total: 102,062 km paved: 90,417 km (includes 3,103 km of expressways) unpaved: 11,645 km (2006)

Waterways:

1,608 km (most navigable only by small craft) (2007)

Merchant marine:

total: 812 by type: bulk carrier 212, cargo 226, carrier 2, chemical tanker 133, container 80, liquefied gas 33, passenger 5, passenger/cargo 26, petroleum tanker 61, refrigerated cargo 16, roll on/roll off 9, specialized tanker 4, vehicle carrier 5 foreign-owned: 31 (China 1, Japan 20, Norway 2, UK 1, US 7) registered in other countries: 363 (Belize 1, Cambodia 22, China 1, Cyprus 1, Honduras 6, Hong Kong 3, Kiribati 2, Liberia 3, Malta 2, Marshall Islands 10, Mongolia 1, Netherlands 1, Panama 303, Russia 1, Singapore 3, Tuvalu 1, unknown 2) (2008)

Ports and terminals:

Inch'on, P'ohang, Pusan, Ulsan

Military
Korea, South

Military branches:

Republic of Korea Army, Navy (includes Marine Corps), Air Force (2008)