List of urban areas by population
This is a list of contiguous urban areas of the world ordered according to population (as of 2005). Some of these areas contain multiple metropolitan areas where the built-up areas have merged together.
| Rank | City | Country | Population | Area (km²) |
|---|---|---|---|---|
| 1 | Tokyo | Japan | 31,112,000 | 7,200 |
| 2 | New York/Philadelphia/Hartford | USA | 27,860,000 | 17,860 |
| 3 | Seoul | South Korea | 22,447,000 | 2,300 |
| 4 | Mexico City/Toluca | Mexico | 20,861,000 | 3,000 |
| 5 | Jakarta | Indonesia | 20,087,000 | 3,700 |
| 6 | Manila | Philippines | 18,861,000 | 1,600 |
| 7 | São Paulo | Brazil | 18,240,000 | 2,900 |
| 8 | Delhi | India | 18,215,000 | 1,800 |
| 9 | Mumbai | India | 18,066,000 | 740 |
| 10 | Hong Kong/Shenzhen | China | 17,731,000 | 1,620 |
| 11 | Osaka/Kobe/Kyoto | Japan | 15,067,000 | 3,000 |
| 12 | Los Angeles/Riverside | USA | 14,446,000 | 5,810 |
| 13 | Shanghai | China | 14,345,000 | 3,300 |
| 14 | Kolkata | India | 14,223,000 | 1,080 |
| 15 | Cairo | Egypt | 12,525,000 | 1,300 |
| 16 | Moscow | Russia | 12,257,000 | 3,400 |
| 17 | Tianjin | China | 11,655,000 | |
| 18 | Istanbul | Turkey | 11,619,000 | 1,500 |
| 19 | Rio de Janeiro | Brazil | 11,580,000 | 1,700 |
| 20 | Buenos Aires | Argentina | 11,575,000 | 2,700 |
| 21 | Dhaka | Bangladesh | 11,343,000 | |
| 22 | Karachi | Pakistan | 11,087,000 | |
| 23 | Tehran | Iran | 10,387,000 | |
| 24 | Rhine-Ruhr | Germany | 10,069,000 | |
| 25 | Paris | France | 9,928,000 | |
| 26 | Beijing | China | 9,816,000 | |
| 27 | London | UK | 9,332,000 | |
| 28 | Bangkok | Thailand | 9,146,000 | |
| 29 | Chicago | USA | 8,801,000 | 5,498 |
| 30 | Taipei | Taiwan (ROC) | 8,397,000 | |
| 31 | Lima | Peru | 8,331,000 | |
| 32 | Lagos | Nigeria | 8,039,000 | |
| 33 | Bogotá | Colombia | 7,986,000 | |
| 34 | Kinshasa | Dem. Rep. of the Congo | 7,224,000 | |
| 35 | Nagoya | Japan | 7,137,000 | |
| 36 | Chennai | India | 6,902,000 | 460 |
| 37 | Boston/Providence | USA | 6,662,000 | |
| 38 | Johannesburg | South Africa | 6,491,000 | |
| 39 | Surabaya | Indonesia | 6,479,000 | |
| 40 | Washington/Baltimore | USA | 6,474,000 | 4,764 |
| 41 | Bangalore | India | 6,404,000 | |
| 42 | Hyderabad | India | 6,132,000 | 660 |
| 43 | Lahore | Pakistan | 6,004,000 | |
| 44 | Santiago | Chile | 5,846,000 | |
| 45 | Bandung | Indonesia | 5,778,000 | |
| 46 | Baghdad | Iraq | 5,686,000 | 650 |
| 47 | Toronto/Hamilton | Canada | 5,597,000 | 2,400 |
| 48 | Ho Chi Minh City | Vietnam | 5,567,000 | |
| 49 | San Francisco/San Jose | USA | 5,449,000 | |
| 50 | Miami | USA | 5,431,000 | |
| 51 | Shenyang | China | 5,313,000 | |
| 52 | Khartoum | Sudan | 5,214,000 | |
| 53 | San Diego/Tijuana | USA/Mexico | 5,094,000 | |
| 54 | Ahmedabad | India | 5,059,000 | |
| 55 | Saint Petersburg | Russia | 5,051,000 |