| ISO | Region | Population | Answer | % Correct |
|---|---|---|---|---|
| JP-01 | Itself | 4,991,000 | Hokkaidō | 100%
|
| JP-05 | Tohoku | 880,000 | Akita | 91%
|
| JP-02 | Tohoku | 1,144,000 | Aomori | 91%
|
| JP-12 | Kanto | 6,244,000 | Chiba | 91%
|
| JP-40 | Kyushu & Okinawa | 5,078,000 | Fukuoka | 91%
|
| JP-21 | Chubu | 1,902,000 | Gifu | 91%
|
| JP-28 | Kansai | 5,303,000 | Hyōgo | 91%
|
| JP-03 | Tohoku | 1,126,000 | Iwate | 91%
|
| JP-14 | Kanto | 9,220,000 | Kanagawa | 91%
|
| JP-26 | Kansai | 2,505,000 | Kyōto | 91%
|
| JP-04 | Tohoku | 2,229,000 | Miyagi | 91%
|
| JP-45 | Kyushu & Okinawa | 1,023,000 | Miyazaki | 91%
|
| JP-20 | Chubu | 1,969,000 | Nagano | 91%
|
| JP-42 | Kyushu & Okinawa | 1,236,000 | Nagasaki | 91%
|
| JP-47 | Kyushu & Okinawa | 1,464,000 | Okinawa | 91%
|
| JP-27 | Kansai | 8,751,000 | Ōsaka | 91%
|
| JP-11 | Kanto | 7,329,000 | Saitama | 91%
|
| JP-22 | Chubu | 3,498,000 | Shizuoka | 91%
|
| JP-13 | Kanto | 14,284,000 | Tōkyō | 91%
|
| JP-23 | Chubu | 7,445,000 | Aichi | 82%
|
| JP-38 | Shikoku | 1,260,000 | Ehime | 82%
|
| JP-18 | Chubu | 732,000 | Fukui | 82%
|
| JP-07 | Tohoku | 1,718,000 | Fukushima | 82%
|
| JP-10 | Kanto | 1,879,000 | Gunma | 82%
|
| JP-34 | Chugoku | 2,690,000 | Hiroshima | 82%
|
| JP-08 | Kanto | 2,787,000 | Ibaraki | 82%
|
| JP-17 | Chubu | 1,087,000 | Ishikawa | 82%
|
| JP-37 | Shikoku | 908,000 | Kagawa | 82%
|
| JP-46 | Kyushu & Okinawa | 1,515,000 | Kagoshima | 82%
|
| JP-39 | Shikoku | 645,000 | Kōchi | 82%
|
| JP-43 | Kyushu & Okinawa | 1,686,000 | Kumamoto | 82%
|
| JP-24 | Kansai | 1,694,000 | Mie | 82%
|
| JP-29 | Kansai | 1,274,000 | Nara | 82%
|
| JP-44 | Kyushu & Okinawa | 1,073,000 | Ōita | 82%
|
| JP-33 | Chugoku | 1,814,000 | Okayama | 82%
|
| JP-41 | Kyushu & Okinawa | 781,000 | Saga | 82%
|
| JP-25 | Kansai | 1,398,000 | Shiga | 82%
|
| JP-32 | Chugoku | 633,000 | Shimane | 82%
|
| JP-09 | Kanto | 1,873,000 | Tochigi | 82%
|
| JP-36 | Shikoku | 675,000 | Tokushima | 82%
|
| JP-31 | Chugoku | 524,000 | Tottori | 82%
|
| JP-16 | Chubu | 987,000 | Toyama | 82%
|
| JP-30 | Kansai | 867,000 | Wakayama | 82%
|
| JP-06 | Tohoku | 995,000 | Yamagata | 82%
|
| JP-35 | Chugoku | 1,264,000 | Yamaguchi | 82%
|
| JP-19 | Chubu | 785,000 | Yamanashi | 82%
|
| JP-15 | Chubu | 2,071,000 | Niigata | 73%
|