There were 4,050 days lost to industrial disputes during 2018, according to figures released by the Central Statistics Office.
This was a marked improvement on the previous year when 50,191 days were lost.
There was a total of ten industrial disputes in progress in 2018 involving 1,814 workers, whereas 9,456 workers were involved in ten industrial disputes in 2017.
Lloyds Pharmacy, Tesco and Ryanair were some of the firms whose employees were involved in an industrial disputes.
One dispute in the financial, insurance and real estate activities sector accounted for 35.7% of the days lost in 2018, with 1,446 of the 4,050 total days lost.
There were two disputes in progress in the fourth quarter of 2018, resulting in 232 days lost and involving 217 workers and two firms.