New figures from the Central Statistics Office show that the rate of unemployment fell to 5.6% in February, from the revised rate of 5.7% in January.
Unemployment had stood at 5.8% in February 2018.
The CSO said the seasonally adjusted number of people who were unemployed stood at 135,100 in February, down from 136,800 in January.
Today's figures reveal that the seasonally adjusted unemployment rate for men was 5.6%, unchanged from January and down from 5.9% in February 2018.
Meanwhile, the seasonally adjusted unemployment rate for women was 5.6%, down 0.1% from January and down from 5.7% the same time last year.
The CSO also said the seasonally adjusted youth unemployment rate eased to 13.8% in February, from from 13.9% the month before.
The CSO recently revised the January jobless rate up to 5.7% from an initial estimate of 5.3%. Monthly unemployment rates have been subject to this kind of revisions in recent quarters.
Unemployment has fallen steadily since peaking at 16% in 2012 when the country was in the middle of a three-year international bailout.