National air transport system:
number of registered air carriers: 4
inventory of registered aircraft operated by air carriers: 10
annual passenger traffic on registered air carriers: 1,103,880
annual freight traffic on registered air carriers: 2,301,260 mt-km (2015)

Civil aircraft registration country code prefix:
XU (2016)

Airports:
16 (2013)
country comparison to the world: 142
[see also: Airports country ranks ]

Airports - with paved runways:
total: 6
[see also: Airports - with paved runways - total country ranks ]
2,438 to 3,047 m: 3
[see also: Airports - with paved runways - 2,438 to 3,047 m country ranks ]
1,524 to 2,437 m: 2
[see also: Airports - with unpaved runways - 1,524 to 2,437 m country ranks ]
[see also: Airports - with paved runways - 1,524 to 2,437 m country ranks ]
914 to 1,523 m: 1 (2017)
[see also: Airports - with paved runways - 914 to 1,523 m country ranks ]

Airports - with unpaved runways:
total: 10
[see also: Airports - with unpaved runways - total country ranks ]
1,524 to 2,437 m: 2
[see also: Airports - with unpaved runways - 1,524 to 2,437 m country ranks ]
[see also: Airports - with paved runways - 1,524 to 2,437 m country ranks ]
914 to 1,523 m: 7
[see also: Airports - with unpaved runways - 914 to 1,523 m country ranks ]
under 914 m: 1 (2013)
[see also: Airports - with unpaved runways - under 914 m country ranks ]

Heliports:
1 (2013)
[see also: Heliports country ranks ]

Railways:
total: 642 km
[see also: Railways - total country ranks ]
narrow gauge: 642 km 1.000-m gauge
note: under restoration (2014)
country comparison to the world: 108

Roadways:
total: 44,709 km
[see also: Roadways - total country ranks ]
paved: 3,607 km
[see also: Roadways - paved country ranks ]
unpaved: 41,102 km (2010)
[see also: Roadways - unpaved country ranks ]
country comparison to the world: 80

Waterways:
3,700 km (mainly on Mekong River) (2012)
country comparison to the world: 28
[see also: Waterways country ranks ]

Merchant marine:
total: 442
[see also: Merchant marine - total country ranks ]
by type: container ship 3, general cargo 328, oil tanker 26, other 85 (2017)
country comparison to the world: 43

Ports and terminals:
major seaport(s): Sihanoukville (Kampong Saom)
river port(s): Phnom Penh (Mekong)