Japan has 14,125[1] islands. Approximately 430 are inhabited.[2][3] This list provides basic geographical data of the most prominent islands belonging or claimed by Japan.
Name
area, sq.km
maximal height, m
population
Prefecture
Honshu
225,800
3,776
104,000,000
34 prefectures
Kyushu
36,782
1,791
12,970,479
7 prefectures
Hokkaido
83,423
2,290
5,348,102
Hokkaido
Shikoku
18,297
1,982
3,796,687
4 prefectures
Okinawa
1,206
503
1,301,462
Okinawa
Awaji
592
606
157,000
Hyōgo
Shimoshima, Amakusa
574
538
87,191
Kumamoto
Amami Ōshima
712
694
73,000
Kagoshima
Miyako-jima
158
115
55,914
Okinawa
Sado
854
1,172
55,474
Niigata
Ishigaki
222
526
47,000
Okinawa
Tsushima
709
649
39,716
Nagasaki
Fukue
326
461
38,481
Nagasaki
Kamishima, Amakusa
225
682
34,412
Kumamoto
Tanegashima
444
282
33,000
Kagoshima
Hikoshima
11
112
30,182
Yamaguchi
Shōdoshima
153
817
28,764
Kagawa
Iki
134
213
28,008
Nagasaki
Mukaishima
23
283
28,000
Hiroshima
Innoshima
35
390
27,465
Hiroshima
Tokunoshima
247
645
27,000
Kagoshima
Etajima
91
400
24,596
Hiroshima
Ōmishima, Ehime
65
437
23,398
Ehime
Hirado
163
535
21,355
Nagasaki
Nakadori
168
442
20,167
Nagasaki
Suō-Ōshima
128
691
19,739
Yamaguchi
Kurahashi-jima
69
491
19,565
Hiroshima
Okinoerabujima
93
246
15,000
Kagoshima
Dōgojima
242
607
14,849
Shimane
Ōyano-jima
30
229
14,729
Kumamoto
Yakushima
504
1,935
13,178
Kagoshima
Nagashima, Kagoshima
91
403
10,120
Kagoshima
Kume Island
59
310
10,000
Okinawa
Hario
33
174
9,767
Nagasaki
Ikuchi-jima
31
472
9,310
Hiroshima
Hachijō-jima
63
854
8,363
Tokyo
Izu Ōshima
91
764
8,179
Tokyo
Kunashiri N
1,490
1,819
7,800
Hokkaido
Hakata
21
304
7,683
Ehime
Kikaijima
57
214
7,657
Kagoshima
Etorofu N
3,174
1,634
7,500
Hokkaido
Ikitsuki, Nagasaki
17
286
7,014
Nagasaki
Irabu-jima
29
89
6,283
Okinawa
Yoronjima
21
98
6,000
Kagoshima
Ōsakishimo-jima
18
449
6,000
Hiroshima
Oshima
12
163
5,725
Nagasaki
Rishiri
183
1,721
5,102
Hokkaido
Ie-jima
23
172
4,198
Okinawa
Goshoura
13
442
3,615
Kumamoto
Nishinoshima
56
452
3,400
Shimane
Okushiri
142
584
3,343
Hokkaido
Fukushima, Nagasaki
17
141
3,202
Nagasaki
Rebun
80
490
3,194
Hokkaido
Notojima
47
197
3,187
Ishikawa
Ōsakikamijima
38
453
3,187
Hiroshima
Naka-jima, Ehime
21
293
2,938
Ehime
Kamikoshiki-jima
45
423
2,796
Kagoshima
Shimokoshiki-jima
66
604
2,780
Kagoshima
Naru Island
24
276
2,776
Nagasaki
Nii-jima
23
432
2,700
Tokyo
Kamikamagari-jima
19
457
2,658
Hiroshima
Uku-jima
25
258
2,575
Nagasaki
Takashima, Nagasaki
16
117
2,487
Nagasaki
Ojika
12
111
2,433
Nagasaki
Miyake-jima
55
775
2,415
Tokyo
Nakanoshima
32
164
2,400
Shimane
Iriomote
289
470
2,347
Okinawa
Minamidaitōjima
31
75
2,107
Okinawa
Shikotan N
247
412
2,100
Hokkaido
Chichijima
23
326
2,000
Tokyo
Nagashima, Yamaguchi
14
314
2,000
Yamaguchi
Kōzu-shima
18
571
1,952
Tokyo
Ōshima (Ehime)
42
382
1,800
Ehime
Itsukushima
30
535
1,800
Hiroshima
Yonaguni
29
231
1,745
Okinawa
Wakamatsu
31
339
1,661
Nagasaki
Kakeromajima
77
314
1,600
Kagoshima
Izena
15
120
1,518
Okinawa
Azuchi-Ōshima
15
177
1,269
Nagasaki
Iheya-jima
21
98
1,214
Okinawa
Ōmi-jima
15
320
1,200
Yamaguchi
Teshima
15
340
1,200
Kagawa
Tarama-jima
20
34
1,185
Okinawa
Shishi-jima
17
393
1,050
Kagoshima
Hiroshima, Kagawa
12
453
800
Kagawa
Kasado-jima
12
256
800
Yamaguchi
Tokashiki
15
227
750
Okinawa
Kitadaitōjima
12
74
660
Okinawa
Chiburijima
14
325
650
Shimane
Heigun
17
468
591
Yamaguchi
Hateruma
13
60
490
Okinawa
Hahajima
20
462
450
Tokyo
Hisaka
37
357
395
Nagasaki
Mikura-jima
20
851
351
Tokyo
Okinoshima
10
404
283
Kōchi
Awashima, Niigata
10
266
265
Niigata
Kuroshima
10
15
220
Okinawa
Uke
13
400
200
Kagoshima
Kuroshima
15
622
199
Kagoshima
Nakanoshima
34
979
167
Kagoshima
Kuchinoerabu-jima
38
657
147
Kagoshima
Kuchinoshima
13
629
140
Kagoshima
Iōjima
12
704
121
Kagoshima
Suwanosejima
28
796
48
Kagoshima
Kakuijima
10
245
12
Okayama
Kinkasan
10
445
6
Miyagi
Shibotsu N
58
45
0
Hokkaido
Iwo Jima
21
161
0
Tokyo
Suishō-tō N
12
18
0
Hokkaido
Taraku N
11
16
0
Hokkaido
Yuri N
10
44
0
Hokkaido
Oshima (Hokkaido)
10
732
0
Hokkaido
Takeshima N
0
169
0
Shimane
Nclaimed but not controlled
^"Recount with digital map leads to doubling of listed Japanese islands". Japan Times. Feb 15, 2023. Archived from the original on Feb 15, 2023.
^Look Japan, Vol. 43, Issues 493-504, p. 35; retrieved 2013-3-2.
^"離島とは(島の基礎知識)" (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Archived from the original (website) on November 13, 2007. Retrieved 3 October 2018.
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