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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Republic of Korea | 3,123 | 3,392 | 3,618 | 3,637 | 3,650 | 3,666 | 3,668 | 3,944 | 4,071 | 4,071 | 4,200 | 4,109 | 4,285 | 4,309 |
| Austria | 5,665 | 5,782 | 5,351 | 4,917 | 4,985 | 4,950 | 4,956 | 4,937 | 4,917 | 4,953 | 4,955 | 4,968 | 4,966 | 4,962 |
| Estonia | 968 | 959 | 787 | 792 | 792 | 1,018 | 1,034 | 1,034 | 1,033 | |||||
| Japan | 20,140 | 20,087 | ||||||||||||
| Finland | 5,854 | 5,732 | 5,919 | 5,944 | 5,944 | 5,944 | 5,944 | 5,923 | 5,926 | 5,926 | 5,926 | 5,923 | 5,918 | 5,918 |
| Greece | 2,385 | 2,576 | 2,552 | 2,554 | 2,208 | 2,265 | 2,238 | 2,240 | 2,240 | 2,240 | 2,293 | 2,280 | 2,345 | 2,339 |
| Ireland | 1,919 | 1,919 | 1,919 | 1,919 | 1,919 | 1,894 | 1,458 | 1,458 | 2,174 | 1,888 | 1,888 | 1,888 | 1,888 | 1,650 |
| Netherlands | 2,802 | 2,813 | 3,016 | 3,078 | 3,078 | 3,078 | 3,041 | |||||||
| Portugal | 2,814 | 2,839 | 2,842 | 2,794 | 2,541 | 2,544 | 2,546 | 2,546 | 2,546 | 2,546 | 2,546 | 2,526 | 2,526 | 2,527 |
| Slovenia | 1,201 | 1,228 | 1,228 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 | 1,209 |
| Spain | 13,868 | 14,272 | 15,590 | 15,681 | 15,438 | 15,582 | 15,506 | 15,711 | 15,650 | 15,559 | 15,618 | 15,718 | 15,848 | 15,963 |
| Turkey | 8,671 | 8,697 | 9,594 | 9,642 | 9,642 | 9,718 | 10,087 | 10,131 | 10,131 | 10,207 | 10,315 | 10,378 | 10,378 | 10,546 |
| Belgium | 3,471 | 3,544 | 3,582 | 3,592 | 3,631 | 3,607 | 3,602 | 3,605 | 3,607 | 3,615 | 3,615 | 3,612 | ||
| Denmark | 2,047 | 2,134 | ||||||||||||
| France | 29,330 | 28,470 | 29,929 | 30,071 | 29,406 | 29,979 | 28,866 | 29,237 | 29,248 | 28,241 | 28,157 | 27,872 | 27,716 | |
| Chile | 2,035 | 2,120 | 2,057 | 2,396 | 2,396 | 2,396 | 2,396 | |||||||
| Hungary | 8,005 | 7,950 | 7,903 | 7,878 | 7,895 | 7,895 | 7,895 | 7,896 | 7,749 | 7,752 | 7,588 | 7,588 | 7,588 | 8,037 |
| Italy | 16,295 | 16,751 | 16,704 | 16,726 | 16,742 | 16,752 | 16,723 | 16,724 | 16,788 | 16,787 | 16,781 | 16,779 | 17,256 | 17,305 |
| Poland | 22,560 | 19,599 | 19,702 | 19,725 | 19,617 | 18,959 | 18,942 | 18,510 | 18,429 | 18,513 | 18,536 | 18,538 | 18,611 | 18,620 |
| Sweden | 10,698 | 9,867 | 9,968 | 10,014 | 9,944 | 9,765 | 9,689 | 9,716 | 9,684 | 9,684 | 9,708 | 9,701 | 9,711 | 9,714 |
| Switzerland | 3,216 | 3,399 | 3,574 | 3,551 | 3,558 | 3,611 | 4,019 | 3,976 | 4,034 | 4,051 | 4,047 | 3,647 | 3,672 | 4,122 |
| United Kingdom | 16,992 | 15,888 | 16,210 | 15,847 | 15,861 | 16,532 | 16,245 | 16,257 | 16,294 | 16,295 | 16,295 | 16,351 | 16,179 | |
| Israel | 669 | 910 | 1,034 | 1,079 | 1,143 | 1,153 | 1,194 | 1,277 | 1,340 | 1,495 | 1,521 | 1,599 | 1,619 | 1,720 |
| Canada | 46,969 | 45,582 | 48,498 | 48,150 | 47,687 | 47,987 | 48,309 | 48,150 | ||||||
| United States of America | 1,94,077 | 1,94,025 | 1,94,431 | 1,94,136 | 1,53,517 | 1,54,322 | 1,52,933 | 1,51,735 | 1,51,270 | 1,50,966 | 1,50,462 | 1,49,489 | 1,48,750 | 1,48,553 |
| Germany | 36,642 | 34,228 | 33,714 | 33,576 | 33,506 | 33,449 | 33,426 | 33,332 | 33,380 | 33,488 | 33,440 | 33,423 | 33,399 | 33,401 |
| Czech Republic | 9,365 | 9,513 | 9,469 | 9,470 | 9,468 | 9,459 | 9,458 | 9,467 | 9,463 | 9,408 | 9,406 | 9,396 | 9,377 | 9,357 |
| Slovakia | 3,662 | 3,626 | 3,622 | 3,624 | 3,631 | 3,631 | 3,627 | 3,626 | 3,626 | 3,626 | 3,627 | 3,629 | 3,627 | 3,626 |
| Luxembourg | 274 | 275 | 275 | 275 | 275 | 275 | 275 | 275 | 275 | 275 | 288 | 288 | 271 | 271 |
| Norway | 4,179 | 4,087 | 4,154 | 4,219 | 4,209 | 4,209 | 4,208 | 4,200 | 3,885 | 3,885 |