| Number of railways | Country | What continent |
| 226,427 | |
| 87,157 | |
| 77,834 | |
| 63,327 | |
| 46,688 | |
| 41,896 | |
| 37,855 | |
| 31,409 | |
| 29,213 | |
| 28,857 | |
| 23,506 | |
| 22,314 | |
| 21,655 | |
| 20,872 | |
| 19,729 | |
| 17,516 | |
| 16,456 | |
| 15,288 | |
| 13,700 | |
| 11,633 | |
| 10,788 | |
| 9,620 | |
| 8,697 | |
| 8,598 | |
| 8,529 | |
| | Number of railways | Country | What continent |
| 8,442 | |
| 8,057 | |
| 7,791 | |
| 6,399 | |
| 5,978 | |
| 5,794 | |
| 5,538 | |
| 5,481 | |
| 5,235 | |
| 5,063 | |
| 4,888 | |
| 4,787 | |
| 4,294 | |
| 4,128 | |
| 4,114 | |
| 4,071 | |
| 4,007 | |
| 3,973 | |
| 3,955 | |
| 3,802 | |
| 3,689 | |
| 3,645 | |
| 3,622 | |
| 3,505 | |
| 3,505 | |
|