Population of Ireland by age group in 2016

This statistic shows a breakdown of the population of the Republic of Ireland, by age group, from the most recent Irish census in 2016. The largest age group consisted of residents that were aged between 25 and 44 years of age, at just over 1.4 million. In contrast, the number of 15 to 24 year olds was 576 thousand (with a difference of approximately 830 thousand). This disparity therefore contributed to substantial increases in the median age of the population in Ireland over the course of recent decades. This collectively amounted to the total population of Ireland consisting of 4.69 million inhabitants in 2016.

Population of the Republic of Ireland in 2016, by age group

Age groupNumber of residents
0 - 14 years1,006,552
15 - 24 years576,452
25 - 44 years1,406,291
45 - 64 years1,135,003
65 years and over637,567
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Release date

June 2016


United Kingdom

Survey time period


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