Airports:
116 (2010)
country comparison to the world: 53
[see also: Airports country ranks ]

Airports - with paved runways:
total: 72
[see also: Airports - with paved runways - total country ranks ]
over 3,047 m: 4
2,438 to 3,047 m: 21
1,524 to 2,437 m: 13
914 to 1,523 m: 12
under 914 m: 22 (2010)

Airports - with unpaved runways:
total: 44
[see also: Airports - with unpaved runways - total country ranks ]
914 to 1,523 m: 2
under 914 m: 42 (2010)

Heliports:
510 (2010)
[see also: Heliports country ranks ]

Pipelines:
gas 1,423 km; refined products 827 km (2009)
[see also: Pipelines country ranks ]

Railways:
total: 3,381 km
country comparison to the world: 51
standard gauge: 3,381 km 1.435-m gauge (1,843 km electrified) (2008)
[see also: Railways country ranks ]

Roadways:
total: 103,029 km
country comparison to the world: 41
paved: 80,642 km (includes 3,367 km of expressways)
unpaved: 22,387 km (2008)
[see also: Roadways country ranks ]

Waterways:
1,608 km; (most navigable only by small craft) (2010)
country comparison to the world: 50
[see also: Waterways country ranks ]

Merchant marine:
total: 819
country comparison to the world: 14
by type: bulk carrier 201, cargo 246, carrier 5, chemical tanker 132, container 69, liquefied gas 40, passenger 5, passenger/cargo 21, petroleum tanker 67, refrigerated cargo 15, roll on/roll off 9, vehicle carrier 9
foreign-owned: 33 (China 9, France 1, Japan 15, US 8)
registered in other countries: 438 (Cambodia 11, Ghana 1, Honduras 6, Hong Kong 3, Indonesia 1, Kiribati 2, Liberia 1, Malta 3, Marshall Islands 25, North Korea 1, Panama 366, Philippines 1, Russia 1, Singapore 9, Tuvalu 1, unknown 6) (2010)
[see also: Merchant marine country ranks ]

Ports and terminals:
Inch'on, P'ohang, Pusan, Ulsan, Yosu