| Rank | City | Contry Code | Population | Urban Population : |
| 287 | Urumqi | CHN | 1120700 | 1369100 |
| 310 | Ujung Pandang, | IDN | 1170200 | 1254800 |
| 344 | Ulsan | KRS | 870300 | 1137900 |
| 375 | Ufa | RUS | 1094900 | 1094900 |
| 548 | Ulaanbaatar | MNG | 762200 | 762200 |
| 607 | Ulyanovsk | RUS | 664800 | 683000 |
| 668 | Utrecht | NTH | 232800 | 610800 |
| 792 | Uberlandia | BRA | 514400 | 514400 |
| 824 | Urawa | JAP | 497600 | 497600 |
| 868 | Urfa | TUR | 458300 | 458300 |
| 871 | Utsunomiya | JAP | 454400 | 454400 |
| 890 | Ujjain | IND | 438300 | 439100 |
| 943 | Udaipur | IND | 396900 | 396900 |
| 983 | Ulan-Ude | RUS | 370800 | 370800 |
| 1365 | Uberaba | BRA | 251200 | 251200 |
| 1467 | Umuahia | NGR | 230800 | 230800 |
| 1494 | Udon Thani | THA | 227200 | 227200 |
| 1503 | Uruapan | MEX | 225900 | 225900 |
| 1640 | Ulubaria | IND | 206000 | 206000 |
| 1741 | Uvira | CDR | 194500 | 194500 |
| 1804 | Ugep | NGR | 187000 | 187000 |
| 1921 | Ube | JAP | 173500 | 173500 |
| 1971 | Urgench | UZB | 168900 | 168900 |
| 2119 | Ussuriysk | RUS | 155500 | 155500 |
| 2351 | Usak | TUR | 138700 | 138700 |
| 2543 | Uppsala | SWE | 126400 | 126400 |
| 2588 | Uzhhorod | UKR | 124400 | 124400 |
| 2656 | Uruguaiana | BRA | 121000 | 121000 |
| 2692 | Unayzah | SAU | 119100 | 119100 |
| 2738 | Ulm | GER | 116300 | 116300 |
| 2906 | Ubon Ratchathani | THA | 109800 | 109800 |
| 3070 | Ust-Ilimsk | RUS | 103500 | 103500 |
| 3099 | Usolye-Sibirskoye | RUS | 102600 | 102600 |
| 3106 | Uyo | NGR | 102400 | 102400 |
| 3126 | Uromi | NGR | 101400 | 101400 |
| 3225 | Usti | CZE | 96300 | 96300 |
| 3251 | Udine | ITA | 94700 | 94700 |
| 3265 | Ukhta | RUS | 93900 | 93900 |
| 3546 | Upland | USA | 70400 | 70400 |
| 3560 | Union City, | USA | 68900 | 68900 |
| 3569 | Union City, | USA | 68200 | 68200 |
| 3648 | Utica | USA | 61400 | 61400 |
| 3780 | Uroteppa | TAJ | 52700 | 52700 |
| 3870 | Uíge | ANG | 46900 | 46900 |
| 3911 | Uzgen | KYR | 44300 | 44300 |
| 4004 | Ushuaia | ARG | 37500 | 37500 |
| 4053 | Umm al-Qaywayn | UAE | 32700 | 32700 |
| 4092 | Ulaangom | MNG | 29100 | 29100 |
| 4196 | Umm Salal, | QAT | 18600 | 18600 |
| 4349 | Utiroa | KIR | 2300 | 2300 |
| 4378 | Uummannaq | GRN | 1400 | 1400 |
| 4388 | Upernavik | GRN | 1100 | 1100 |
| 4445 | Ukkusissat | GRN | 210 | 210 |
| 4452 | Upernavik Kujalleq | GRN | 180 | 180 |
| 4455 | Ulimang | PLU | 160 | 160 |