| City | Country | Name | Official Link | Lines | Stations | System length (km) | Daily Ridership | 
| Buenos Aires |  Argentina | Buenos Aires Metropolitan Area Rail Network | Transporte Público | 8 | 224 | 815 | 1,400,000.[1] | 
| Mendoza - Greater Mendoza |  Argentina | Metrotranvía Mendoza |  | 1 | 16 | 12.5 | 5,000 (2013).[2] | 
| Adelaide |  Australia | Adelaide Metro | Adelaide Metro | 6 | 86 | 140 | 35,933 | 
| Brisbane |  Australia | Queensland Rail | Queensland Rail | 10 | 146 | 400 | 150,000 | 
| Melbourne |  Australia | Metro Trains Melbourne | Metro Trains Melbourne Public Transport Victoria Vicsig | 16 | 215 | 830 | 625,000 | 
| Perth |  Australia | Transperth Trains | Transperth | 6 | 69 | 173 | 165,000 | 
| Sydney |  Australia | Sydney Trains | Sydney Trains | 11 | 176 | 815 | 790,000 | 
| Graz |  Austria | S-Bahn Steiermark | ÖBB S-Bahn Steiermark | 9 | 97 |  |  | 
| Innsbruck |  Austria | S-Bahn Tirol | ÖBB S-Bahn Tirol | 6 | 68 | 271 |  | 
| Klagenfurt |  Austria | S-Bahn Kärnten | ÖBB S-Bahn Kärnten | 3 | 57 | 143 |  | 
| Salzburg |  Austria | Salzburg S-Bahn | ÖBB S-Bahn Salzburg | 5 | 64 | 130 |  | 
| Vienna |  Austria | S-Bahn Wien | ÖBB S-Bahn Wien | 9 | 176 |  | 300,000 | 
| Vorarlberg |  Austria | S-Bahn Vorarlberg | ÖBB | 3 |  | 80 |  | 
| Brussels | .svg.png) Belgium | Brussels RER |  | 12 | 120 | 350 |  | 
| Crato–Juazeiro do Norte |  Brazil | Cariri Metro | Metrô do Cariri |  |  |  |  | 
| Fortaleza |  Brazil | Fortaleza Metro (Metrofor)1 | Metrofor | 2 | 28 | 43 | 31,000 | 
| João Pessoa |  Brazil | Sistema de Trens Urbanos de João Pessoa | CBTU João Pessoa | 1 | 12 | 30 | 10,000 | 
| Recife |  Brazil | Recife Metro | CBTU Recife | 1 | 8 | 31.5 |  | 
| Rio de Janeiro |  Brazil | SuperVia |  | 7 | 109 | 223.5 | 450,000 | 
| São Paulo |  Brazil | Companhia Paulista de Trens Metropolitanos (CPTM) |  | 6 | 92 | 258.4 | 3,016,444 | 
| Teresina |  Brazil | Teresina Metro |  |  |  |  |  | 
| Montreal |  Canada | Agence métropolitaine de transport (AMT) | AMT | 5 | 51 | 204.4 | 74,900 | 
| Toronto |  Canada | GO Transit | Go Transit | 7 | 62 | 444 | 187,000 | 
| Vancouver |  Canada | West Coast Express | West Coast Express | 1 | 8 | 69 | 11,300 | 
| Concepción |  Chile | Biotren |  | 2 | 17 | 48 | 5200 | 
| Santiago de Chile - Rancagua - San Fernando |  Chile | Metrotren |  | 1 | 18 | 133.8 | 20,000 | 
| Beijing |  China | Beijing Suburban Railway |  | 1 | 6 | 86 |  | 
| Zagreb |  Croatia | Zagreb Commuter Rail |  |  |  |  |  | 
| Split |  Croatia | Split Suburban Railway |  | 1 | 7 | 17.8 |  | 
| Prague |  Czech Republic | Esko Prague |  | 33 | 295 | 933 | 110,000 | 
| Ostrava |  Czech Republic | Esko Moravian-Silesian Region |  | 10 |  |  |  | 
| Aalborg |  Denmark | Aalborg Commuter Rail | DSB | 1 | 7 |  |  | 
| Aarhus |  Denmark | Aarhus Commuter Rail | DSB | 1 | 33 | 95 |  | 
| Copenhagen |  Denmark | S-train2 | S-tog | 7 | 85 | 170 | 357,000 | 
| Helsinki |  Finland | Helsinki commuter rail | VR commuter rail | 14 | 55 | 236 | 152,000 | 
| Paris |  France | Réseau Express Régional (RER)2 | RATP | 5 | 246 | 587 | 3,290,000[3] | 
| Transilien | Transilien | 14 | 381 | 1288 | 768,300 | 
| Berlin |  Germany | Berlin S-Bahn | S-Bahn Berlin | 15 | 166 | 331.5 | 1,060,000 | 
| Bremen |  Germany | Regio-S-Bahn Bremen/Niedersachsen | Regio-S-Bahn Bremen/Niedersachsen | 4 | 56 | 270 |  | 
| Dresden |  Germany | Dresden S-Bahn |  | 3 | 46 | 103 |  | 
| Frankfurt/Mainz/Wiesbaden |  Germany | Rhine-Main S-Bahn | RMV | 9 | 108 | 303 | 400,000 | 
| Hamburg |  Germany | Hamburg S-Bahn | S-Bahn Hamburg Hamburger Verkehrsverbund | 6 | 68 | 144 |  | 
| Hannover |  Germany | Hanover S-Bahn |  | 8 | 74 | 385 |  | 
| Leipzig/Halle |  Germany | S-Bahn Mitteldeutschland | S-Bahn Mitteldeutschland | 7 | 104 | 430 |  | 
| Magdeburg |  Germany | S-Bahn Mittelelbe |  | 1 | 22 | 76 |  | 
| Mannheim/Heidelberg/Karlsruhe |  Germany | RheinNeckar S-Bahn |  | 5 | 77 | 290 |  | 
| Munich |  Germany | Munich S-Bahn | MVV | 8 | 148 | 442 | 800,000 | 
| Nuremberg |  Germany | Nuremberg S-Bahn |  | 4 | 33 | 229 | 40,000 | 
| Ruhr Area/Cologne/Düsseldorf |  Germany | Rhein-Ruhr S-Bahn |  | 13 | 124 | 676 |  | 
| Rostock |  Germany | Rostock S-Bahn |  | 3 | 24 | 58 |  | 
| Stuttgart |  Germany | Stuttgart S-Bahn |  | 6 | 75 | 190 | 340,000 | 
| Athens |  Greece | Proastiakos | Trainose | 3 | 44 | 223 | 30,000[4] | 
| Thessaloniki |  Greece | Proastiakos | Trainose | 2 | 25 |  |  | 
| Patras |  Greece | Proastiakos | Trainose | 1 | 8 |  | 4,400[5] | 
| Budapest |  Hungary | HÉV | BKV Suburban RailwayUrbanRail.net Budapest HÉV Railway Photos
 | 5 | 79 | 101 |  | 
| Chennai |  India | Chennai suburban railway | Chennai Sub-urban Train Map | 6 | 100 | 897 | 1,460,000 | 
| Lucknow |  India | Barabanki-Lucknow Suburban Railway |  | 2 |  |  |  | 
| Delhi |  India | Delhi suburban railway |  |  |  |  |  | 
| Hyderabad |  India | MMTS Hyderabad |  | 3 | 36 | 43 | 100,000 | 
| Kolkata |  India | Kolkata Suburban Railway |  | 20 | 348 | 1142 | 3,750,000 | 
| Pune |  India | Pune Suburban Railway |  | 2 | 29 | 64 | 100,000 | 
| Mumbai |  India | Mumbai Suburban Railway | Mumbai Railway Vikas Corporation | 5 | 124 | 427.5 | 6,940,000 | 
| Jabodetabek |  Indonesia | KRL Jabodetabek | KRL Jabodetabek | 6 | 105 | 236.3 |  | 
| Tehran |  Iran | Tehran Metro | Urban & Suburban Railway Operation Co | 1 | 11 | 41.5 |  | 
| Baghdad |  Iraq | Baghdad Metro |  |  |  | 24 |  | 
| Dublin |  Ireland | Dublin Suburban Rail | Iarnród Éireann | 5 |  |  |  | 
| Cork |  Ireland | Cork Suburban Rail | Iarnród Éireann |  |  |  |  | 
| Galway |  Ireland | Galway Suburban Rail | Iarnród Éireann |  |  |  |  | 
| Limerick |  Ireland | Limerick Suburban Rail | Iarnród Éireann | 3 |  |  |  | 
| Tel Aviv, Haifa, Jerusalem, Beersheba
 |  Israel | Israel Railways |  | 9 |  | 1001 |  | 
| Bari |  Italy | Bari metropolitan railway service | FNB Ferrovie
 | 2 |  |  |  | 
| Bologna |  Italy | Bologna metropolitan railway service | SFM Bologna | 8 | 82 | 350 | 82,076 [6] | 
| Genoa |  Italy | Genoa urban railway service | Trenitalia | 3 | 21 |  |  | 
| Milan |  Italy | Milan suburban railway service | Trenord | 12 | 125 | 365 | 165,000[7] | 
| Naples |  Italy | Line 2 |  | 1 | 12 |  |  | 
| Circumvesuviana | EAV | 6 | 96 | 142 |  | 
| Circumflegrea railway |  | 1 | 16 | 27 |  | 
| Cumana railway |  | 1 | 16 | 20 |  | 
| Naples–Aversa railway |  | 1 | 5 | 10 |  | 
| Palermo |  Italy | Palermo metropolitan railway service | Trenitalia | 2 | 17 | 39 |  | 
| Rome |  Italy | FL lines | Trenitalia | 8 | 128 | 672 |  | 
| Rome–Lido railway |  |  | 14 | 28 |  | 
| Turin |  Italy | Turin metropolitan railway service | sfm Torino Ferrovie GTT Trenitalia | 7 | 85 |  |  | 
| Chūkyō Area |  Japan | JR Central | JA EN |  | 403 | 1,970.8 |  | 
| Aichi Loop Line Company (Aikan) | JA | 1 | 23 | 45.3 | 38,759[8] | 
| Kinki Nippon Electric Railway (Kintetsu) | JA |  |  |  |  | 
| Nagoya Railroad (Meitetsu) | JA EN+map |  | 275 | 444.2 |  | 
| Nagoya Seaside Rapid Railway (Aonami Line) | JA+map | 1 | 6 | 11.2 |  | 
| Tokai Transport Service (TKJ) | JA |  |  |  |  | 
| Fukuoka |  Japan | Nishi-Nippon Railroad (Nishitetsu) | JA EN | 4 |  |  |  | 
| Keihanshin Area (Osaka-Kobe-Kyoto)
 |  Japan | JR West | JA EN |  | 1,222 | 5,012.7 |  | 
| Hankyu Railway | JA EN+map | 3 |  | 138.4 | 1,950,000 | 
| Hanshin Electric Railway | JA EN |  |  |  |  | 
| Hokushin Kyuko Electric Railway | JA | 1 |  | 7.5 |  | 
| Keihan Electric Railway | JA |  |  |  |  | 
| Kinki Nippon Electric Railway (Kintetsu) | JA |  |  |  |  | 
| Kita-Osaka Kyuko Railway (Kitakyu) | JA+map | 1 |  |  |  | 
| Kobe Electric Railway (Shintetsu) | JA |  |  |  |  | 
| Kobe Rapid Railway |  | 3 |  |  |  | 
| Nankai Electric Railway | JA | 8 | 99 | 157.9 | 586,866[9][10] | 
| Semboku Rapid Railway | JA |  |  |  | 135,450[11] | 
| Sanyo Electric Railway | JA |  |  |  |  | 
| Greater Tokyo Area |  Japan | JR East | JA EN | 32 | 1,706[12] | 2282.8 | 17,100,000[12] | 
| Hokuso Railway | JA | 1 | 15 | 32.3 |  | 
| Keihin Electric Express Railway (Keikyu) | JA EN | 5 | 77 | 87 | 1,206,000 | 
| Keio Corporation | JA EN | 6[13] | 69[13] | 88.3 | 1,690,000[13] | 
| Keisei Electric Railway | JA EN | 6 | 69 | 152.8 | 712,426[14] | 
| Metropolitan Intercity Railway Company (Tsukuba Express) | JA EN | 1 | 20 | 58.3 |  | 
| Odakyu Electric Railway | JA EN | 3 | 80 | 120.5 | 1,951,000 | 
| Sagami Railway (Sotetsu) | JA EN | 2 | 28 | 35.9 | 614,236[15] | 
| Saitama Railway | JA EN+map | 1 | 8 | 14.6 |  | 
| Seibu Railway | JA EN | 12 | 92 | 176.6 | 1,692,523[14] | 
| Shin-Keisei Electric Railway | JA | 1 | 24 | 26.5 | 276,495[16] | 
| Tobu Railway | JA | 13 | 204 | 463.3 | 2,364,626[14] | 
| Tokyu Corporation (Tokyu) | JA EN | 7 | 108 |  | 2,833,000 | 
| Toyo Rapid Railway | JA | 1 | 9 | 16.2 | 133,000[17] | 
| Almaty |  Kazakhstan | Elektrichka | "EN map". Archived from the original on 2013-01-31. |  |  |  |  | 
| Seoul National Capital Area |  South Korea | Seoul Metropolitan Subway, Korail,  Commuter |  |  |  |  | 
| IIA and Yeongjongdo |  South Korea | A'REX | KO EN |  |  |  | 
| Kuala Lumpur |  Malaysia | KTM Komuter | KTM Berhad | 3 | 53 | 240 | 120,389 (2013)[18] | 
| Express Rail Link | KLIA Ekspres | 1 | 5 | 57 | 17,634 (2013)[19] | 
| Mexico City |  Mexico | Tren Suburbano | Ferrocarriles Suburbano | 1 | 7 | 27 | 140,000 | 
| Casablanca |  Morocco | Al Bidaoui | ONCF | 2 | 11 | 32.0 |  | 
| Auckland |  New Zealand | Transdev Auckland | Auckland Transport | 4 | 40 | 95 | 30,000 | 
| Wellington |  New Zealand | Tranz Metro | Tranz Metro Metlink | 5 | 48 | 154 | 30,000 | 
| Bergen |  Norway | Bergen Commuter Rail | NSB | 2 | 28 | 135 |  | 
| Oslo |  Norway | Oslo Commuter Rail | NSB | 8 | 110 | 501 |  | 
| Stavanger |  Norway | Jæren Commuter Rail | NSB | 1 | 18 | 75 | 7,000 | 
| Trondheim |  Norway | Trondheim Commuter Rail | NSB | 2 | 35 | 290 | 3 300 | 
| Manila |  Philippines | Philippine National Railways Metro Commuter Line | PNR | 1 | 32 |  | 100,000 | 
| Warsaw |  Poland | Koleje Mazowieckie | Koleje Mazowieckie | 8 |  |  |  | 
| Warsaw |  Poland | Szybka Kolej Miejska | SKM Warszawa | 4 |  |  | 77,000 | 
| Warsaw |  Poland | Warszawska Kolej Dojazdowa | WKD | 1 |  |  | 20,000 | 
| Lisbon |  Portugal | CP Urban Services | CP (in English) | 4 |  |  |  | 
| Oporto |  Portugal | CP Urban Services | CP (in English) | 5 |  |  |  | 
| Belgrade |  Serbia | Beovoz |  | 6 | 41 | 70 |  | 
| Cape Town |  South Africa | Metrorail Western Cape | GoMetro | 4 | 122 | 423 | 621,000 | 
| Durban |  South Africa | Metrorail KwaZulu-Natal | Metrorail | 8 | 99 |  |  | 
| East London |  South Africa | Metrorail Eastern Cape | Metrorail | 1 | 18 |  |  | 
| Johannesburg/Pretoria |  South Africa | Metrorail Gauteng | Metrorail | 12 |  |  |  | 
| Port Elizabeth |  South Africa | Metrorail Eastern Cape | Metrorail | 1 | 10 |  |  | 
| Alicante/Murcia |  Spain | Cercanías Murcia/Alicante |  | 1 | 26 | 200 |  | 
| Barcelona |  Spain | Rodalies Barcelona | Cercanías Barcelona | 13 |  | 228 |  | 
| Bilbao |  Spain | Cercanías Bilbao | Cercanías Bilbao | 3 | 54 |  |  | 
| Madrid |  Spain | Cercanías Madrid | Cercanías Madrid | 9 | 89 | 370 |  | 
| Málaga |  Spain | Cercanías Málaga | Cercanías Málaga | 2 | 26 | 70 |  | 
| Palma de Mallorca |  Spain | Serveis Ferroviaris de Mallorca |  | 3 | 29 | 85 |  | 
| Oviedo/Gijón |  Spain | Cercanías Asturias | Cercanías Asturias | 9 |  |  |  | 
| Seville |  Spain | Cercanías Sevilla | Cercanías Sevilla |  |  |  |  | 
| Valencia |  Spain | Cercanías Valencia | Cercanías Valencia | 6 | 66 | 252 |  | 
| Zaragoza |  Spain | Cercanías Zaragoza | Cercanías Zaragoza | 1 |  |  |  | 
| Gothenburg |  Sweden | Gothenburg commuter rail | Västtrafik | 3 | 25 | 104 | 60,000 | 
| Skåne County |  Sweden | Pågatågen | Skånetrafiken | 5 | 51 | 388 | 50,000 | 
| Stockholm |  Sweden | Stockholm commuter rail | SL | 4 | 50 | 200 | 299,000 | 
| Roslagsbanan and Saltsjöbanan | SL | 5 | 57 | 83 | 61,000 | 
| Linköping/Norrköping |  Sweden | Östergötland commuter rail | Östgötatrafiken | 1 | 11 | 115 | 9,000 | 
| Basel |  Switzerland | Basel Regional S-Bahn | Regio-S-Bahn Basel | 5 | 72 | 250 | 65,000 | 
| Bern |  Switzerland | Bern S-Bahn |  | 12 |  |  | 120,000 | 
| Zürich |  Switzerland | Zürich S-Bahn | ZVV | 28 | 171 | 380 | 380,000 | 
| Greater Taipei-Taoyuan-Hsinchu |  Taiwan | Taiwan Railway Administration | TRA | 4 |  |  |  | 
| Taichung |  Taiwan | Taiwan Railway Administration | TRA | 2 |  |  |  | 
| Tainan-Kaohsiung |  Taiwan | Taiwan Railway Administration | TRA | 1 |  |  |  | 
| Dar es Salaam |  Tanzania | Dar es Salaam commuter rail | Tazarasite.com | 2 | 23 | 45 | 16,000 | 
| Bangkok Metropolitan Area |  Thailand | Greater Bangkok Commuter rail | State Railway of Thailand | 5 |  | 623 |  | 
| Airport Rail Link | Airport Rail Link | 1 | 28.6 | 8 | 47,000 [20] | 
| Tunis |  Tunisia | TGM | TransTu | 1 | 18 | 19 |  | 
| Izmir |  Turkey | IZBAN |  | 2 | 32 | 80 | 280,000 | 
| Belfast |  United Kingdom | Belfast Suburban Rail (NI Railways) | NI Railways | 3 |  |  |  | 
| Cardiff |  United Kingdom | Valley Lines | Arriva Trains Wales |  | 81 |  |  | 
| Glasgow |  United Kingdom | Abellio ScotRail | First ScotRail |  | 341 | 3032 |  | 
| Liverpool |  United Kingdom | Merseyrail | Merseyrail, Merseytravel |  | 67 | 120.7 |  | 
| Leeds |  United Kingdom | MetroTrain (Northern Rail) | MetroTrain |  |  |  |  | 
| Greater London2 |  United Kingdom | c2c | c2c |  | 28 | 128.7 |  | 
| Chiltern Railways | Chiltern Railways |  | 62 | 336.4 |  | 
| Great Western Railway | Great Western Railway |  | 270 | 2129.2 |  | 
| Great Northern | TSGN |  |  |  |  | 
| Thameslink | TSGN |  | 129 | 778.9 |  | 
| Abellio Greater Anglia | Abellio Greater Anglia |  | 168 |  |  | 
| Heathrow Connect | Heathrow Connect |  | 8 |  |  | 
| London Overground | London Overground | 9 | 112 | 123.6 | 200,000 | 
| Southern | Southern Railway |  | 213 |  |  | 
| South West Trains | South West Trains |  | 213 |  |  | 
| Southeastern | London & South Eastern Railway |  | 179 |  |  | 
| TfL Rail |  | 1 | 14 | 32 |  | 
| West Midlands conurbation |  United Kingdom | Centro (London Midland) | Centro, Network West Midlands |  |  |  |  | 
| Albuquerque |  United States | New Mexico Rail Runner Express | Rio Metro | 1 | 11 | 156 | 3,900 | 
| Austin |  United States | Capital MetroRail | Metro – MetroRail | 1 | 9 | 51 | 1,600 | 
| Boston |  United States | MBTA Commuter Rail (Massachusetts Bay Transportation Authority) | MBTA – Commuter Rail Maps and Schedules | 11 | 127 | 592 | 129,400 | 
| Chicago |  United States | Metra | Metra | 11 | 239 | 785 | 296,600 | 
| Chicago–South Bend |  United States | South Shore Line | South Shore Line | 1 | 20 | 634 | 11,500 | 
| Dallas |  United States | Trinity Railway Express (TRE) | Trinity Railway Express | 1 | 10 | 34.7 | 8,300 | 
| A-train (Denton County Transportation Authority) (DCTA) | Denton County Transportation Authority | 1 | 6 | 33.8 | 1,500 | 
| Denver |  United States | RTD Commuter Rail | Fastracks | 1 | 8 | 37.82 | 
| Los Angeles-Orange County-Inland Empire |  United States | Metrolink | Metrolink | 7 | 55 | 512 | 42,265 | 
| Miami/Fort Lauderdale/West Palm Beach |  United States | Tri-Rail | Tri-Rail | 1 | 18 | 114.1 | 13,700 | 
| Minneapolis |  United States | Northstar Commuter Rail | MetroTransit – Northstar | 1 | 6 | 64 | 2,100 | 
| Nashville |  United States | Music City Star | RTA – Music City Star | 1 | 6 | 51.5 | 1,000 | 
| New Haven–New London |  United States | Shore Line East | Shore Line East | 1 | 13 | 94.5 | 1,900 | 
| New Jersey/New York Metropolitan Area |  United States | NJ Transit Rail Operations | NJ Transit | 11 | 160 | 1530 | 301,746 | 
| New York City |  United States | Long Island Rail Road (LIRR) | MTA – Long Island Rail Road | 10 | 124 | 1100 | 345,300 | 
| Metro-North Railroad | MTA – Metro-North Railroad | 6 | 120 | 617.8 | 286,100 | 
| Orlando |  United States | SunRail | SunRail | 1 | 12 | 50 | 4,300 | 
| Philadelphia |  United States | SEPTA Regional Rail | SEPTA Regional Rail | 13 | 153 | 465 | 125,300 | 
| Portland, Oregon |  United States | Westside Express Service (WES) | TriMet WES | 1 | 5 | 23.7 | 1,400 | 
| Salt Lake City/Ogden/Provo |  United States | FrontRunner | UTA FrontRunner | 1 | 16 | 142 | 13,000[21] | 
| San Diego/Oceanside |  United States | Coaster | Coaster | 1 | 8 | 66 | 4,800 | 
| San Francisco/San Jose |  United States | Caltrain | Caltrain | 1 | 32 | 124.6 | 58,250 | 
| San Jose/Stockton |  United States | Altamont Corridor Express (ACE) | ACE | 1 | 10 | 138 | 2,800 | 
| Seattle/Tacoma |  United States | Sounder commuter rail | SoundTransit | 2 | 9 | 132 | 8,600 | 
| Washington–Baltimore, Maryland/part of West Virginia |  United States | MARC | Maryland Transit Administration | 3 | 43 | 301 | 31,300 | 
| Washington–Northern Virginia |  United States | Virginia Railway Express | VRE | 2 | 18 | 145 | 19,000 |