Rail lines are the length of railway route available for train service, irrespective of the number of parallel tracks.
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| China | 58,656.0 | 62,200.0 | 66,239.0 | 72,487.0 | 85,843.0 | 79,306.0 | 85,320.0 | 89,966.0 | 91,675.0 | 93,742.0 | 96,353.0 | 1,02,462.0 | 1,06,235.0 | 1,09,767.0 |
| Indonesia | 4,684.0 | 4,828.0 | 4,861.0 | 5,107.0 | 5,196.0 | 5,357.0 | 5,384.0 | 4,748.7 | 5,483.3 | 5,483.0 | ||||
| Republic of Korea | 3,123.0 | 3,392.0 | 3,618.3 | 3,637.2 | 3,650.1 | 3,666.1 | 3,668.3 | 3,944.0 | 4,071.0 | 4,071.0 | 4,200.0 | 4,109.2 | 4,284.7 | 4,308.5 |
| Mongolia | 1,810.0 | 1,810.0 | 1,814.0 | 1,815.0 | 1,810.0 | 1,810.0 | 1,822.5 | 1,810.0 | 1,810.0 | 1,810.0 | 1,810.0 | 1,814.0 | 1,821.0 | 1,821.0 |
| Turkey | 8,671.0 | 8,697.0 | 9,594.0 | 9,642.0 | 9,642.0 | 9,718.0 | 10,087.0 | 10,131.0 | 10,131.0 | 10,207.0 | 10,315.0 | 10,378.0 | 10,378.0 | 10,546.0 |
| Cuba | 4,252.0 | 4,065.0 | ||||||||||||
| Pakistan | 7,791.0 | 7,791.0 | 7,791.0 | 7,791.0 | 7,791.0 | 7,791.0 | 7,784.0 | 7,791.0 | 7,791.0 | 7,791.0 | 7,791.0 | 7,791.0 | ||
| Sri Lanka | 1,148.3 | 1,148.1 | 1,254.2 | 1,567.0 | 1,561.7 | 1,562.0 | 1,562.0 | 1,562.0 | ||||||
| Democratic Republic of the Congo | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 | 3,641.0 |
| United Republic of Tanzania | 4,582.0 | 2,707.0 | 2,701.0 | |||||||||||
| Zimbabwe | 3,120.0 | 3,120.0 | 3,120.0 | |||||||||||
| India | 62,759.0 | 63,485.0 | 63,974.0 | 64,460.0 | 64,600.0 | 65,436.0 | 65,808.0 | 66,030.0 | 66,687.0 | 67,368.0 | 69,249.0 | 67,414.1 | 67,955.6 | 68,102.7 |
| Kenya | 2,634.0 | |||||||||||||
| Nigeria | 3,557.0 | 3,528.0 | 3,528.0 | 3,528.0 | 3,528.0 | 3,528.0 | 3,528.0 | 3,528.0 | ||||||
| Senegal | 906.0 | |||||||||||||
| Uganda | 259.0 | |||||||||||||
| Zambia | 1,248.0 | 1,248.0 | 1,248.0 | |||||||||||
| Philippines | 509.0 | 509.0 | ||||||||||||
| Venezuela (Bolivarian Republic of) | 336.0 | 336.0 | ||||||||||||
| Mozambique | 3,114.0 | 3,070.0 | 3,116.0 | 3,116.0 | ||||||||||
| Botswana | 886.0 | 886.0 | 886.0 | 886.0 | 886.0 | 886.0 | 886.0 | |||||||
| Madagascar | 883.0 | 673.0 | 673.0 | 673.0 | 673.0 | 673.0 | 673.0 | 673.0 | 673.0 | 673.0 | 673.0 | |||
| Guatemala | 903.0 | |||||||||||||
| Panama | 485.0 |