List of Top 100 World Cities by Population
| Year | City | Country | Population |
|---|---|---|---|
| 2015 | Tokyo | Japan | 37,126,000 |
| 2015 | Jakarta | Indonesia | 26,063,000 |
| 2015 | Seoul | South Korea | 22,547,000 |
| 2015 | Delhi | India | 22,242,000 |
| 2015 | Shanghai | China | 20,860,000 |
| 2015 | Manila | Philippines | 20,767,000 |
| 2015 | Karachi | Pakistan | 20,711,000 |
| 2015 | New York | United States | 20,464,000 |
| 2015 | Sao Paulo | Brazil | 20,186,000 |
| 2015 | Mexico City | Mexico | 19,463,000 |
| 2015 | Cairo | Egypt | 17,816,000 |
| 2015 | Beijing | China | 17,311,000 |
| 2015 | Osaka | Japan | 17,011,000 |
| 2015 | Mumbai (Bombay) | India | 16,910,000 |
| 2015 | Guangzhou | China | 16,827,000 |
| 2015 | Moscow | Russia | 15,512,000 |
| 2015 | Los Angeles | United States | 14,900,000 |
| 2015 | Calcutta | India | 14,374,000 |
| 2015 | Dhaka | Bangladesh | 14,000,000 |
| 2015 | Buenos Aires | Argentina | 13,639,000 |
| 2015 | Istanbul | Turkey | 13,576,000 |
| 2015 | Rio de Janeiro | Brazil | 12,043,000 |
| 2015 | Shenzhen | China | 11,885,000 |
| 2015 | Lagos | Nigeria | 11,547,000 |
| 2015 | Paris | France | 10,755,000 |
| 2015 | Nagoya | Japan | 10,027,000 |
| 2015 | Lima | Peru | 9,121,600 |
| 2015 | Chicago | United States | 9,121,000 |
| 2015 | Kinshasa | Democratic Republic of the Congo | 9,046,000 |
| 2015 | Tianjin | China | 8,922,000 |
| 2015 | Chennai | India | 8,865,000 |
| 2015 | Bogota | Colombia | 8,702,000 |
| 2015 | Bengaluru | India | 8,670,000 |
| 2015 | London | United Kingdom | 8,586,000 |
| 2015 | Taipei | Taiwan | 8,338,000 |
| 2015 | Ho Chi Minh City (Saigon) | Vietnam | 8,314,000 |
| 2015 | Dongguan | China | 8,278,000 |
| 2015 | Hyderabad | India | 7,903,000 |
| 2015 | Chengdu | China | 7,895,000 |
| 2015 | Lahore | Pakistan | 7,743,000 |
| 2015 | Johannesburg | South Africa | 7,618,000 |
| 2015 | Tehran | Iran | 7,419,000 |
| 2015 | Essen | Germany | 7,304,000 |
| 2015 | Bangkok | Thailand | 7,151,000 |
| 2015 | Hong Kong | Hong Kong | 7,106,000 |
| 2015 | Wuhan | China | 6,995,000 |
| 2015 | Ahmedabad | India | 6,482,000 |
| 2015 | Chongqung | China | 6,321,000 |
| 2015 | Baghdad | Iraq | 6,204,000 |
| 2015 | Hangzhou | China | 6,178,000 |
| 2015 | Toronto | Canada | 6,139,000 |
| 2015 | Kuala Lumpur | Malaysia | 6,094,000 |
| 2015 | Santiago | Chile | 6,015,000 |
| 2015 | Dallas-Fort Worth | United States | 5,874,000 |
| 2015 | San Francisco-San Jose | United States | 5,864,000 |
| 2015 | Quanzhou | China | 5,798,000 |
| 2015 | Miami | United States | 5,582,000 |
| 2015 | Shenyang | China | 5,553,000 |
| 2015 | Belo Horizonte | Brazil | 5,523,000 |
| 2015 | Philadelphia | United States | 5,474,000 |
| 2015 | Nanjing | China | 5,455,000 |
| 2015 | Madrid | Spain | 5,427,000 |
| 2015 | Houston | United States | 5,383,000 |
| 2015 | Xi'an-Xianya | China | 5,253,000 |
| 2015 | Milan | Italy | 5,232,000 |
| 2015 | Luanda | Angola | 5,204,000 |
| 2015 | Pune | India | 5,156,000 |
| 2015 | Singapore | Singapore | 5,155,000 |
| 2015 | Riyadh | Saudi Arabia | 5,037,000 |
| 2015 | Khartoum | Sudan | 4,887,000 |
| 2015 | Saint Petersburg | Russia | 4,879,000 |
| 2015 | Atlanta | United States | 4,715,000 |
| 2015 | Surat | India | 4,687,000 |
| 2015 | Washington D.C. | United States | 4,679,000 |
| 2015 | Bandung | Indonesia | 4,674,000 |
| 2015 | Surabaya | Indonesia | 4,617,000 |
| 2015 | Yangoon | Myanmar | 4,528,000 |
| 2015 | Alexandria | Egypt | 4,526,000 |
| 2015 | Guadalajara | Mexico | 4,524,000 |
| 2015 | Harbin | China | 4,477,000 |
| 2015 | Boston | United States | 4,427,000 |
| 2015 | Zhengzhou | China | 4,379,000 |
| 2015 | Qingdao | China | 4,378,000 |
| 2015 | Abidjan | Côte d'Ivoire | 4,368,000 |
| 2015 | Barcelona | Spain | 4,223,000 |
| 2015 | Monterrey | Mexico | 4,180,000 |
| 2015 | Ankara | Turkey | 4,172,000 |
| 2015 | Suzhou | China | 4,159,000 |
| 2015 | Phoenix-Mesa | United States | 4,076,000 |
| 2015 | Salvador | Brazil | 4,032,000 |
| 2015 | Porto Alegre | Brazil | 3,965,000 |
| 2015 | Rome | Italy | 3,799,000 |
| 2015 | Accra | Ghana | 3,792,000 |
| 2015 | Sydney | Australia | 3,785,000 |
| 2015 | Recife | Brazil | 3,756,000 |
| 2015 | Naples | Italy | 3,726,000 |
| 2015 | Detroit | United States | 3,724,000 |
| 2015 | Dalian | China | 3,717,000 |
| 2015 | Fuzhou | China | 3,713,000 |
| 2015 | Medellin | Colombia | 3,686,000 |