| Answer | Population | % Correct |
|---|---|---|
| Istanbul | 14 657 434 | 98%
|
| Innsbruck | 130 894 | 82%
|
| Inverness | 47 290 | 82%
|
| Ibiza | 49 727 | 73%
|
| Ipswich | 133 384 | 68%
|
| Iași | 290 422 | 59%
|
| Ingolstadt | 132 438 | 55%
|
| Ivanovo | 408 025 | 41%
|
| Imola | 69 953 | 35%
|
| Ioánnina | 112 486 | 34%
|
| Ivano-Frankivsk | 229 447 | 34%
|
| Irún | 61 983 | 25%
|
| Isserlohn | 91 815 | 25%
|
| Ivry-sur-Seine | 62 052 | 22%
|
| Inowroclaw | 72 561 | 21%
|
| Izmail | 71 299 | 19%
|
| Istres | 49 896 | 18%
|
| Ibbenbüren | 51 822 | 16%
|
| Issy-les-Moulineaux | 68 451 | 16%
|
| Iława | 32 276 | 14%
|
| Irvine | 34 090 | 13%
|
| Ieper | 34 964 | 12%
|
| Ingelheim am Rhein | 35 161 | 10%
|
| Izium | 46 653 | 10%
|
| Igualada | 39 540 | 8%
|
| IJsselstein | 34 160 | 7%
|
| Ilioupoli | 78 153 | 6%
|
| Ilkeston | 38 640 | 6%
|
| Istra | 35 111 | 6%
|
| Ivanteyevka | 81 254 | 4%
|