| Island Name | Population | Area | % Correct |
|---|---|---|---|
| Hokkaido | 5,348,102 | 83,423 | 100%
|
| Honshu | 104,000,000 | 225,800 | 100%
|
| Kyushu | 12,970,479 | 36,782 | 95%
|
| Shikoku | 3,796,687 | 18,297 | 86%
|
| Okinawa | 1,301,462 | 1,206 | 84%
|
| Tsushima | 39,716 | 709 | 59%
|
| Sado | 55,474 | 854 | 52%
|
| Awaji | 157,000 | 592 | 45%
|
| Awashima | 265 | 10 | 45%
|
| Amami | 73,000 | 712 | 41%
|
| Ōshima | 8,179 | 91 | 41%
|
| Oshima | 5,725 | 12 | 41%
|
| Ōshima | 1,800 | 42 | 41%
|
| Yakushima | 13,178 | 504 | 36%
|
| Hachijō-jima | 8,363 | 63 | 34%
|
| Okushiri | 3,343 | 142 | 34%
|
| Rishiri | 5,102 | 183 | 34%
|
| Ishigaki | 47,000 | 222 | 32%
|
| Rebun | 3,194 | 80 | 32%
|
| Tanegashima | 33,000 | 444 | 32%
|
| Iki | 28,008 | 134 | 30%
|
| Shimoshima | 87,191 | 574 | 30%
|
| Shōdoshima | 28,764 | 153 | 30%
|
| Tokunoshima | 27,000 | 247 | 30%
|
| Etajima | 24,596 | 91 | 27%
|
| Kamishima | 34,412 | 225 | 27%
|
| Fukue | 38,481 | 326 | 25%
|
| Innoshima | 27,465 | 35 | 25%
|
| Mikura-jima | 351 | 20 | 25%
|
| Miyake | 2,415 | 55 | 25%
|
| Ōmi | 1,200 | 15 | 25%
|
| Ōmishima | 23,398 | 65 | 25%
|
| Hakata | 7,683 | 21 | 23%
|
| Iriomote | 2,347 | 289 | 23%
|
| Kōzu-shima | 1,952 | 18 | 23%
|
| Miyako-jima | 55,914 | 158 | 23%
|
| Nii-jima | 2,700 | 23 | 23%
|
| Okinoshima | 283 | 10 | 23%
|
| Hirado | 21,355 | 163 | 20%
|
| Chichijima | 2,000 | 23 | 18%
|
| Nagashima | 10,120 | 91 | 18%
|
| Nagashima | 2,000 | 14 | 18%
|
| Noto | 3,187 | 47 | 18%
|
| Okinoerabujima | 15,000 | 93 | 18%
|
| Takashima | 2,487 | 16 | 18%
|
| Yonaguni | 1,745 | 29 | 18%
|
| Hahajima | 450 | 20 | 16%
|
| Hisaka | 395 | 37 | 16%
|
| Kikai | 7,657 | 57 | 16%
|
| Kume | 10,000 | 59 | 16%
|
| Naka-jima | 2,938 | 21 | 16%
|
| Naru Island | 2,776 | 24 | 16%
|
| Teshima | 1,200 | 15 | 16%
|
| Wakamatsu | 1,661 | 31 | 16%
|
| Ie | 4,198 | 23 | 14%
|
| Iheya | 1,214 | 21 | 14%
|
| Izena | 1,518 | 15 | 14%
|
| Kitadaitōjima | 660 | 12 | 14%
|
| Minamidaitō | 2,107 | 31 | 14%
|
| Mukaishima | 28,000 | 23 | 14%
|
| Nishinoshima | 3,400 | 56 | 14%
|
| Suō-Ōshima | 19,739 | 128 | 14%
|
| Tarama | 1,185 | 20 | 14%
|
| Yoron | 6,000 | 21 | 14%
|
| Chiburijima | 650 | 14 | 11%
|
| Dōgojima | 14,849 | 242 | 11%
|
| Fukushima | 3,202 | 17 | 11%
|
| Goshoura | 3,615 | 13 | 11%
|
| Hikoshima | 30,182 | 11 | 11%
|
| Hiroshima | 800 | 12 | 11%
|
| Iōjima | 121 | 12 | 11%
|
| Itsukushima | 1,800 | 30 | 11%
|
| Kakeromajima | 1,600 | 77 | 11%
|
| Kamikamagari | 2,658 | 19 | 11%
|
| Kuchinoerabu | 147 | 38 | 11%
|
| Kurahashi | 19,565 | 69 | 11%
|
| Nakadori | 20,167 | 168 | 11%
|
| Nakanoshima | 2,400 | 32 | 11%
|
| Nakanoshima | 167 | 34 | 11%
|
| Ojika | 2,433 | 12 | 11%
|
| Shimokoshiki | 2,780 | 66 | 11%
|
| Azuchi-Ōshima | 1,269 | 15 | 9%
|
| Hateruma | 490 | 13 | 9%
|
| Ikitsuki | 7,014 | 17 | 9%
|
| Ikuchi | 9,310 | 31 | 9%
|
| Irabu | 6,283 | 29 | 9%
|
| Kamikoshiki | 2,796 | 45 | 9%
|
| Kuchinoshima | 140 | 13 | 9%
|
| Ōsakikamijima | 3,187 | 38 | 9%
|
| Ōsakishimo-jima | 6,000 | 18 | 9%
|
| Shishi | 1,050 | 17 | 9%
|
| Tokashiki | 750 | 15 | 9%
|
| Uke | 200 | 13 | 9%
|
| Uku-jima | 2,575 | 25 | 9%
|
| Hario | 9,767 | 33 | 7%
|
| Heigun | 591 | 17 | 7%
|
| Kasado | 800 | 12 | 7%
|
| Kuroshima | 220 | 10 | 7%
|
| Kuroshima | 199 | 15 | 7%
|
| Ōyano | 14,729 | 30 | 7%
|