| Letter | Population | City | % Correct |
|---|---|---|---|
| O | 2,668,586 | Osaka | 99%
|
| T | 8,637,098 | Tokyo (23 Wards) | 99%
|
| S | 1,918,096 | Sapporo | 95%
|
| Y | 3,697,894 | Yokohama | 92%
|
| N | 2,283,289 | Nagoya | 91%
|
| F | 1,430,371 | Fukuoka | 90%
|
| H | 1,163,806 | Hiroshima | 86%
|
| K | 1,530,847 | Kobe | 79%
|
| C | 938,695 | Chiba | 62%
|
| W | 372,175 | Wakayama | 48%
|
| U | 507,833 | Utsunomiya | 44%
|
| G | 412,779 | Gifu | 39%
|
| M | 515,068 | Matsuyama | 37%
|
| B | 127,345 | Beppu | 25%
|
| I | 470,149 | Ichikawa | 22%
|
| A | 461,202 | Amagasaki | 20%
|
| Z | 127,582 | Zama | 18%
|
| J | 206,175 | Joetsu | 16%
|
| D | 125,837 | Daito | 12%
|
| R | 79,295 | Ryugasaki | 12%
|
| E | 126,035 | Ebina | 9%
|