Megacity population and rank for world cities for the year 2005
| Rank | Megacity | Country | Population |
|---|---|---|---|
| 1 | Tokyo | Japan | 35,621,544 |
| 2 | Ciudad de México (Mexico City) | Mexico | 19,276,065 |
| 3 | Kinki M.M.A. (Osaka) | Japan | 18,762,099 |
| 4 | Delhi | India | 18,691,330 |
| 5 | São Paulo | Brazil | 18,288,134 |
| 6 | New York-Newark | United States of America | 18,087,174 |
| 7 | Mumbai (Bombay) | India | 17,257,072 |
| 8 | Shanghai | China | 17,055,788 |
| 9 | Al-Qahirah (Cairo) | Egypt | 15,174,050 |
| 10 | Kolkata (Calcutta) | India | 13,595,152 |
| 11 | Buenos Aires | Argentina | 13,329,540 |
| 12 | Beijing | China | 12,991,292 |
| 13 | Dhaka | Bangladesh | 12,330,879 |
| 14 | Los Angeles-Long Beach-Santa Ana | United States of America | 11,977,857 |
| 15 | Rio de Janeiro | Brazil | 11,831,807 |
| 16 | Karachi | Pakistan | 11,131,559 |
| 17 | Moskva (Moscow) | Russian Federation | 10,751,428 |
| 18 | Manila | Philippines | 10,750,752 |
| 19 | Istanbul | Turkey | 10,465,694 |
| 20 | Paris | France | 10,091,795 |
| 21 | Seoul | Republic of Korea | 9,822,447 |
| 22 | Chongqing | China | 9,454,076 |
| 23 | Guangzhou, Guangdong | China | 9,055,056 |
| 24 | Jakarta | Indonesia | 8,988,406 |
| 25 | Chukyo M.M.A. (Nagoya) | Japan | 8,914,045 |
| 26 | Lagos | Nigeria | 8,859,399 |
| 27 | Chicago | United States of America | 8,464,184 |
| 28 | Tianjin | China | 8,430,065 |
| 29 | Shenzhen | China | 8,409,066 |
| 30 | Lima | Peru | 8,081,255 |
Data from UN World Urbanization Prospects