National air transport system:
number of registered air carriers: 2
inventory of registered aircraft operated by air carriers: 35
annual passenger traffic on registered air carriers: 1,130,637
annual freight traffic on registered air carriers: 1,349,442 mt-km (2015)

Civil aircraft registration country code prefix:
S5 (2016)

Airports:
16 (2013)
country comparison to the world: 143
[see also: Airports country ranks ]

Airports - with paved runways:
total: 7
[see also: Merchant marine - total country ranks ]
[see also: Airports - with paved runways - total country ranks ]
over 3,047 m: 1
[see also: Airports - with paved runways - over 3,047 m country ranks ]
2,438 to 3,047 m: 1
[see also: Airports - with paved runways - 2,438 to 3,047 m country ranks ]
1,524 to 2,437 m: 1
[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: 3
[see also: Airports - with unpaved runways - 914 to 1,523 m country ranks ]
[see also: Airports - with paved runways - 914 to 1,523 m country ranks ]
under 914 m: 1 (2013)
[see also: Airports - with paved runways - under 914 m country ranks ]

Airports - with unpaved runways:
total: 9
[see also: Airports - with unpaved runways - total country ranks ]
1,524 to 2,437 m: 1
[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: 3
[see also: Airports - with unpaved runways - 914 to 1,523 m country ranks ]
[see also: Airports - with paved runways - 914 to 1,523 m country ranks ]
under 914 m: 5 (2013)
[see also: Airports - with unpaved runways - under 914 m country ranks ]

Pipelines:
gas 844 km; oil 5 km (2013)

Railways:
total: 1,229 km
[see also: Railways - total country ranks ]
standard gauge: 1,229 km 1.435-m gauge (503 km electrified) (2014)
country comparison to the world: 86

Roadways:
total: 38,985 km
[see also: Roadways - total country ranks ]
paved: 38,985 km (includes 769 km of expressways) (2012)
[see also: Roadways - paved country ranks ]
country comparison to the world: 91

Waterways:
(some transport on the Drava River) (2012)
[see also: Waterways country ranks ]

Merchant marine:
total: 7
[see also: Merchant marine - total country ranks ]
[see also: Airports - with paved runways - total country ranks ]
by type: other 7 (2017)
country comparison to the world: 152

Ports and terminals:
major seaport(s): Koper