New figures show that a total of 3,695 days were lost to industrial disputes last year.
The Central Statistics Office says this compares to 6,602 in 2010 and to 329,593 days in 2009, the majority of which related to public sector disputes.
The CSO says there was a total of eight industrial disputes last year compared to 14 in 2010. It added that the eight rows affected 1,384 workers while 511 workers were affected by 12 industrial rows in 2010.
The figures also reveal that the 579 days lost in the fourth quarter of last year due to industrial disputes compared to 27 lost the same time in 2010.