|Number of passengers handled by main Irish airports|
|January to December||32,741,227||34,439,299||+5.2|
In 2017, 34.4 million passengers passed through the main Irish airports, an increase of 5.2% over the previous year. See table 1.
In the fourth quarter of 2017, almost 7.9 million passengers passed through the main Irish airports, an increase of 4.8% over the same period in 2016.
Passenger numbers increased in 2017 in Cork, Donegal, Dublin, Kerry and Knock airports, while passenger numbers decreased in Shannon, Connemara and Inishmore airports, when compared with 2016. The five main airports accounted for 99.8% of all air passenger numbers while Dublin airport accounted for 85.3% of all air passengers carried in 2017. See table 2.