Editing List of metro systems (section)

==List by country/region==
Recent ridership figures, particularly for 2020, will have been affected by the [[COVID-19 pandemic]].
{{Static row numbers}}
{| class="wikitable sortable sticky-header-multi static-row-numbers" style="font-size:;"
|-
! Country
! Systems
! data-sort-type="number" | Length
! Lines
! Stations
! data-sort-type="number" | Annual ridership / km<br />(millions)
! Inauguration
|-
|{{flagicon|China}} [[Urban rail transit in China|China]]
|[[Urban rail transit in China#Overview|47]]
|{{cvt|11130.97|km|mi}}
|307
|6,041
|2.10 (2020){{refn|group="R Nb"|Excluding Shaoxing, Taiyuan, and Luoyang systems, which had no data.}}
|1971
|-
|{{flag|United States}} {{anchor|A}}
|[[List of United States rapid transit systems|16]]
|{{cvt|1389.4|km|mi}}
|71
|1,000
|1.66 (2022)
|1892
|-
|{{flagicon|India}} [[Urban rail transit in India|India]]
|[[Urban rail transit in India#List of systems|17]]
|{{cvt|1031.96|km|mi}}
|39
|726
|3.70 (2021){{refn|group="R Nb"|Excluding Kanpur and Pune systems which had no data.}}
|1984<ref>{{Cite web |title=PIB Delhi Report |url=https://pib.gov.in/PressReleasePage.aspx?PRID=2090364#:~:text=Metro%20systems%20have%20transformed%20travel,metro%20network%20in%20the%20world. |access-date=2025-01-05 |website=Ministry of Housing And Urban Affairs |language=en-US}}</ref><ref>{{cite web | url=https://pib.gov.in/PressReleaseIframePage.aspx?PRID=2090364#:~:text=Metro%20systems%20have%20transformed%20travel,metro%20network%20in%20the%20world. | title=1,000 KMS of Metro 3rd Largest in the World }}</ref>
|-
|{{flag|Japan}} 
|[[List of urban rail systems in Japan|20]]<ref group="R Nb" name="japan" />
|{{cvt|897.5|km|mi}}
|54
|774
|8.19 (2019)
|1927
|-
|{{flag|South Korea}} {{anchor |A}}
|[[Rapid transit in South Korea|6]]
|{{cvt|753.93|km|mi}}
|35
|683
|3.87 (2019)
|1974
|-
|{{flag|Russia}} {{anchor|A}}
|[[List of metro systems in the Soviet Union|7]]
|{{cvt|663.7|km|mi}}
|29
|426
|4.62 (2022)
|1935
|-
|{{flag|Spain}} {{anchor|A}}
|[[Rapid transit in Spain|3]]
|{{cvt|469.8|km|mi}}
|23
|539
|1.43 (2019)
|1919
|-
|{{flag|United Kingdom}} {{anchor|A}}
|[[Rapid transit in the United Kingdom#Cities|3]]
|{{cvt|446.4|km|mi}}
|19
|332
|2.11 (2022)
|1863
|-
|{{flag|France}} {{anchor|A}}
|[[Rapid transit in France|6]]
|{{cvt|398.3|km|mi}}
|28
|517
|3.70 (2019–20)
|1900
|-
|{{flag|Turkey}} {{anchor|A}}
|[[Rapid transit in Turkey|5]]
|{{cvt|391.2|km|mi}}
|18
|280
|1.94 (2019–20){{refn|group="R Nb"|Excluding Adana and Bursa systems which had very old data.}}
|1989
|-
|{{flag|Germany}} {{anchor|A}}
|[[Rapid transit in Germany#U-Bahn systems|4]]
|{{cvt|386.8|km|mi}}
|24
|413
|3.59 (2019)
|1902
|-
|{{flag|Brazil}} {{anchor|A}}
|[[Rapid transit in Brazil|8]]
|{{cvt|374.3|km|mi}}
|20
|266
|3.45 (2018–20)
|1974
|-
|{{flag|Iran}} {{anchor|A}}
|[[Rapid transit in Iran|6]]
|{{cvt|338.5|km|mi}}
|17
|262
|4.08 (2018){{refn|group="R Nb"|Excluding Isfahan, Karaj and Tabriz systems which had no data.}}
|1999
|-
|{{flag|Mexico}} {{anchor|A}}
|[[Rail transport in Mexico#Mass transit|3]]
|{{cvt|287.5|km|mi}}
|18
|283
|4.37 (2020){{refn|group="R Nb"|Excluding Guadalajara system which had no data.}}
|1969
|-
|{{flag|Taiwan}} {{anchor|A}}
|[[Rapid transit in Taiwan|5]]
|{{cvt|258.7|km|mi}}
|11
|231
|3.26 (2019–20){{refn|group="R Nb"|Excluding Taichung system which had no data.}}
|1996
|-
|{{flag|Italy}} {{anchor|A}}
|[[Transport in Italy#Rapid transit|7]]
|{{cvt|254.0|km|mi}} 
|16
|304
|3.73 (2018–19)
|1955
|-
|{{flagicon|Canada}} [[Urban rail transit in Canada|Canada]]
|[[Urban rail transit in Canada#Existing systems|4]]
|{{cvt|243.3|km|mi}}
|12
|201
|2.64 (2022)
|1954
|-
|{{flag|Singapore}} {{anchor|A}}
|[[Mass Rapid Transit (Singapore)|1]]
|{{cvt|242.6|km|mi}} 
|6
|142
|3.41 (2020)
|1987
|-
|{{flag|Malaysia}} {{anchor|A}}
|[[Rapid KL|1]]
|{{cvt|210.4|km|mi}} 
|6
|149
|1.60 (2023)
|1996
|-
|{{Flag|Hong Kong}}
|[[MTR|1]]
|{{Convert|209.1|km|mi|abbr=on}}
|10
|99
|7.59 (2023)
|1979
|-
|{{flag|Thailand}} {{anchor|A}}
|[[List of urban rail systems in Thailand|2]]
|{{cvt|205.95|km|mi}}
|7
|171
|2.11 (2023)
|1999
|-
|{{flag|Saudi Arabia}} {{anchor|A}}
|[[Riyadh Metro|1]]
|{{cvt|176|km|mi}}
|3
|84
|n/a
|2024
|-
|{{flag|Chile}} {{anchor|A}}
|[[Santiago Metro|1]]
|{{cvt|149|km|mi}} 
|7
|143
|1.88 (2020)
|1975
|-
|{{flag|Netherlands}} {{anchor|A}}
|[[Public transport in the Netherlands|2]]
|{{cvt|143.5|km|mi}} 
|10
|109
|1.48 (2019)
|1968
|-
|{{flag|Ukraine}} {{anchor|A}}
|[[Public transport in Ukraine|3]]
|{{cvt|114.2|km|mi}}
|7
|88
|6.43 (2022)
|1960
|-
|{{flag|Sweden}} {{anchor|A}}
|[[Stockholm Metro|1]]
|{{cvt|108|km|mi}} 
|7
|100
|3.10 (2018)
|1950
|-
|{{flag|Egypt}} {{anchor|A}}
|[[Cairo Metro|1]]
|{{cvt|106.8|km|mi}}
|3
|84
|7.45 (2020)
|1987
|-
|{{flag|Greece}} {{anchor|A}}
|[[Transport in Greece#Metro|2]]
|{{cvt|101.3|km|mi}}
|4
|79
|2.92 (2018)
|1904
|-
|{{nowrap|{{flag|United Arab Emirates}}}}{{anchor|A}}
|[[Dubai Metro|1]]
|{{cvt|89.5|km|mi}}
|3
|53
|1.26 (2020)
|2009
|-
|{{flag|Indonesia}} {{anchor|A}}
|[[Rail transport in Indonesia|4]]
|{{cvt|89.4|km|mi}} 
|5
|50
|0.63 (2020)
|2018
|-
|{{flag|Norway}} {{anchor|A}}
|[[Oslo Metro|1]]
|{{cvt|85|km|mi}} 
|5
|101
|0.87 (2020)
|1966
|-
|{{flag|Austria}} {{anchor|A}}
|[[Vienna U-Bahn|1]]
|{{cvt|83.3|km|mi}} 
|5
|109
|5.51 (2019)
|1978
|-
|{{flag|Romania}} {{anchor|A}}
|[[Bucharest Metro|1]]
|{{cvt|80.1|km|mi}} 
|5
|64
|1.6 (2023)
|1979
|-
|{{flag|Qatar}} {{anchor|A}}
|[[Doha Metro|1]]
|{{cvt|76|km|mi}} 
|3
|37
|n/a
|2019
|-
|{{flag|Uzbekistan}} {{anchor|A}}
|[[Tashkent Metro|1]]
|{{cvt|70.8|km|mi}}
|4
|50
|2.32 (2022)
|1977
|-
|{{flag|Venezuela}} {{anchor|A}}
|[[Caracas Metro|2]]
|{{cvt|67.2|km|mi}}
|5
|49
|5.32 (2017)
|1983
|-
|{{flag|Czech Republic}} {{anchor|A}}
|[[Prague Metro|1]]
|{{cvt|65.4|km|mi}} 
|3
|61
|3.85 (2020)
|1974
|-
|{{flag|Philippines}} {{anchor|A}}
|[[Manila Light Rail Transit System|2]]
|60.2&nbsp;km (37.4&nbsp;mi) 
|3
|51
|5.82 (2019)
|1984
|-
|{{flag|Argentina}} {{anchor|A}}
|[[Buenos Aires Underground|1]]
|{{cvt|56.7|km|mi}} 
|7
|104
|4.16 (2022)
|1913
|-
|{{flag|Australia}} {{anchor|A}}
|[[Sydney Metro|1]]
|52&nbsp;km (32&nbsp;mi)
|1
|21
|n/a
|2019
|-
|{{flag|Bulgaria}} {{anchor|A}}
|[[Sofia Metro|1]]
|{{cvt|52|km|mi}} 
|4
|47
|1.79 (2018)
|1998
|-
|{{flag|Belarus}} {{anchor|A}}
|[[Minsk Metro|1]]
|{{cvt|44.9|km|mi}}
|3
|36
|5.54 (2022)
|1984
|-
|{{flag|Portugal}} {{anchor|A}}
|[[Lisbon Metro|1]]
|{{cvt|44.2|km|mi}} 
|4
|56
|1.93 (2020)
|1959
|-
|{{flag|Finland}} {{anchor|A}}
|[[Helsinki Metro|1]]
|{{cvt|43|km|mi}}
|2
|30
|1.84 (2023)
|1982
|-
|{{flag|Vietnam}} {{anchor|A}}
|[[Transport in Vietnam|2]]
|{{cvt|41.3|km|mi}}
|3
|34
|0.82 (2023)
|2021
|-
|{{Flag|Poland}}
|[[Warsaw Metro|1]]
|{{cvt|41.2|km|mi}}
|2
|34
|5.50 (2019)
|1995
|-
|{{flag|Panama}} {{anchor|A}}
|[[Panama Metro|1]]
|{{cvt|41.2|km|mi}}
|2
|33
|1.38 (2020)
|2014
|-
|{{flag|Azerbaijan}} {{anchor|A}}
|[[Baku Metro|1]]
|{{cvt|40.7|km|mi}}
|3
|27
|4.98 (2022)
|1967
|-
|{{Flag|Nigeria}}{{anchor|A}}
|[[Lagos Rail Mass Transit|1]]
|{{cvt|40|km|mi}}
|2
|13
|n/a
|2023
|-
|{{flag|Belgium}} {{anchor|A}}
|[[Brussels Metro|1]]
|{{cvt|39.9|km|mi}}
|4
|59
|2.19 (2020)
|1976
|-
|{{flag|Hungary}} {{anchor|A}}
|[[Budapest Metro|1]]
|{{cvt|39.4|km|mi}}
|4
|48
|9.71 (2023)
|1896
|-
|{{flag|Peru}} {{anchor|A}}
|[[Lima and Callao Metro|1]]
|{{cvt|39.4|km|mi}} 
|2
|31
|3.19 (2018)
|2011
|-
|{{flag|Denmark}} {{anchor|A}}
|[[Copenhagen Metro|1]]
|{{cvt|43.3|km|mi}}
|4
|44
|3.13 (2023)
|2002
|-
|{{flag|Colombia}} {{anchor|A}}
|[[Medellín Metro|1]]
|{{cvt|31.3|km|mi}} 
|2
|27
|6.7 (2024)
|1995
|-
|{{flag|Dominican Republic}} {{anchor|A}}
|[[Santo Domingo Metro|1]]
|{{cvt|31|km|mi}} 
|2
|34
|1.60 (2020)
|2009
|-
|{{flag|Georgia}} {{anchor|A}}
|[[Tbilisi Metro|1]]
|{{cvt|27.3|km|mi}}
|2
|23
|2.74 (2022)
|1966
|-
|{{flag|Pakistan}} {{anchor|A}}
|[[Lahore Metro|1]]
|{{cvt|27.1|km|mi}} 
|1
|26
|0.74 (2020–2021)
|2020
|-
|{{flag|Ecuador}} {{anchor|A}}
|[[Quito Metro|1]]
|{{cvt|22.6|km|mi}}
|1
|15
|n/a
|2023
|-
|{{flag|North Korea}} {{anchor|A}}
|[[Pyongyang Metro|1]]
|{{cvt|22|km|mi}} 
|2
|16
|1.63 (2009)
|1973
|-
|{{flag|Bangladesh}} {{anchor|A}}
|[[Dhaka Metro Rail|1]]
|{{cvt|21.3|km|mi}}
|1
|16
|n/a
|2022
|-
|{{flag|Algeria}} {{anchor|A}}
|[[Algiers Metro|1]]
|{{cvt|18.5|km|mi}} 
|1
|19
|2.40 (2019)
|2011
|-
|{{Flag|Macao}}
|[[Macau Light Rapid Transit|1]]
|{{Convert|16.3|km|mi|abbr=on}}
|3
|15
|0.20 (2023)
|2019
|-
|{{flag|Kazakhstan}} {{anchor|A}}
|[[Almaty Metro|1]]
|{{cvt|14.5|km|mi}}
|1
|11
|1.27 (2022)
|2011
|-
|{{flag|Armenia}} {{anchor|A}}
|[[Yerevan Metro|1]]
|{{cvt|13.4|km|mi}}
|1
|10
|1.93 (2022)
|1981
|-
|{{flag|Switzerland}} {{anchor|A}}
|[[Lausanne Métro|1]]
|{{cvt|5.9|km|mi}} 
|1{{refn|group="R Nb"|[[Lausanne Métro Line M1]] (with 28 stations), is considered [[light rail]]}}
|14
|5.55 (2019)
|2008
|}