Figures are based on rough estimates for the year 2005, based on populations and rates and rounded to the nearest 10,000.
| Rank
| Metropolitan area name
| Country
| Population estimate
|
| 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)
| 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)
| 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
| People's Republic of China
| 14,610,000
|
| 14
| Kolkata-Howrah, West Bengal
| 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
| People's Republic of 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
| People's Republic of China
| 8,720,000
|
| 32
| Washington, DC-Baltimore, Maryland (Baltimore-Washington Metropolitan Area)
| United States
| 8,040,000
|
| 33
| Taipei-Keelung (Taipei-Keelung metropolitan area)
| Taiwan, Republic of 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
| People's Republic of 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
| People's Republic of China
| 6,490,000
|
| 45
| Lahore, Punjab
| Pakistan
| 6,310,000
|
| 46
| Tianjin Municipality
| People's Republic of 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
| People's Republic of 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
| 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
| People's Republic of China
| 4,680,000
|
| 70
| Shantou, Guangdong
| People's Republic of China
| 4,680,000
|
| 71
| Xi'an, Shaanxi
| People's Republic of China
| 4,640,000
|
| 72
| Wuhan, Hubei
| People's Republic of China
| 4,600,000
|
| 73
| Chengdu, Sichuan
| People's Republic of 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
| People's Republic of 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
|
| 87
| Guadalajara, Jalisco
| Mexico
| 4,010,000
|
| 88
| Berlin
| Germany
| 4,000,000
|
| 89
| Nanjing, Jiangsu
| People's Republic of China
| 3,970,000
|
| 90
| Surabaya, East Java
| Indonesia
| 3,890,000
|
| 91
| Kano
| Nigeria
| 3,820,000
|
| 93
| Phoenix, 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
|
