Trains are one of the crucial part in transportation, uses to take goods and passenger to other places. A railway varies depending on industries and passenger demand. USA is one of the largest countries and improved in industries, there are hundreds of thousands of small and large scale industries and some of them needs railways to transport their goods and import crude, indeed United States of America has around 224, 792 kilometers of rail track around the country as estimated in 2007. Russia, China and India are in second, third and fourth place respectively. The main purpose of Railways for Passengers and transport heavy goods, there are many types of trains and tracks designed to meet transportation categories. The following Railways mentioned total length of Railways that analyzed officially in the given particular years.
| Rank | country | (km) | Date of Information |
|---|---|---|---|
| 1 | United States | 224,792 | 2007 |
| 2 | Russia | 87,157 | 2006 |
| 3 | China | 86,000 | 2008 |
| 4 | India | 63,974 | 2009 |
| 5 | Canada | 46,552 | 2008 |
| 6 | Germany | 41,981 | 2008 |
| 7 | Australia | 38,445 | 2008 |
| 8 | Argentina | 36,966 | 2008 |
| 9 | France | 29,640 | 2008 |
| 10 | Brazil | 28,538 | 2008 |
| 11 | Japan | 27,182 | 2009 |
| 12 | Ukraine | 21,684 | 2009 |
| 13 | Italy | 20,255 | 2008 |
| 14 | South Africa | 20,192 | 2008 |
| 15 | Poland | 19,428 | 2007 |
| 16 | Mexico | 17,166 | 2008 |
| 17 | United Kingdom | 16,454 | 2008 |
| 18 | Spain | 15,293 | 2008 |
| 19 | Kazakhstan | 15,079 | 2008 |
| 20 | Sweden | 11,633 | 2008 |
| 21 | Romania | 10,785 | 2010 |
| 22 | Czech Republic | 9,469 | 2008 |
| 23 | Turkey | 8,699 | 2008 |
| 24 | Cuba | 8,598 | 2006 |
| 25 | Iran | 8,442 | 2008 |
| 26 | Hungary | 8,057 | 2009 |
| 27 | Pakistan | 7,791 | 2007 |
| 28 | Chile | 7,082 | 2008 |
| 29 | Austria | 6,399 | 2008 |
| 30 | Sudan | 5,978 | 2008 |