Most Children in Ratoath
Ratoath has the largest percentage of residents aged under 15 .
According to the most recent Irish census of 2006,   32% of the population of the town of Ratoath are aged 0 to 14. This is higher than any other town in Ireland with over 1500 residents.
All the following Irish  towns have over 25% of their population under 15 :  Donabate, Prosperous, Dunboyne, Sallins, Dunshaughlin, Tower, Stamullen, Ballina (North Tipperary), Kinnegad, Clogherhead, Enniskerry, Castlebridge, Rathangan, Carrigaline, Enfield. Many of these are in the Dublin commuter area.
The overall percentage of the population in Ireland aged under 15 is 20.39%.