Miyazaki
15 | Kumamoto | 熊本県 | 7,409.35 | 7,272.41 | 136.94 | 1,786,170 | 241.07 | 2,796.13 | 638.80 | 60.4% | Kumamoto
16 | Miyagi | 宮城県 | 7,282.22 | 6,858.62 | 423.60 | 2,333,899 | 320.49 | 3,154.83 | 739.79 | 55.9% | Sendai
17 | Okayama | 岡山県 | 7,114.50 | 7,010.92 | 103.58 | 1,921,525 | 270.09 | 2,218.89 | 865.98 | 68.0% | Okayama
18 | Kochi | 高知県 | 7,103.93 | 7,103.93 |  | 728,276 | 102.52 | 1,163.18 | 626.11 | 83.3% | Kōchi
19 | Shimane | 島根県 | 6,708.24 | 6,708.24 |  | 694,352 | 103.51 | 1,298.92 | 534.56 | 77.5% | Matsue
20 | Tochigi | 栃木県 | 6,408.09 | 6,408.09 |  | 1,974,255 | 308.09 | 2,982.76 | 661.89 | 53.2% | Utsunomiya
21 | Gunma | 群馬県 | 6,362.28 | 6,362.28 |  | 1,973,115 | 310.13 | 2,279.36 | 865.64 | 63.8% | Maebashi
22 | Oita | 大分県 | 6,340.71 | 5,100.28 | 1,240.43 | 1,166,338 | 183.94 | 1,798.91 | 648.36 | 70.6% | Oita
23 | Yamaguchi | 山口県 | 6,112.30 | 6,112.30 |  | 1,404,729 | 229.82 | 1,706.74 | 823.05 | 71.6% | Yamaguchi
24 | Ibaraki | 茨城県 | 6,097.06 | 6,097.06 |  | 2,916,976 | 478.42 | 3,974.86 | 733.86 | 31.0% | Mito
25 | Mie | 三重県 | 5,774.40 | 5,758.66 | 15.74 | 1,815,865 | 314.47 | 2,059.17 | 881.84 | 64.3% | Tsu
26 | Ehime | 愛媛県 | 5,676.11 | 5,676.11 |  | 1,385,262 | 244.05 | 1,673.14 | 827.94 | 70.3% | Matsuyama
27 | Aichi | 愛知県 | 5,172.48 | 5,123.48 | 49.00 | 7,483,128 | 1,446.72 | 2,987.77 | 2,504.59 | 42.2% | Nagoya
28 | Chiba | 千葉県 | 5,157.65 | 5,082.90 | 74.75 | 6,222,666 | 1,206.49 | 3,554.37 | 1,750.71 | 30.4% | Chiba
29 | Fukuoka | 福岡県 | 4,986.40 | 4,854.20 | 132.20 | 5,101,556 | 1,023.09 | 2,761.41 | 1,847.45 | 44.5% | Fukuoka
30 | Wakayama | 和歌山県 | 4,724.69 | 4,724.69 |  | 963,579 | 203.95 | 1,115.11 | 864.11 | 76.4% | Wakayama
31 | Kyoto | 京都府 | 4,612.19 | 4,612.19 |  | 2,610,353 | 565.97 | 1,173.81 | 2,223.83 | 74.2% | Kyoto
32 | Yamanashi | 山梨県 | 4,465.27 | 4,253.95 | 211.32 | 834,930 | 186.98 | 954.38 | 874.84 | 77.8% | Kōfu
33 | Toyama | 富山県 | 4,247.61 | 2,045.94 | 2,201.67 | 1,066,328 | 251.04 | 1,842.82 | 578.64 | 56.6% | Toyama
34 | Fukui | 福井県 | 4,190.49 | 4,190.49 |  | 786,740 | 187.74 | 1,077.27 | 730.31 | 73.9% | Fukui
35 | Ishikawa | 石川県 | 4,186.09 | 4,186.09 |  | 1,154,008 | 275.68 | 1,391.86 | 829.11 | 66.0% | Kanazawa
36 | Tokushima | 徳島県 | 4,146.65 | 4,146.65 |  | 755,733 | 182.25 | 1,010.20 | 748.10 | 75.2% | Tokushima
37 | Nagasaki | 長崎県 | 4,132.09 | 4,132.09 |  | 1,377,187 | 333.29 | 1,676.17 | 821.63 | 58.4% | Nagasaki
38 | Shiga | 滋賀県 | 4,017.38 | 3,766.99 | 250.39 | 1,412,916 | 351.70 | 1,307.26 | 1,080.82 | 50.5% | Ōtsu
39 | Saitama | 埼玉県 | 3,797.75 | 3,767.62 | 30.13 | 7,266,534 | 1,913.38 | 2,584.64 | 2,811.43 | 31.9% | Saitama
40 | Nara | 奈良県 | 3,690.94 | 3,690.94 |  | 1,364,316 | 369.64 | 855.53 | 1,594.70 | 76.8% | Nara
41 | Tottori | 鳥取県 | 3,507.05 | 3,507.05 |  | 573,441 | 163.51 | 900.75 | 636.63 | 73.3% | Tottori
42 | Saga | 佐賀県 | 2,440.68 | 2,440.68 |  | 832,832 | 341.23 | 1,335.61 | 623.56 | 45.2% | Saga
43 | Kanagawa | 神奈川県 | 2,415.83 | 2,415.83 |  | 9,126,214 | 3,777.67 | 1,470.59 | 6,205.82 | 38.8% | Yokohama
44 | Okinawa | 沖縄県 | 2,281.12 | 2,281.12 |  | 1,433,566 | 628.45 | 1,169.16 | 1,226.15 | 46.1% | Naha
45 | Tokyo | 東京都 | 2,190.93 | 2,106.23 | 84.70 | 13,515,271 | 6,168.74 | 1,418.40 | 9,528.53 | 34.8% | Tokyo
46 | Osaka | 大阪府 | 1,905.14 | 1,905.14 |  | 8,839,469 | 4,639.80 | 1,330.58 | 6,643.32 | 30.1% | Osaka
47 | Kagawa | 香川県 | 1,876.72 | 1,862.50 | 14.22 | 976,263 | 520.20 | 1,005.54 | 970.88 | 46.4% | Takamatsu
| Japan | 日本国 | 377,970.75 | 365,190.44 | 12,780.27 | 127,094,745 | 336.26 | 122,630.69 | 1,036.40 | 64.6% | Tokyo

## Prefectures of Japan ranked by area as of January 1, 1883

[edit]

Native registered (本籍, honseki) population for January 1, 1883 was calculated based on information of family registries (戸籍, koseki).[5] Areas were calculated based on maps drawn by Inō Tadataka.[6] Ranks are given by estimated areas.

Rank  | Prefectures  | Japanese  | Estimated

Area
(hōri)[7]

| Estimated

Area
(km2)

| honseki

Population

| Density

(/km2)

|
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1 | Sapporo-ken[8] | 札幌県 | 3,245.51 | 50,057.03 | 61,144 | 1.22
2 | Nemuro-ken[8] | 根室県 | 2,335.28 | 36,018.12 | 5,642 | 0.16
3 | Kagoshima-ken[9] | 鹿児島県 | 1,089.65 | 16,806.19 | 1,291,586 | 76.85
4 | Iwate-ken | 岩手県 | 899.19 | 13,868.63 | 611,735 | 44.11
5 | Fukushima-ken | 福島県 | 884.33 | 13,639.44 | 840,241 | 61.60
6 | Nagano-ken | 長野県 | 853.76 | 13,167.94 | 1,033,969 | 78.52
7 | Niigata-ken | 新潟県 | 786.33 | 12,127.94 | 1,586,599 | 130.82
8 | Akita-ken | 秋田県 | 754.00 | 11,629.30 | 633,203 | 54.45
9 | Gifu-ken | 岐阜県 | 671.45 | 10,356.09 | 868,333 | 83.85
10 | Aomori-ken | 青森県 | 607.03 | 9,362.51 | 488,505 | 52.18
11 | Yamagata-ken | 山形県 | 600.15 | 9,256.40 | 695,533 | 75.14
12 | Hyōgo-ken | 兵庫県 | 556.68 | 8,585.94 | 1,433,355 | 166.94
13 | Miyagi-ken | 宮城県 | 540.79 | 8,340.86 | 633,194 | 75.91
14 | Ishikawa-ken[10] | 石川県 | 537.13 | 8,284.41 | 1,428,073 | 172.38
15 | Hiroshima-ken | 広島県 | 520.78 | 8,032.24 | 1,252,811 | 155.97
16 | Hakodate-ken[8] | 函館県 | 514.57 | 7,936.46 | 117,063 | 14.75
17 | Shizuoka-ken | 静岡県 | 503.82 | 7,770.65 | 985,881 | 126.87
18 | Kumamoto-ken | 熊本県 | 465.47 | 7,179.16 | 997,830 | 138.99
19 | Kōchi-ken | 高知県 | 454.72 | 7,013.36 | 549,184 | 78.31
20 | Ehime-ken[11] | 愛媛県 | 454.67 | 7,012.59 | 1,491,614 | 212.71
21 | Shimane-ken | 島根県 | 435.82 | 6,721.86 | 674,984 | 100.42
22 | Okayama-ken | 岡山県 | 420.98 | 6,492.97 | 1,029,567 | 158.57
23 | Tochigi-ken | 栃木県 | 411.77 | 6,350.92 | 609,000 | 95.89
24 | Gunma-ken | 群馬県 | 407.25 | 6,281.21 | 613,410 | 97.66
25 | Ōita-ken | 大分県 | 402.73 | 6,211.49 | 746,411 | 120.17
26 | Nagasaki-ken[12] | 長崎県 | 395.23 | 6,095.82 | 1,212,157 | 198.85
27 | Yamaguchi-ken | 山口県 | 389.99 | 6,015.00 | 897,370 | 149.19
28 | Ibaraki-ken | 茨城県 | 385.16 | 5,940.50 | 920,876 | 155.02
29 | Mie-ken | 三重県 | 368.55 | 5,684.32 | 870,137 | 153.08
30 | Chiba-ken | 千葉県 | 326.45 | 5,034.99 | 1,124,085 | 223.25
31 | Fukuoka-ken | 福岡県 | 317.81 | 4,901.73 | 1,128,289 | 230.18
32 | Ōsaka-fu[13] | 大阪府 | 317.14 | 4,891.40 | 1,585,696 | 324.18
33 | Aichi-ken | 愛知県 | 312.78 | 4,824.15 | 1,354,996 | 280.88
34 | Wakayama-ken | 和歌山県 | 310.62 | 4,790.84 | 610,182 | 127.36
35 | Kyōto-fu | 京都府 | 296.55 | 4,573.83 | 840,951 | 183.86
36 | Yamanashi-ken | 山梨県 | 289.85 | 4,470.49 | 410,246 | 91.77
37 | Fukui-ken | 福井県 | 272.40 | 4,201.35 | 582,210 | 138.58
38 | Tokushima-ken | 徳島県 | 271.28 | 4,184.08 | 649,616 | 155.26
39 | Saitama-ken | 埼玉県 | 265.84 | 4,100.18 | 970,598 | 236.72
40 | Shiga-ken | 滋賀県 | 258.44 | 3,986.04 | 639,961 | 160.55
41 | Kanagawa-ken[14] | 神奈川県 | 229.17 | 3,534.60 | 800,925 | 226.60
42 | Tottori-ken | 鳥取県 | 224.16 | 3,457.33 | 379,747 | 109.84
43 | Okinawa-ken | 沖縄県 | 156.91 | 2,420.10 | 360,770 | 149.07
44 | Tōkyō-fu[14] | 東京府 | 52.32 | 806.96 | 999,623 | 1,238.76
| Japan | 日本国 | 24,794.51 | 382,417.41 | 37,017,302 | 96.80

## See also

[edit]

* List of Japanese prefectures by GDP
* List of Japanese prefectures by population
* ISO 3166-2 codes for Japan
* Government of Japan
* Prefectures of Japan

## External links

[edit]

* Geographical Survey Institute of Japan
* Statistics Bureau of Japan

## References and notes

[edit]

1. ^ Population estimates for October 1, 2015 are according to those reported by the Statistics Bureau of Japan. Area estimates for October 1, 2015 are according to those reported by the Geographical Survey Institute of Japan. See Area of Japanese Prefectures as of October 1, 2015 and Outline of the System of Social and Demographic Statistics of Japan.(in Japanese)
2. ^ Expediential values estimated by the Statistics Bureau, Ministry of Internal Affairs and Communications, because of the uncertainty of boundaries.
3. ^ Excludes undetermined (i.e. uncertain or disputed) areas.
4. ^ The sum of prefectural undetermined areas for each prefecture doubles the total prefectural undetermined areas in Japan.
5. ^ According to Japan Household Tables for January 1, Meiji 16 (1883). See Digital Library at the National Diet Library of Japan[permanent dead link‍]
6. ^ According to the 2nd Statistical Yearbook of the Empire of Japan (1883).
7. ^ 1 square ri (方里, hōri) = 15.4234711 km2.
8. ^ a b c Three prefectures of Sapporo-, Hakodate- and Nemuro-ken were united to Hokkaidō-chō (Hokkaidō Agency) on January 26, 1886.
9. ^ Includes present-day Miyazaki-ken split from Kagoshima-ken on May 9, 1883.
10. ^ Includes present-day Toyama-ken split from Ishikawa-ken on May 9, 1883.
11. ^ Includes present-day Kagawa-ken split from Ehime-ken on December 3, 1888.
12. ^ Includes present-day Saga-ken split from Nagasaki-ken on May 9, 1883.
13. ^ Includes Nara-ken split from Ōsaka-fu on November 4, 1887.
14. ^ a b Kanagawa-ken includes Three districts of Tama relegated from Kanagawa-ken to Tōkyō-fu on April 1, 1893.