| # | Flag | Country | Rail lines (total route-km)Rail lines (total route-km) | Year |
|---|---|---|---|---|
| 1 | United States | 150,966.0 | 2017 | |
| 2 | Russia | 85,545.0 | 2017 | |
| 3 | India | 67,368.0 | 2017 | |
| 4 | China | 67,278.0 | 2017 | |
| 5 | Canada | 48,150.4 | 2017 | |
| 6 | Germany | 33,488.0 | 2017 | |
| 7 | Brazil | 32,622.0 | 2007 | |
| 8 | France | 29,248.1 | 2017 | |
| 9 | Ukraine | 21,626.0 | 2017 | |
| 10 | South Africa | 20,953.0 | 2017 | |
| 11 | Poland | 18,513.0 | 2017 | |
| 12 | Argentina | 17,609.0 | 2017 | |
| 13 | Japan | 16,976.4 | 2017 | |
| 14 | Italy | 16,787.2 | 2017 | |
| 15 | United Kingdom | 16,257.0 | 2017 | |
| 16 | Kazakhstan | 16,040.3 | 2017 | |
| 17 | Spain | 15,557.0 | 2017 | |
| 18 | Mexico | 14,280.0 | 2017 | |
| 19 | Romania | 10,766.0 | 2017 | |
| 20 | Turkey | 10,207.0 | 2017 | |
| 21 | Sweden | 9,684.0 | 2017 | |
| 22 | Czech Republic | 9,408.0 | 2017 | |
| 23 | Iran | 9,021.0 | 2017 | |
| 24 | Australia | 8,829.3 | 2011 | |
| 25 | Pakistan | 7,791.0 | 2017 | |
| 26 | Hungary | 7,246.0 | 2017 | |
| 27 | Finland | 5,926.0 | 2017 | |
| 28 | Belarus | 5,459.0 | 2017 | |
| 29 | North Korea | 5,214.0 | 1999 | |
| 30 | Egypt | 5,153.0 | 2016 | |
| 31 | Cuba | 5,075.6 | 2007 | |
| 32 | Austria | 4,953.0 | 2017 | |
| 33 | Myanmar | 4,746.0 | 1999 | |
| 34 | Indonesia | 4,684.0 | 2010 | |
| 35 | Uzbekistan | 4,642.0 | 2017 | |
| 36 | Thailand | 4,458.0 | 2011 | |
| 37 | Sudan | 4,313.0 | 2014 | |
| 38 | South Korea | 4,191.7 | 2017 | |
| 39 | Norway | 4,134.0 | 2017 | |
| 40 | Switzerland | 4,035.5 | 2017 | |
| 41 | Bulgaria | 4,030.0 | 2017 | |
| 42 | Algeria | 4,016.3 | 2017 | |
| 43 | New Zealand | 3,908.0 | 1998 | |
| 44 | Turkmenistan | 3,840.0 | 2017 | |
| 45 | Serbia | 3,736.0 | 2017 | |
| 46 | Democratic Republic Of Congo | 3,641.0 | 2017 | |
| 47 | Slovakia | 3,626.4 | 2017 | |
| 48 | Belgium | 3,602.0 | 2016 | |
| 49 | Nigeria | 3,528.0 | 2005 | |
| 50 | Mozambique | 3,116.0 | 2011 | |
| 51 | Netherlands | 3,016.0 | 2010 | |
| 52 | Bangladesh | 2,835.0 | 2010 | |
| 53 | Tanzania | 2,701.0 | 2017 | |
| 54 | Croatia | 2,605.0 | 2017 | |
| 55 | Zimbabwe | 2,583.0 | 2007 | |
| 56 | Portugal | 2,546.0 | 2017 | |
| 57 | Iraq | 2,370.0 | 2014 | |
| 58 | Vietnam | 2,367.0 | 2017 | |
| 59 | Malaysia | 2,250.3 | 2011 | |
| 60 | Greece | 2,240.0 | 2017 | |
| 61 | Tunisia | 2,165.0 | 2017 | |
| 62 | Syria | 2,139.0 | 2010 | |
| 63 | Azerbaijan | 2,132.0 | 2017 | |
| 64 | Denmark | 2,131.0 | 2009 | |
| 65 | Chile | 2,120.0 | 2005 | |
| 66 | Morocco | 2,109.0 | 2017 | |
| 67 | Kenya | 1,917.0 | 2004 | |
| 68 | Lithuania | 1,911.0 | 2017 | |
| 69 | Republic of Ireland | 1,888.0 | 2017 | |
| 70 | Latvia | 1,859.6 | 2017 | |
| 71 | Mongolia | 1,810.0 | 2017 | |
| 72 | Peru | 1,639.0 | 1998 | |
| 73 | Sri Lanka | 1,561.7 | 2016 | |
| 74 | Uruguay | 1,498.0 | 2017 | |
| 75 | Israel | 1,495.0 | 2017 | |
| 76 | Saudi Arabia | 1,412.0 | 2010 | |
| 77 | Georgia | 1,285.0 | 2017 | |
| 78 | Zambia | 1,273.0 | 1999 | |
| 79 | Bolivia | 1,244.0 | 2006 | |
| 80 | Slovenia | 1,209.0 | 2017 | |
| 81 | Moldova | 1,151.0 | 2017 | |
| 82 | Estonia | 1,033.0 | 2017 | |
| 83 | Bosnia and Herzegovina | 1,018.1 | 2017 | |
| 84 | Cameroon | 1,010.0 | 2017 | |
| 85 | Ecuador | 956.0 | 2000 | |
| 86 | Ghana | 953.0 | 2006 | |
| 87 | Senegal | 906.0 | 2004 | |
| 88 | Republic of the Congo | 893.2 | 2012 | |
| 89 | Botswana | 886.0 | 2016 | |
| 90 | Costa Rica | 848.0 | 2001 | |
| 91 | Gabon | 810.0 | 2017 | |
| 92 | Malawi | 797.0 | 2007 | |
| 93 | Djibouti | 781.0 | 2003 | |
| 94 | Benin | 758.0 | 2006 | |
| 95 | Mali | 733.0 | 2002 | |
| 96 | Mauritania | 728.0 | 2010 | |
| 97 | Armenia | 685.7 | 2017 | |
| 98 | Republic of Macedonia | 683.0 | 2017 | |
| 99 | Madagascar | 673.0 | 2014 | |
| 100 | Cambodia | 650.0 | 2004 | |
| 101 | Ivory Coast | 639.0 | 2017 | |
| 102 | Tajikistan | 620.0 | 2017 | |
| 103 | El Salvador | 547.0 | 2003 | |
| 104 | Burkina Faso | 518.0 | 2017 | |
| 105 | Philippines | 509.0 | 2016 | |
| 106 | Panama | 485.0 | 2000 | |
| 107 | Paraguay | 441.0 | 2000 | |
| 108 | Kyrgyzstan | 424.0 | 2017 | |
| 109 | Albania | 423.0 | 2009 | |
| 110 | Lebanon | 401.0 | 2002 | |
| 111 | Venezuela | 336.0 | 2006 | |
| 112 | Guatemala | 322.0 | 2005 | |
| 113 | Swaziland | 300.0 | 2011 | |
| 114 | Jordan | 293.0 | 2017 | |
| 115 | Luxembourg | 275.0 | 2017 | |
| 116 | Uganda | 259.0 | 2002 | |
| 117 | Montenegro | 249.0 | 2017 | |
| 118 | Hong Kong | 113.0 | 2005 |