Airports:
55 (2010)
country comparison to the world: 85
[see also: Airports country ranks ]

Airports - with paved runways:
total: 17
[see also: Airports - with paved runways - total country ranks ]
over 3,047 m: 4
2,438 to 3,047 m: 9
1,524 to 2,437 m: 3
914 to 1,523 m: 1 (2010)

Airports - with unpaved runways:
total: 38
[see also: Airports - with unpaved runways - total country ranks ]
over 3,047 m: 3
2,438 to 3,047 m: 5
1,524 to 2,437 m: 6
914 to 1,523 m: 14
under 914 m: 10 (2010)

Pipelines:
gas 423 km; liquid petroleum gas 22 km; oil 1,367 km (2009)
[see also: Pipelines country ranks ]

Roadways:
total: 71,300 km
country comparison to the world: 67
paved: 6,200 km
unpaved: 65,100 km (2005)
[see also: Roadways country ranks ]

Merchant marine:
total: 6
country comparison to the world: 129
by type: cargo 1, chemical tanker 2, petroleum tanker 2, roll on/roll off 1
registered in other countries: 14 (Moldova 1, Panama 4, Saint Kitts and Nevis 1, Sierra Leone 2, unknown 6) (2010)
[see also: Merchant marine country ranks ]

Ports and terminals:
Aden, Al Hudaydah, Al Mukalla

Transportation - note:
the International Maritime Bureau reports offshore waters in the Gulf of Aden are high risk for piracy; numerous vessels, including commercial shipping and pleasure craft, have been attacked and hijacked both at anchor and while underway; crew, passengers, and cargo are held for ransom