National air transport system:
number of registered air carriers: 7
inventory of registered aircraft operated by air carriers: 117
annual passenger traffic on registered air carriers: 11,193,023
annual freight traffic on registered air carriers: 1,464,316,900 mt-km (2015)

Civil aircraft registration country code prefix:
OO (2016)

Airports:
41 (2013)
country comparison to the world: 102
[see also: Airports country ranks ]

Airports - with paved runways:
total: 26
[see also: Airports - with paved runways - total country ranks ]
over 3,047 m: 6
[see also: Airports - with paved runways - over 3,047 m country ranks ]
2,438 to 3,047 m: 9
[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 paved runways - 1,524 to 2,437 m country ranks ]
914 to 1,523 m: 1
[see also: Airports - with paved runways - 914 to 1,523 m country ranks ]
under 914 m: 8 (2017)
[see also: Airports - with paved runways - under 914 m country ranks ]

Airports - with unpaved runways:
total: 15
[see also: Airports - with unpaved runways - total country ranks ]
under 914 m: 15 (2013)
[see also: Airports - with unpaved runways - under 914 m country ranks ]

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

Pipelines:
gas 3,139 km; oil 154 km; refined products 535 km (2013)

Railways:
total: 3,592 km
[see also: Railways - total country ranks ]
standard gauge: 3,592 km 1.435-m gauge (2,960 km electrified) (2014)
country comparison to the world: 53

Roadways:
total: 154,012 km
[see also: Roadways - total country ranks ]
paved: 120,514 km (includes 1,756 km of expressways)
[see also: Roadways - paved country ranks ]
unpaved: 33,498 km (2010)
[see also: Roadways - unpaved country ranks ]
country comparison to the world: 33

Waterways:
2,043 km (1,528 km in regular commercial use) (2012)
country comparison to the world: 41
[see also: Waterways country ranks ]

Merchant marine:
total: 185
[see also: Merchant marine - total country ranks ]
by type: bulk carrier 15, general cargo 15, oil tanker 20, other 135 (2017)
country comparison to the world: 65

Ports and terminals:
major seaport(s): Oostende, Zeebrugge
river port(s): Antwerp, Gent (Schelde River); Brussels (Senne River); Liege (Meuse River)
container port(s) (TEUs): Antwerp (9,654,000), Zeebrugge (1,569,000) (2015)
LNG terminal(s) (import): Zeebrugge