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List of the Worldâs Largest Cities by Population
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With more than 73 million inhabitants, Guangzhou, China, is far and away the worldâs largest city. But, what defines a city? When you are comparing developments with tens of millions of people located in countries across the globe, a unified definition is trickyâone needs to consider a variety of population groupings, including urban populations, consolidated urban areas, agglomerations, and conglomerations. However, all these groupings have one thing in common: They feature a central city surrounded by contiguous settlements of people. The interactive map and table below detail the worldâs 25 largest such groupings.
| rank | central city | country | urban area type | urban area population (2026 est.) | details |
|---|---|---|---|---|---|
| 1Urban population: densely populated and continuous urban settlement. | |||||
| 2Agglomeration: large, densely and contiguously populated area consisting of a city and its suburbs. | |||||
| 3Conglomeration: grouping of two or more agglomerations. | |||||
| 4Consolidated urban area: combination of neighboring urban areas or populations. | |||||
| Source: Thomas Brinkhoff: Major Agglomerations of the World (reference date January 1, 2026). | |||||
| 1 | Guangzhou | China | urban population1 | 73,600,000 | Includes Dongguan, Foshan, Huizhou, Jiangmen, Shenzhen, and Zhongshan. |
| 2 | Shanghai | China | urban population1 | 42,300,000 | Includes Changshu, Changzhou, Suzhou, and Wuxi. |
| 3 | Tokyo | Japan | agglomeration2 | 41,300,000 | Includes Chiba, Kawasaki, Maebashi, Sagamihara, Saitama, Utsunomiya, and Yokohama. |
| 4 | Delhi | India | conglomeration3 | 36,900,000 | Includes Faridabad, Ghaziabad, and Gurugram. |
| 5 | Jakarta | Indonesia | agglomeration2 | 29,800,000 | Includes Bekasi, Bogor, Depok, Tangerang, and Tangerang Selatan. |
| 6 | Mumbai | India | conglomeration3 | 28,100,000 | Includes Bhiwandi, Kalyan, Thane, Ulhasnagar, and Vasai-Virar. |
| 7 | Manila | Philippines | agglomeration2 | 27,100,000 | Includes Caloocan and Quezon City. |
| 8 | Mexico City | Mexico | consolidated urban area4 | 25,600,000 | Includes NezahualcĂłyotl, Ecatepec, and Naucalpan. |
| 9 | Seoul | South Korea | consolidated urban area4 | 25,400,000 | Includes Bucheon, Goyang, Incheon, Seongnam, and Suwon. |
| 10 | Dhaka | Bangladesh | agglomeration2 | 23,700,000 | |
| 11 | Cairo | Egypt | agglomeration2 | 23,200,000 | Includes Giza and ShubrÄ al-Khaymah. |
| 12 | SĂŁo Paulo | Brazil | consolidated urban area4 | 22,700,000 | Includes Guarulhos. |
| 13 | New York City | U.S. | consolidated urban area4 | 22,600,000 | Includes Bridgeport, Newark, and New Haven. |
| 14 | Bangkok | Thailand | agglomeration2 | 22,400,000 | |
| 15 | Lagos | Nigeria | 21,900,000 | Source notes low reliability. | |
| 16 | Beijing | China | urban population1 | 21,800,000 | |
| 16 | Karachi | Pakistan | consolidated urban area4 | 21,800,000 | |
| 18 | Moscow | Russia | agglomeration2 | 19,100,000 | |
| 19 | Chengdu | China | urban population1 | 18,300,000 | |
| 20 | Kolkata | India | conglomeration3 | 18,100,000 | Includes Howrah. |
| 21 | Ćsaka | Japan | agglomeration2 | 17,700,000 | Includes Himeji, KĆbe, KyĆto, and Sakai. |
| 22 | Los Angeles | U.S. | consolidated urban area4 | 17,400,000 | Includes Anaheim and Riverside. |
| 23 | Tehran | Iran | agglomeration2 | 17,200,000 | Includes Karaj. |
| 24 | Buenos Aires | Argentina | consolidated urban area4 | 17,000,000 | Includes San Justo and La Plata. |
| 25 | Kinshasa | Democratic Republic of the Congo | city | 16,900,000 | Source notes low reliability. |

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