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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Portugal | 2.814,0 | 2.839,0 | 2.842,0 | 2.794,0 | 2.541,3 | 2.544,3 | 2.546,0 | 2.546,0 | 2.546,0 | 2.546,0 | 2.546,0 | 2.526,1 | 2.526,1 | 2.527,1 |
| Espanha | 13.868,0 | 14.272,0 | 15.590,1 | 15.680,6 | 15.438,0 | 15.582,0 | 15.506,0 | 15.711,0 | 15.650,0 | 15.559,0 | 15.618,0 | 15.718,0 | 15.848,0 | 15.963,0 |
| Chile | 2.035,0 | 2.120,0 | 2.057,0 | 2.396,0 | 2.396,0 | 2.396,0 | 2.396,0 | |||||||
| Argentina | 3.150,0 | 18.097,0 | 18.097,0 | 17.609,0 | 17.609,0 | 17.866,0 | 17.866,0 | |||||||
| Uruguai | 2.993,0 | 2.993,0 | 1.498,0 | 1.498,0 | 1.498,0 | 1.498,0 | 1.498,0 | 1.498,0 | 1.498,0 | 1.498,0 | ||||
| Costa Rica | 581,0 | |||||||||||||
| Cuba | 4.252,0 | 4.065,0 | ||||||||||||
| Venezuela (República Bolivariana da) | 336,0 | 336,0 | ||||||||||||
| Guatemala | 903,0 | |||||||||||||
| Equador | 956,0 | |||||||||||||
| El Salvador | 547,0 | |||||||||||||
| Panamá | 485,0 | |||||||||||||
| Paraguai | 441,0 |