The CSO vital statistics for 2015 have been published, and reveal we are having fewer babies and starting older.
The number of births here is falling with a decrease of 12.8% in 2015 on 2010 figures.
The average age Irish women are having their first baby is 32.5 years.
Mothers under 30 accounted for nearly 30% of births in 2015 compared with 10 years previously, when under 30s accounted for nearly 40% of births.
There were 1,199 births to mothers under 20 years in 2015, which is half the number born to under 20s 10 years ago.
A total of 65,500 babies were born with just under 1,500 more boys than girls born.
More than one third of all births were outside of marriage or civil partnership.