There were almost seven million trips to Ireland in 2013, according to the Central Statistics Office, representing a 7.2% increase on figures from the previous year.
A total of 6,985,900 trips were made to Ireland during last year, according to the CSO, compared to more than 6.5 million in 2012.
Almost 42% of the trips – 2.93 million – were made by residents of Britain. This represents a 5.5% increase on the number of trips from the country in 2012.
Trips by residents of other European countries also rose last year, growing by almost 5% to 2.46 million.
Meanwhile, trips by North American residents was nearly 13.9% higher than in 2012, with almost 1.16 million people coming to the country from the region last year.
Almost 436,000 were made by residents of other areas of the world, representing a 15% increase on 2012 figures.
Elsewhere, the number of trips made by Irish residents to other countries fell slightly during 2013.
There were around 6,323,000 outbound trips recorded by the CSO in the twelve month period, down 2,700 on 2012.
Trips between October and December up 9.9% - CSO
The full-year figures come on the back of a 9.9% increase in trips to Ireland in the last three months of 2013.
More than 1.5 million people came to the country between October and December, according to the CSO, up 142,100 on the same period of 2012.
Close to half of those trips – 727,100 – were made by residents of Britain, while trips by residents of other European countries rose 4.4% to 527,600.
There were 223,500 trips taken by North American residents during the three month period, while the number of visitors from other areas rose 20% to 102,000.
Meanwhile, almost 1.33 million trips were made by Irish residents to other countries between October and December 2013, down 2.3% on the last three months of 2012.