Yikes.
And, the specific breakdown of population figures per age category:
Age 0-14:
2008: 913,300
2013: 1,007,700
+10.3%
Age 15-29
2008: 1,077,500
2013: 853,300
-20.8%
Age 30-44
2008: 1,031,700
2013: 1,094,100
+6.05%
Age 45-64
2008: 978,900
2013: 1,069,900
+9.3%
Age 65+
2008: 483,800
2013: 568,100
+17.4%
State (all ages)
2008: 4,485,100
2013: 4 593,100
+2.4%
Figures taken from Central Statistics Office here
Previously: In Through The Out Door
Graph: Donagh Humphreys via Unite’s Notes On The Front