Largest Cities in the World  

Top 100 Census Metropolitan Areas in the World (2005) 

(Source: Wikipedia) See the Wikipedia Article on the City Ranking

Ranking

City

Country

Population

1 Tokyo-Yokohama-Kawasaki-Chiba (Greater Tokyo Area) Japan 36,510,000
2 New York City, New York-Newark, New Jersey-Paterson, New Jersey (New York Metropolitan Area) United States 22,310,000
3 Mexico City-Nezahualcóyotl-Ecatepec-Naucalpan (Greater Mexico City) Mexico 22,090,000
4 Seoul-Incheon-Bucheon-Goyang-Seongnam-Suweon (Capital Metropolitan Area) South Korea 21,740,000
5 Mumbai-Navi Mumbai-Kalyan-Thane-Ulhasnagar, Maharashtra (Brihanmumbai/Greater Mumbai) (Greater India 19,470,000 
6 São Paulo-Guarulhos-Santo André-Osasco (Greater São Paulo Area)  Brazil  19,090,000
7 Jakarta-Bekasi-Bogor-Depok-Tangerang (Jabodetabek Metropolitan Area) Indonesia  17,590,000
8 Los Angeles-Riverside-Anaheim (Southern California) United States  17,540,000
9 Osaka-Kobe-Kyoto (Osaka-Kobe-Kyoto or Keihanshin) Japan  17,510,000
10 Delhi, National Capital Territory-Faridabad, Haryana, Gurgaon, Haryana-Ghaziabad, Uttar Pradesh-Noida, Uttar Pradesh  India 17,480,000
11 Manila-Quezon City-Makati City-Caloocan City (Metropolitan Manila) Philippines  16,610,000
12 Greater Cairo, Al Qahirah-Al Jizah-Al Qalyubiyah Governorates  Egypt 15,500,000
13 Shanghai Municipality China  14,610,000
14 Kolkata-Howrah, West Bengal  (Calcutta) India 14,450,000 
15 Moscow Russia  14,440,000 
16 Buenos Aires (Gran Buenos Aires) Argentina   13,330,000
17 London (Greater London-Surrey-East Berkshire-Buckinghamshire-Hertfordshire-
South Essex-West Kent)
United Kingdom 12,420,000
18 Tehran-Karaj Iran 11,890,000
19 Cologne-Bonn-Ruhr Area (Essen-Duisburg- Bochum-Dortmund-Düsseldorf-Wuppertal) Germany  11,780,000
20 Rio De Janeiro-Nova Iguaçu-São Gonçalo-Niterói Brazil  11,720,000 
21 Karachi, Sindh Pakistan  11,620,000
22 Istanbul Turkey 11,580,000
23 Paris, Île-de-France France 11,500,000 
24 Dhaka Bangladesh 11,490,000 
25 Beijing Municipality China  11,240,000 
26 Lagos Nigeria 10,690,000 
27 Bangkok-Samut Prakarn-Nonthaburi-Pathum Thani Thailand  9,750,000 
28 Chicago, Illinois-Gary, Indiana-Kenosha, Wisconsin (Chicagoland) United States 9,420,000
29 Kinshasa Democratic Republic of the Congo  9,120,000 
30 Nagoya Japan 8,760,000 
31 Hong Kong Special Administrative Region-Shenzhen, Guangdong China  8,720,000 
32 Washington, DC-Baltimore, Maryland (Baltimore-Washington Metropolitan Area) United States  8,040,000
33 Taipei-Keelung (Jilong) (Taipei-Keelung metropolitan area) Taiwan, (China) 8,030,000 
34 Toronto-Hamilton, Ontario (Golden Horseshoe) Canada  7,800,000 
35 Bogotá Colombia 7,790,000
36 Lima-Callao (Lima and Callao Metropolitan Area) Peru  7,740,000 
37 San Francisco-San Jose-Oakland, California (San Francisco Bay Area) United States  7,530,000
38 Chongqing Municipality China  7,480,000
39 Baghdad Iraq 7,410,000 
40 Khartoum Sudan  7,320,000
41 Chennai-Tambaram-Avadi-Manali, Tamil Nadu India 6,850,000
42 Johannesburg-Soweto-East Rand-West Rand (Greater Johannesburg Metropolitan Area) South Africa  6,820,000
43 Amsterdam-Rotterdam (Randstad) Netherlands 6,570,000
44 Shenyang, Liaoning China 6,490,000
45 Lahore, Punjab Pakistan 6,310,000
46 Tianjin Municipality China  6,300,000
47 Philadelphia, Pennsylvania (Delaware Valley) United States  6,250,000 
48 Madrid  Spain 6,160,000
49 Kuala Lumpur Malaysia  6,140,000
50 Bangalore, Karnataka India 6,060,000
51 Boston, Massachusetts, (Greater Boston) United States  5,910,000
52 Hyderabad-Secunderabad, Andhra Pradesh India 5,900,000
53 Dallas-Fort Worth-Arlington, Texas (Dallas/Fort Worth Metroplex) United States 5,900,000
54 Detroit, Michigan-Windsor, Ontario (Metro Detroit) United States, Canada  5,890,000
55 Guangzhou, Guangdong China 5,630,000
56 Algiers Algeria 5,520,000
57 Bandung (Kabupaten Bandung) Indonesia 5,480,000
58 Houston-Sugar Land-Baytown, Texas (Houston Metropolitan Area) United States 5,190,000
59 Singapore City-Johor Bahru Singapore, Malaysia 5,180,000
60 Ho Chi Minh City Vietnam 5,050,000
61 Ahmedabad, Gujarat India 5,000,000
62 Barcelona Spain 4,970,000
63 Belo Horizonte-Contagem Brazil 4,920,000
64 Saint Petersburg Russia  4,880,000
65 Santiago Chile 4,840,000
66 Abidjan Côte d'Ivoire 4,810,000
67 Atlanta, Georgia (Atlanta Metropolitan Area)  United States 4,720,000
68 San Diego, California-Tijuana, Baja California United States, Mexico 4,690,000
69 Harbin, Heilongjiang China 4,680,000
70 Shantou, Guangdong China 4,680,000
71 Xi'an, Shaanxi China 4,640,000
72 Wuhan, Hubei China 4,600,000
73 Chengdu, Sichuan China 4,570,000
74 Busan Metropolitan City South Korea  4,560,000
75 Pune-Pimpri-Chinchwad, Maharashtra  India 4,500,000
76 Yangon Myanmar 4,480,000
77 Sydney, New South Wales Australia 4,490,000
78 Hangzhou, Zhejiang China 4,390,000
79 Ibadan Nigeria 4,360,000
80 Cape Town South Africa 4,300,000
81 Miami-Fort Lauderdale, Florida (South Florida) United States 4,290,000
82 Alexandria, Al Iskandariyah Governorate Egypt 4,270,000
83 Fukuoka-Kitakyushu Japan 4,260,000
84 Milan Italy 4,240,000
85 Riyadh Saudi Arabia 4,210,000
86 Guadalajara, Jalisco Mexico 4,010,000
87 Berlin Germany 4,000,000
88 Nanjing, Jiangsu China 3,970,000
89 Surabaya, East Java Indonesia 3,890,000
90 Surabaya, East Java Indonesia 3,890,000
91 Kano Nigeria 3,820,000
92 Medan Indonesia 3,800,000
93 Phoenix-Mesa, Arizona (Valley of the Sun) United States 3,790,000
94 Naples Italy 3,770,000
95 Seattle-Tacoma-Bellevue, Washington (Greater Puget Sound) United States 3,770,000
96 Porto Alegre Brazil 3,760,000
97 Athens Greece 3,750,000
98 Melbourne, Victoria Australia 3,730,000
99 Caracas Venezuela 3,720,000
100 Monterrey, Nuevo León  Mexico 3,680,000