| Answer | % Correct |
|---|---|
| Honshu | 94%
|
| Hokkaido | 93%
|
| Taiwan | 91%
|
| Hainan | 89%
|
| Sakhalin | 89%
|
| Kyushu | 84%
|
| Jeju | 83%
|
| Okinawa | 80%
|
| Shikoku | 75%
|
| Zhoushan | 55%
|
| Bolshoy Shantar | 52%
|
| Tsushima | 46%
|
| Chongming | 43%
|
| Kunashir | 30%
|
| Sado | 30%
|
| Amami Ōshima | 29%
|
| Iturup | 28%
|
| Awaji | 25%
|
| Urup | 19%
|
| Paramushir | 17%
|