Metropolitan area Country Rank Forstall
2003 est.[2]
Official population Year
Ahmedabad  India 6,352,254[3] 2011
Atlanta  United States 5,457,831[4] 2012
Bangalore  India 8,728,906[3] 2011
Barcelona  Spain 5,357,422[5] 2012
Belo Horizonte  Brazil 5,504,635[6] 2012
Beijing  China 19 12,500,000
Berlin  Germany 5,097,712[5] 2012
Bogotá  Colombia 9,023,644[7][8] 2014
Buenos Aires  Argentina 17 13,170,000 12,801,364[9] 2010
Cairo  Egypt 16 14,450,000
Chennai  India 8,917,749[3] 2011
Chicago  United States 9,175,000 9,522,434[4] 2012
Dallas–Fort Worth  United States 6,700,991[4] 2012
Delhi  India 8 18,600,000 21,753,486[3] 2011
Dhaka  Bangladesh 12,797,394[10] 2008
Houston  United States 6,177,035[4] 2012
Hyderabad  India 7,749,334[3] 2011
İstanbul  Turkey 14,160,467[11] 2014
Jakarta  Indonesia 6 18,900,000 28,019,545[12] 2010
Karachi  Pakistan 20 11,800,000
Kolkata  India 14 15,100,000 14,617,882[3] 2011
Lima  Peru 9,735,587[13] 2014
London  United Kingdom 18 12,875,000 13,614,409[5] 2012
Los Angeles  United States 13 15,250,000 13,052,921[4] 2012
Madrid  Spain 6,387,824[5] 2012
Manila  Philippines 11 16,300,000 11,855,975[14] 2010
Mexico City  Mexico 3 20,450,000 20,116,842[15] 2010
Miami  United States 5,762,717[4] 2012
Moscow  Russia 15 15,000,000 17,000,000[16][17]
Mumbai  India 5 19,200,000 20,748,395[3] 2011
Nagoya  Japan 9,107,000[18] 2010
New York  United States 4 19,750,000 19,831,858[4] 2012
Osaka-Kobe-Kyoto (Keihanshin)  Japan 9 17,375,000 19,342,000[18] 2010
Paris  France 12,223,100[19] 2010
Philadelphia  United States 6,018,800[4] 2012
Pune  India 5,049,968[3] 2011
Ruhr  Germany 5,135,136[5] 2012
Rio de Janeiro  Brazil 11,846,530[6] 2012
São Paulo  Brazil 7 18,850,000 19,956,590[6] 2012
Santiago  Chile 6,683,852[20] 2012
Shanghai  China 10 16,650,000
Seoul  South Korea 2 20,550,000 25,721,000[21] 2012
Singapore  Singapore 5,312,000[22] 2012
Tokyo  Japan 1 32,450,000 36,923,000[18] 2010
Toronto  Canada 5,583,064[23] 2011
Washington, D.C.  United States 5,860,342[4] 2012