Location Country Name Opening Stations Length (km) Length (mi) Last extension
Seoul South Korea Seoul Metropolitan Subway[note 28] 1974[note 29] 397[note 30] 526.3 327.0 2012[note 31]
Beijing China Beijing Subway[25][26] 1971[note 9] 270 456 283 2013[27]
Shanghai China Shanghai Metro[note 13] 1993 289 439 273 2012[39]
London United Kingdom London Underground[81] 1863[82] 270 402 250 2009
New York City United States New York City Subway[note 49][97][98][99] 1868 (Elevated) 1904 (Subway) 468 373 232 2013[note 50]
Berlin Germany Berlin S-Bahn 1924 166 331 206 2007
Moscow Russia Moscow Metro[64][65] 1935 188 313.1 194.6 2012[66]
Madrid Spain Metro de Madrid[note 40][74] 1919 300 293 182 2011
Mexico City Mexico Mexico City Metro[note 32][57] 1969 195 226 140 2012[note 33]
Paris France Paris Métro[47][48] 1900 303 219.9 136.6 2013
Guangzhou China Guangzhou Metro[32][note 12] 1997 120 215.0 133.6 2010[33]
Tokyo Japan[note 21] Tokyo Metro 1927 179 195.1 121.2 2008
Delhi India Delhi Metro 2002[52] 145 193 120 2011
Chicago United States Chicago 'L'[90] 1897[note 46][91] 145 180.3 112.0 1993
Shenzhen China Shenzhen Metro 2004 137 178.4 110.9 2011[41]
Valencia Spain Metrovalencia[note 41] 1988 169 175 109 2007
Hong Kong Hong Kong(china) MTR[51] 1979[note 19] 82 174.4 108.4 2009
Washington, D.C. United States Washington Metro[107][108] 1976 86 171.0 106.3 2004
San Francisco Bay Area United States BART[106] 1972 44 167 104 2011
Berlin Germany Berlin U-Bahn[50] 1902 173 147 91 2009
Singapore Singapore Mass Rapid Transit[72] 1987 89 146.5 91.0 2012[note 39]
Hamburg Germany Hamburg S-Bahn 1908 68 144.0 89.5 2008
Istanbul Turkey Istanbul Metro 2000 28 138 86 2013
Osaka Japan[note 21] Osaka Municipal Subway 1933 101 137.8 85.6 2006
Busan South Korea Busan Subway 1985 128 130.2 80.9 2011[note 23]
Tianjin China Tianjin Metro 1984 76 128.6 79.9 2012[43]
Barcelona Spain Barcelona Metro[73] 1924 166 125 78 2011
Tokyo Japan[note 21] Toei Subway 1960 106 121.5 75.5 2000
Tehran Iran Tehran Metro 1999[53] 120 120 75 2012
Saint Petersburg Russia Saint Petersburg Metro 1955 67 113.2 70.3 2012[69]
Taipei Taiwan Taipei Metro 1996 102[77] 112.8 70.1 2012
Stockholm Sweden Stockholm Metro[75] 1950 100 110.0 68.4 1994[note 42]
Munich Germany Munich U-Bahn 1971 100 103.1 64.1 2010
Santiago Chile Santiago Metro[23][24] 1975 100 103 64 2011
Hamburg Germany Hamburg U-Bahn 1912 89 100.7 62.6 2012
Milan Italy Milan Metro[55] 1964 101 92 57 2013
Nagoya Japan[note 21] Nagoya Municipal Subway 1957 83 89.1 55.4 2011
Nanjing China Nanjing Metro[37] 2005 58 87.0 54.1 2011[38]
Oslo Norway Oslo Metro 1966 105 84.2 52.3 2006[note 35]
Athens Greece Athens Metro[note 16][note 17] 1869 60 79.6 49.5 2013[note 18]
Rotterdam Netherlands Rotterdam Metro 1968 62 78.3 48.7 2010
Atlanta United States MARTA[85] 1979[86] 38 77 48 2000
Vienna Austria Vienna U-Bahn[13] 1976 101 75 47 2010[note 2]
Dubai United Arab Emirates Dubai Metro[79] 2009 47 75 47 2012[note 44]
Newcastle/Sunderland United Kingdom Tyne & Wear Metro[84] 1980 60 74.5 46.3 2002
São Paulo Brazil São Paulo Metro[17] 1974 64 74.2 46.1 2011
Cairo Egypt Cairo Metro[46] 1987 60 69.8 43.4 2012[note 15]
Bucharest Romania Bucharest Metro[61] 1979 51 69.3 43.1 2011[note 38]
Montreal Canada Montreal Metro[18] 1966 68 69.2 43.0 2007[note 6]
Vancouver Canada SkyTrain[21] 1985[22] 47 68.6 42.6 2009[note 8]
Toronto Canada Toronto Subway and RT[19][20] 1954 69 68.3 42.4 2002[note 7]
Chongqing China Chongqing Rail Transit[note 10] 2005 35 67.7 42.1 2012[29]
Kiev Ukraine Kiev Metro 1960 51 66.1 41.1 2012
Dalian China Dalian Metro[30] 2003 20 63.0 39.1 2008[31]
Boston United States MBTA[note 45][88][89] 1897 51 61 38 1985
Prague Czech Republic Prague Metro 1974 57 59.3 36.8 2008[note 14]
Philadelphia United States SEPTA[note 52][102][103][104] 1907 74 59.1 36.7 1973
Frankfurt Germany Frankfurt U-Bahn 1968 85 58.6 36.4 2010
Daegu South Korea Daegu Subway 1997 59 57.3 35.6 2012[note 24]
Wuhan China Wuhan Metro 2004 46 56.85 35.32 2012[44]
Kuala Lumpur Malaysia Kuala Lumpur Rail Transit System 1996 48 56 35 2003
Caracas Venezuela Caracas Metro 1983 47 54.2 33.7 2010[109]
Brussels Belgium Brussels Metro 1976 59 49.9 31.0 2009[note 5]
Chengdu China Chengdu Metro 2010 42 49.7 30.9 2013[28]
Shenyang China Shenyang Metro 2010 41 49.7 30.9 2012[40]
Buenos Aires Argentina Subterráneo de Buenos Aires[9] 1913 68[note 1] 48.4 30.1 2013[10]
Hangzhou China Hangzhou Metro[34] 2012 31 48.0 29.8 2012[35]
Sapporo Japan[note 21] Sapporo Municipal Subway 1971 46 48 30 1999
Rio de Janeiro Brazil Metrô Rio[16] 1979 35 46.2 28.7 2009
Lisbon Portugal Lisbon Metro[59][60] 1959 55 45.5 28.3 2012[note 37]
Lille France Lille Metro 1983 60 45.2 28.1 2000
Bilbao Spain Bilbao Metro 1995 41 43.31 26.91 2011
Valparaíso Chile Valparaíso Metro 2005 20 43 27 2005
Kaohsiung Taiwan Kaohsiung Mass Rapid Transit 2008 37 42.7 26.5 2012
Brasília Brazil Brasília Metro 2001 24 42.4 26.3[14] 2008
Rome Italy Rome Metro[56] 1955 52 41.5 25.8 2012
Yokohama Japan[note 21] Yokohama Municipal Subway 1972 32 40.4 25.1 2002
Kunming China Kunming Rail Transit 2012 14 40.1 24.9 2013[36]
Miami United States Metrorail[95] 1984[96] 23 40.1 24.9 2012
Recife Brazil Recife Metro 1985 28 39.5 24.5 2009
Porto Alegre Brazil Porto Alegre Metro 1985 19 38.7 24.0 2012
Kharkiv Ukraine Kharkiv Metro 1975 29 38.1 23.7 2010
Tashkent Uzbekistan Tashkent Metro 1977 29 37.5 23.3 2001[note 53]
Minsk Belarus Minsk Metro 1984 28 35.5 22.1 2012[note 4]
Baku Azerbaijan Baku Metro 1967 23 34.6 21.5 2011[note 3]
Nuremberg Germany Nuremberg U-Bahn 1972 44 34.6 21.5 2011
Tokyo Japan[note 21] Yamanote Line 1925 29 34.5 21.4 1925
Manila Philippines Manila Light Rail Transit System 1984 32 34.5 21.4 2010
London United Kingdom Docklands Light Railway 1987[83] 45 34 21 2011
Bangkok Thailand Bangkok Skytrain[78] 1999 32 32.8 20.4 2013
Amsterdam Netherlands Amsterdam Metro[note 34][58] 1977 33 32.7 20.3 2005
Medellín Colombia Medellín Metro 1995 34 32 20 1996
Budapest Hungary Budapest Metro 1896 42 31.7 19.7 1990
Sofia Bulgaria Sofia Metro 1998 27 31.0 19.3 2012
Bursa Turkey Bursa Metro 2002 31 31 19 2011
Cleveland United States RTA Rapid Transit (Red Line)[92] 1955[93] 18 31 19 1968
Kobe Japan[note 21] Kobe Municipal Subway 1977 25 30.6 19.0 2001
Lyon France Lyon Metro 1978 42 30.5 19.0 2007
Fukuoka Japan[note 21] Fukuoka City Subway 1981 35 29.8 18.5 2005
Incheon South Korea Incheon Subway 1999 29 29.4 18.3 2009[note 27]
Kyoto Japan[note 21] Kyoto Municipal Subway 1981 29 28.8 17.9 2008
Bangkok Thailand Suvarnabhumi Airport Rail Link City Line 2010 8 28.6 17.8 2010
Belo Horizonte Brazil Belo Horizonte Metro 1986 19 28.2 17.5 2002
Los Angeles United States Metro Rail[note 47][94] 1993 16 28.0 17.4 2000[note 48]
Kolkata India Kolkata Metro 1984 24 27.89 17.33 2013
Toulouse France Toulouse Metro 1993 37 27.5 17.1 2007
Tbilisi Georgia Tbilisi Metro 1966 22 26.4 16.4 2000[49]
Suzhou China Suzhou Rail Transit 2012 24 25.7 16.0 2012[42]
Baltimore United States Metro Subway[87] 1983 14 24.9 15.5 1995
Santo Domingo Dominican Republic Santo Domingo Metro 2009 30 24.8 15.4 2013
Fortaleza Brazil Fortaleza Metro 2012 16 24 15[15] 2012
Ankara Turkey Ankara Metro 1997 23 23.4 14.5 1997
Warsaw Poland Warsaw Metro 1995 21 23.1 14.4 2008
Philadelphia/New Jersey United States PATCO Speedline[105] 1936 13 22.9 14.2 1969
Daejeon South Korea Daejeon Subway 2006 22 22.7 14.1 2007[note 25]
New York City United States Staten Island Railway[99] 1925[note 51] 22 22.5 14.0 1925
New York City/New Jersey United States PATH[100] 1908[101] 13 22.2 13.8 1910
Marseille France Marseille Metro 1977 30 22 14 2010
Pyongyang North Korea Pyongyang Metro 1973 17 22 14 1987[note 22]
Lima Peru Lima Metro 2011 16 21.4 13.3 2011[note 36]
Helsinki Finland Helsinki Metro 1982 17 21.1 13.1 2007
Copenhagen Denmark Copenhagen Metro 2002 22 21 13 2007
Bangkok Thailand Bangkok Metro 2004 18 21 13 2004
Xi'an China Xi'an Metro 2011 17 20.5 12.7 2011[45]
Foshan China FMetro[note 11] 2010 14 20.4 12.7 2010