| Rank | City | Contry Code | Population | Urban Population : |
| 25 | Istanbul | TUR | 9216400 | 9640500 |
| 78 | Ibadan | NGR | 3078400 | 3670400 |
| 147 | Incheon | KRS | 2433000 | 2433000 |
| 153 | Izmir | TUR | 2322500 | 2378700 |
| 214 | Indore | IND | 1628600 | 1671100 |
| 229 | Indianapolis | USA | 804000 | 1589200 |
| 368 | Irbil | IRQ | 1100400 | 1100400 |
| 554 | Ilorin | NGR | 756400 | 756400 |
| 559 | Ipoh | MLY | 561700 | 746300 |
| 631 | Izhevsk | RUS | 652400 | 652400 |
| 682 | Irkutsk | RUS | 594200 | 594200 |
| 692 | Islamabad | PAK | 586500 | 586500 |
| 726 | Ilesha | NGR | 233900 | 561200 |
| 733 | Irbid | JOR | 260000 | 555800 |
| 845 | Ichikawa | JAP | 479600 | 479600 |
| 872 | Ivanovo | RUS | 453800 | 453800 |
| 936 | Ibague | COL | 401400 | 401400 |
| 968 | Iloilo | PHL | 378200 | 378200 |
| 1004 | Iwaki | JAP | 364900 | 364900 |
| 1018 | Iasi | ROM | 354800 | 354800 |
| 1032 | Iquitos | PER | 349300 | 349300 |
| 1112 | Irapuato | MEX | 316500 | 316500 |
| 1121 | Ife | NGR | 313400 | 313400 |
| 1197 | Itaquaquecetuba | BRA | 292300 | 292300 |
| 1202 | Ichalkaranji | IND | 262600 | 291400 |
| 1203 | Ismailia | EGY | 291000 | 291000 |
| 1222 | Iseyin | NGR | 286700 | 286700 |
| 1356 | Iksan | KRS | 253200 | 253200 |
| 1367 | Imphal | IND | 221500 | 250800 |
| 1392 | Itagui | COL | 244400 | 244400 |
| 1426 | Ivano-Frankivsk | UKR | 237400 | 237400 |
| 1529 | Imperatriz | BRA | 222600 | 222600 |
| 1540 | Izmit | TUR | 221100 | 221100 |
| 1551 | Ipatinga | BRA | 219000 | 219000 |
| 1612 | Ikot Ekpene, | NGR | 209400 | 209400 |
| 1694 | Iquique | CHL | 199800 | 199800 |
| 1700 | Irving | USA | 199000 | 199000 |
| 1712 | Itabuna | BRA | 196800 | 196800 |
| 1768 | Iruna | SPA | 191900 | 191900 |
| 1806 | Ijebu Ode, | NGR | 186700 | 186700 |
| 1807 | Ica | PER | 186600 | 186600 |
| 1851 | Itaborai | BRA | 181400 | 181400 |
| 1860 | Iskenderun | TUR | 180400 | 180400 |
| 1908 | Itapevi | BRA | 175200 | 175200 |
| 1990 | Ise | NGR | 167100 | 167100 |
| 2056 | Ilawe | NGR | 160700 | 160700 |
| 2057 | Ikare | NGR | 160600 | 160600 |
| 2059 | Ilheus | BRA | 160500 | 160500 |
| 2109 | Indaiatuba | BRA | 155700 | 155700 |
| 2181 | Ila | NGR | 150700 | 150700 |
| 2190 | Isparta | TUR | 149800 | 149800 |
| 2200 | Itajai | BRA | 148700 | 148700 |
| 2220 | Irvine | USA | 147400 | 147400 |
| 2225 | Ijero | NGR | 147300 | 147300 |
| 2286 | Iringa | TAN | 143100 | 143100 |
| 2301 | Ilam | IRA | 142200 | 142200 |
| 2380 | Ibirite | BRA | 136600 | 136600 |
| 2387 | Itapecerica da Serra | BRA | 136400 | 136400 |
| 2398 | Isiro | CDR | 135600 | 135600 |
| 2401 | Iraklion | GRE | 135300 | 135300 |
| 2447 | Ibb | YEM | 132400 | 132400 |
| 2466 | Ipswich | UK | 131400 | 131400 |
| 2487 | Itu | BRA | 129900 | 129900 |
| 2587 | Ibarra | ECU | 124600 | 124600 |
| 2714 | Ingolstadt | GER | 117900 | 117900 |
| 2717 | Itapetininga | BRA | 117600 | 117600 |
| 2748 | Inglewood | USA | 115900 | 115900 |
| 2770 | Igboho | NGR | 115000 | 115000 |
| 2772 | Independence | USA | 115000 | 115000 |
| 2778 | Innsbruck | AUT | 114700 | 114700 |
| 2859 | Ibri | OMA | 111800 | 111800 |
| 2968 | Iguala | MEX | 107500 | 107500 |
| 3036 | Ilebo | CDR | 104800 | 104800 |
| 3136 | Inegol | TUR | 101000 | 101000 |
| 3151 | Idku | EGY | 100400 | 100400 |
| 3163 | Iserlohn | GER | 99700 | 99700 |
| 3596 | Isa | BHR | 65200 | 65200 |
| 3628 | Iowa City, | USA | 62800 | 62800 |
| 3783 | Idaho Falls, | USA | 52600 | 52600 |
| 3820 | Indio | USA | 50600 | 50600 |
| 3892 | Invercargill | NZL | 45500 | 45500 |
| 3930 | Inverness | UK | 43100 | 43100 |
| 4051 | Irvine | UK | 33000 | 33000 |
| 4293 | Iqaluit | CAN | 4700 | 4700 |
| 4306 | Ilulissat | GRN | 4100 | 4100 |
| 4351 | Ihavandhoo | MLD | 2200 | 2200 |
| 4373 | Ijaki | KIR | 1500 | 1500 |
| 4386 | Isangel | VAN | 1200 | 1200 |
| 4419 | Illoqqortoormiut | GRN | 520 | 520 |
| 4437 | Ikerasak | GRN | 260 | 260 |
| 4458 | Itilleq | GRN | 140 | 140 |
| 4466 | Imeong | PLU | 130 | 130 |
| 4467 | Isortoq | GRN | 120 | 120 |
| 4472 | Illorsuit | GRN | 110 | 110 |
| 4477 | Ikerasaarsuk | GRN | 100 | 100 |
| 4481 | Ikamiut | GRN | 90 | 90 |
| 4518 | Ivittuut | GRN | 10 | 10 |