Rail lines fell 2.11% to 4,111 km in South Korea in 2019, according to the National Statistical Office.
Historically, rail lines in South Korea reached an all time high of 4,200 km in 2018 and an all time low of 3,091 km in 1990.
South Korea has been ranked 16th within the group of 37 countries we follow in terms of rail lines, 31 places above the position seen 10 years ago.
| Rail Lines (km) | Unit | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| Cambodia | km | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | |||||||
| China | km | 66,585 | 66,989 | 67,212 | 83,717 | 67,278 | ||||||||||||||||
| Dem. People's Republic of Korea | km | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | |
| India | km | 65,436 | 65,808 | 66,030 | 66,687 | 67,368 | ||||||||||||||||
| Japan | km | 19,436 | 16,703 | 16,704 | 15,108 | 19,249 | ... | |||||||||||||||
| Laos | km | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Russia | km | 85,266 | 85,266 | 85,262 | 85,375 | 85,545 | ||||||||||||||||
| South Korea | km | 3,666 | 3,668 | 3,944 | 4,071 | 4,192 | ||||||||||||||||
| Thailand | km | ... | ... | 5,327 | 5,327 | 3,742 | 3,742 | 4,092 | ... | ... | ||||||||||||
| USA | km | 154,322 | 152,933 | 151,735 | 151,270 | 150,966 | ... | |||||||||||||||
| Vietnam | km | 2,347 | 3,186 | 3,186 | 2,581 | 2,367 |
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