National air transport system:
number of registered air carriers: 6
inventory of registered aircraft operated by air carriers: 431
annual passenger traffic on registered air carriers: 113,144,501
annual freight traffic on registered air carriers: 138.58 million mt-km (2015)

Civil aircraft registration country code prefix:
EI (2016)

Airports:
40 (2013)
country comparison to the world: 105
[see also: Airports country ranks ]

Airports - with paved runways:
total: 16
[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 unpaved runways - 2,438 to 3,047 m country ranks ]
[see also: Airports - with paved runways - 2,438 to 3,047 m country ranks ]
1,524 to 2,437 m: 4
[see also: Airports - with paved runways - 1,524 to 2,437 m country ranks ]
914 to 1,523 m: 5
[see also: Airports - with paved runways - 914 to 1,523 m country ranks ]
under 914 m: 5 (2017)
[see also: Airports - with paved runways - under 914 m country ranks ]

Airports - with unpaved runways:
total: 24
[see also: Airports - with unpaved runways - total country ranks ]
2,438 to 3,047 m: 1
[see also: Airports - with unpaved runways - 2,438 to 3,047 m country ranks ]
[see also: Airports - with paved runways - 2,438 to 3,047 m country ranks ]
914 to 1,523 m: 2
[see also: Airports - with unpaved runways - 914 to 1,523 m country ranks ]
under 914 m: 21 (2013)
[see also: Airports - with unpaved runways - under 914 m country ranks ]

Pipelines:
gas 2,147 km (2013)

Railways:
total: 3,237 km
[see also: Railways - total country ranks ]
broad gauge: 1,872 km 1.600-m gauge (49 km electrified)
narrow gauge: 1,365 km 0.914-m gauge (operated by the Irish Peat Board to transport peat to power stations and briquetting plants) (2014)
country comparison to the world: 57

Roadways:
total: 96,036 km
[see also: Roadways - total country ranks ]
paved: 96,036 km (includes 1,224 km of expressways) (2014)
[see also: Roadways - paved country ranks ]
country comparison to the world: 51

Waterways:
956 km (pleasure craft only) (2010)
country comparison to the world: 67
[see also: Waterways country ranks ]

Merchant marine:
total: 83
[see also: Merchant marine - total country ranks ]
by type: bulk carrier 9, general cargo 28, oil tanker 1, other 45 (2017)
country comparison to the world: 91

Ports and terminals:
major seaport(s): Dublin, Shannon Foynes
river port(s): Cork (Lee), Waterford (Suir)
container port(s) (TEUs): Dublin (1,931,001)