There are now over 2.3 million people working in Ireland, according to figures released by the Central Statistics Office.
Of this number, four in five are in full-time employment.
This is the seventh year in a row that the number of people working in Ireland has increased since the economy recovered from the economic downturn after the 2008 crash.
In the first quarter of 2013, there was 1.892 million people working in Ireland. Since then, the number has increased by 21% and now sits at 2.301 million.
People employed in the agriculture, fishing, and forestry sectors have the longest working week.
Employees in those industries spend 49.5 hours at work every week, according to the figures.
The average person in full time employment works 40.7 hours weekly, while self employed people work 45.1 hours.
Part time workers spend 18.6 hours per week at work.
Meanwhile, Ireland's population is expected to increase up to 5.8 million by 2036, up from 4.74 million in 2016.
Dublin and the Mid-East region are anticipated to see the highest increases in population, according to figures from the CSO.
The number of people aged 65 and over is expected to rise by over 65%.
The figure was calculated using trend including immigration rate, fertility rates and a projected increase in life expectancy.