| per km² | Prefecture | % Correct |
|---|---|---|
| 6403 | Tokyo | 100%
|
| 4638 | Osaka | 94%
|
| 3823 | Kanagawa | 72%
|
| 1934 | Saitama | 56%
|
| 1458 | Aichi | 50%
|
| 1218 | Chiba | 50%
|
| 559 | Kyoto | 39%
|
| 1030 | Fukuoka | 33%
|
| 651 | Hyogo | 22%
|
| 643 | Okinawa | 11%
|