| Letter | Population | Answer | % Correct |
|---|---|---|---|
| O | 2,753,862 | Ōsaka | 100%
|
| T | 9,375,104 | Tōkyō | 100%
|
| Y | 3,732,616 | Yokohama | 94%
|
| S | 1,976,257 | Sapporo | 88%
|
| F | 1,588,924 | Fukuoka | 82%
|
| H | 1,199,391 | Hiroshima | 82%
|
| N | 2,327,557 | Nagoya | 82%
|
| C | 979,768 | Chiba | 65%
|
| K | 1,531,646 | Kawasaki | 65%
|
| U | 507,833 | Utsunomiya | 65%
|
| M | 515,068 | Matsuyama | 53%
|
| W | 372,175 | Wakayama | 53%
|
| A | 461,202 | Amagasaki | 47%
|
| G | 412,779 | Gifu | 47%
|
| B | 127,345 | Beppu | 41%
|
| I | 470,149 | Ichikawa | 41%
|
| J | 206,175 | Jōetsu | 41%
|
| D | 125,847 | Daitō | 29%
|
| Z | 127,582 | Zama | 29%
|
| E | 126,035 | Ebina | 24%
|
| R | 79,295 | Ryūgasaki | 18%
|