Port Traffic


Central Statistics Office (CSO)

Key information

Arrivals of vessels and gross tonnage classified by type of vessel and by vessel size class; tonnage of goods received and forwarded by category of traffic and region of trade; details of roll-on/roll-off and lift-on/lift-off traffic received and forwarded; livestock received and exported by region of trade. Most tables are also broken down by port.

A Methods and Quality Report is available for this statistic.


The CSO Maritime Survey of Statistics of Port Traffic, which compiles returns made by Scheduled Harbour Authorities, State companies, and a number of other harbours.


The activity of trading vessels, car ferries and other passenger vessels is covered. Excluded are fish-catching/fish-processing vessels, vessels for drilling and exploration, tugs/pusher craft, research/survey vessels, dredgers, naval vessels, and vessels used solely for non-commercial purposes.



Reference period

Calendar year

Start date



6 months after the end of the reference period


  • Vessel traffic category
    Roll-on/roll-off; Lift-on/lift-off; Liquid bulk; Dry bulk; Break bulk & other goods.
  • Vessel type
    Liquid bulk; Dry bulk; Container; Specialised; General; Passenger;.
  • Vessel size class
    100-4,999 gross tonnage; 5,000-7,999; 8,000-19,999; 20,000-39,999; 40,000-79,999; Greater than or equal to 80,000 gross tonnage.
  • Vessel roll-on/roll-off traffic
    Passenger cars, motorcycles and accompanying trailers/caravans; Passenger buses; Trade vehicles; Freight vehicles/trailers.
  • Port
    Arklow Port; Bantry Bay; Castletownbere; Cork; Drogheda; Dublin; Dundalk; Dun Laoghaire; Galway; Greenore; Killybegs; Kilrush; Kinsale; New Ross; Rosslare; Shannon Foynes; Sligo; Tralee Fenit; Waterford; Wicklow; Youghal.
  • Region of trade
    Great Britain & Northern Ireland; Other EU; Non-EU; Other ports; Coastal trade.


Business Sectors - Transport

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