| Prefecture | % Correct | |
|---|---|---|
| T | Tochigi | Tokushima | Tokyo | Tottori | Toyama | 94%
|
| H | Hiroshima | Hokkaido | Hyōgo | 92%
|
| O | Ōita | Okayama | Okinawa | Osaka | 91%
|
| K | Kagawa | Kagoshima | Kanagawa | Kōchi | Kumamoto | Kyoto | 87%
|
| N | Nagano | Nagasaki | Nara | Niigata | 87%
|
| F | Fukui | Fukuoka | Fukushima | 83%
|
| A | Aichi | Akita | Aomori | 65%
|
| C | Chiba | 60%
|
| S | Saga | Saitama | Shiga | Shimane | Shizuoka | 60%
|
| G | Gifu | Gunma | 54%
|
| I | Ibaraki | Ishikawa | Iwate | 50%
|
| M | Mie | Miyagi | Miyazaki | 49%
|
| W | Wakayama | 47%
|
| Y | Yamagata | Yamaguchi | Yamanashi | 46%
|
| E | Ehime | 45%
|