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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Camboja | 601,0 | |||||||||||||
| 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 | 102.462,0 | 106.235,0 | 109.767,0 |
| Hong Kong | 113,0 | 230,1 | ||||||||||||
| Indonésia | 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 | ||||
| Japão | 20.140,3 | 20.087,4 | ||||||||||||
| Coreia do Sul | 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 |
| Malásia | 1.636,0 | 1.667,0 | 2.209,7 | 2.250,3 | 2.773,0 | 1.655,0 | 1.655,0 | 1.655,0 | 1.655,0 | |||||
| Mongólia | 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 |
| Filipinas | 509,0 | 509,0 | ||||||||||||
| Tailândia | 4.044,0 | 4.458,0 | 4.458,0 | 3.742,0 | 3.742,0 | 4.092,0 | ||||||||
| Vietnam | 3.142,0 | 3.147,0 | 2.576,6 | 2.347,0 | 2.347,0 | 2.347,0 | 3.186,0 | 3.186,0 | 2.581,0 | 2.367,0 | 2.382,0 | 2.481,0 | 3.159,0 | 3.159,0 |
| Armênia | 843,0 | 826,1 | 703,2 | 703,2 | 679,4 | 685,7 | 698,4 | 698,4 | 698,4 | 698,4 | ||||
| Azerbaijão | 2.116,0 | 2.122,0 | 2.079,1 | 2.079,3 | 2.068,1 | 2.068,1 | 2.066,4 | 2.067,8 | 2.074,0 | 2.132,0 | 2.133,1 | 2.139,9 | 2.239,2 | 2.138,9 |
| Geórgia | 1.562,0 | 1.336,0 | 1.566,4 | 1.262,2 | 1.577,6 | 1.453,4 | 1.453,4 | 1.491,0 | 1.415,0 | 1.285,0 | 1.285,0 | 1.378,0 | 1.411,0 | 1.387,0 |
| Cazaquistão | 13.545,0 | 14.204,0 | 14.184,1 | 14.319,4 | 14.758,9 | 14.767,1 | 14.767,1 | 14.767,1 | 15.529,0 | 16.040,3 | 16.060,8 | 16.060,8 | 16.063,0 | 16.005,6 |
| Quirquistão | 417,0 | 417,0 | 417,2 | 417,2 | 417,2 | 417,0 | 424,0 | 424,0 | 424,0 | 424,0 | 424,0 | 424,0 | 424,0 | 417,0 |
| Tadjiquistão | 533,0 | 617,0 | 620,7 | 620,7 | 608,0 | 587,0 | 597,0 | 597,0 | 620,0 | 620,0 | 620,0 | 620,0 | 662,0 | 620,0 |
| Turcomenistão | 2.521,0 | 2.529,0 | 3.115,0 | 3.115,0 | 3.115,0 | 3.115,0 | 3.115,0 | 6.230,0 | 6.230,0 | 7.680,0 | 7.680,0 | |||
| Uzbequistão | 3.645,0 | 4.014,0 | 4.227,2 | 4.258,4 | 4.192,0 | 4.186,0 | 4.202,0 | 4.238,0 | 4.304,0 | 4.642,0 | 4.642,0 | 4.735,0 | 4.732,0 | 4.732,0 |
| Bangladesh | 2.745,0 | 2.855,0 | 2.835,0 | 2.791,0 | 2.877,0 | 2.877,0 | 2.791,0 | 2.877,0 | 2.877,0 | 2.877,0 | 2.877,0 | 2.877,0 | ||
| Índia | 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 |
| Paquistão | 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 |