The World - Top 100+ Cities by Population
Population data by city is the population of the city itself, not the metro area (for specific metro area data, see our ranking by metro area). Data is as of 2011 estimates.
| Rank | City | Country | Population | |
|---|---|---|---|---|
| 58,907. | Olyka | Ukraine | 3,074 | |
| 58,308. | Olym | Russia | 3,128 | |
| 8,964. | Olympia | United States | 46,478 | |
| 45,110. | Olympia Fields | United States | 4,988 | |
| 24,325. | Olympia Heights | United States | 13,488 | |
| 44,191. | Olyphant | United States | 5,151 | |
| 77,082. | Olza | Poland | 1,699 | |
| 91,313. | Olzai | Italy | 1,046 | |
| 94,808. | Olzheim | Germany | 533 | |
| 48,877. | Ol’ga | Russia | 4,328 | |
| 75,492. | Ol’ginka | Russia | 1,800 | |
| 35,147. | Ol’gino | Russia | 7,600 | |
| 48,139. | Ol’ginskaya | Russia | 4,441 | |
| 43,647. | Ol’ginskaya | Russia | 5,255 | |
| 50,609. | Ol’khovatka | Russia | 4,068 | |
| 12,804. | Ōmachi | Japan | 30,599 | |
| 10,448. | Ōmagari | Japan | 38,805 | |
| 17,460. | Omagh | United Kingdom | 21,056 | |
| 92,065. | Omaha | United States | 1,021 | |
| 938. | Omaha | United States | 408,958 | |
| 45,863. | Omak | United States | 4,845 | |
| 25,333. | Omalūr | India | 12,701 | |
| 17,326. | Ōmama | Japan | 21,286 | |
| 84,730. | Omao | United States | 1,301 | |
| 38,665. | Omarska | Bosnia and Herzegovina | 6,466 | |
| 27,009. | Omaruru | Namibia | 11,547 | |
| 74,905. | Ombésa | Cameroon | 1,833 | |
| 77,623. | Omboué | Gabon | 1,667 | |
| 55,089. | Ombúes de Lavalle | Uruguay | 3,482 | |
| 265. | Omdurman | Sudan | 1,200,000 | |
| 60,727. | Ome | Italy | 2,904 | |
| 2,691. | Ōme | Japan | 149,323 | |
| 52,387. | Omealca | Mexico | 3,818 | |
| 86,595. | Omega | United States | 1,221 | |
| 22,132. | Omegna | Italy | 15,373 | |
| 84,202. | Omemee | Canada | 1,323 | |
| 36,338. | Ömerli | Turkey | 7,194 | |
| 19,936. | Ometepec | Mexico | 17,801 | |
| 8,889. | Omīdīyeh | Iran | 46,983 | |
| 14,820. | Omigawa | Japan | 25,763 | |
| 79,941. | Omignano | Italy | 1,536 | |
| 6,047. | Ōmihachiman | Japan | 69,189 | |
| 74,169. | Ömirzaq | Kazakhstan | 1,885 | |
| 38,220. | Omiš | Croatia | 6,597 | |
| 75,508. | Omišalj | Croatia | 1,799 | |
| 90,428. | Omissy | France | 1,078 | |
| 14,013. | Ōmiya | Japan | 27,588 | |
| 46,282. | Omoa | Honduras | 4,763 | |
| 26,875. | Omoku | Nigeria | 11,625 | |
| 54,794. | Omro | United States | 3,517 | |
| 291. | Omsk | Russia | 1,129,281 | |
| 49,680. | Omsukchan | Russia | 4,201 | |
| 23,113. | Omu Aran | Nigeria | 14,477 | |
| 39,203. | Omuo-Ekiti | Nigeria | 6,317 | |
| 4,568. | Ōmura | Japan | 89,918 | |
| 31,568. | Omurtag | Bulgaria | 9,070 | |
| 3,034. | Ōmuta | Japan | 131,974 | |
| 30,483. | Omutinskiy | Russia | 9,595 | |
| 15,015. | Omutninsk | Russia | 25,364 | |
| 86,768. | Omvriakí | Greece | 1,213 | |
| 81,591. | Oña | Spain | 1,452 | |
| 76,053. | Onalaska | United States | 1,764 | |
| 19,998. | Onalaska | United States | 17,736 | |
| 85,648. | Onancock | United States | 1,263 | |
| 87,966. | Onano | Italy | 1,169 | |
| 83,322. | Onarga | United States | 1,368 | |
| 28,128. | Oñati | Spain | 10,896 | |
| 59,768. | Onawa | United States | 2,998 | |
| 25,389. | Oncativo | Argentina | 12,660 | |
| 77,313. | Onceşti | Romania | 1,686 | |
| 79,056. | Öncül | Turkey | 1,585 | |
| 14,864. | Onda | Spain | 25,691 | |
| 31,446. | Ondangwa | Namibia | 9,124 | |
| 41,197. | Ondara | Spain | 5,798 | |
| 30,589. | Ondarroa | Spain | 9,546 | |
| 92,074. | Ondes | France | 1,020 | |
| 29,374. | Ondjiva | Angola | 10,169 | |
| 1,524. | Ondo | Nigeria | 257,005 | |
| 71,809. | Ondoy | Philippines | 2,041 | |
| 90,215. | Ondřejov | Czech Republic | 1,086 | |
| 51,241. | Ondres | France | 3,983 | |
| 74,830. | One Mile | Australia | 1,838 | |
| 85,568. | One Tree Hill | Australia | 1,266 | |
| 16,453. | Onega | Russia | 22,693 | |
| 86,846. | Oneida | United States | 1,210 | |
| 52,925. | Oneida | United States | 3,752 | |
| 27,289. | Oneida | United States | 11,393 | |
| 38,335. | Oneonta | United States | 6,567 | |
| 23,801. | Oneonta | United States | 13,901 | |
| 92,079. | Onesse-et-Laharie | France | 1,020 | |
| 20,370. | Onex | Switzerland | 17,302 | |
| 46,656. | Onga | Hungary | 4,697 | |
| 62,676. | Ongandjera | Namibia | 2,719 | |
| 6,552. | Ongjin | North Korea | 64,247 | |
| 2,318. | Ongole | India | 172,872 | |
| 71,589. | Ongoni | Comoros | 2,058 | |
| 42,940. | Onguday | Russia | 5,406 | |
| 30,371. | Ongwediva | Namibia | 9,654 | |
| 59,554. | Onhaye | Belgium | 3,014 | |
| 59,581. | Oni | Georgia | 3,012 |
