According to the 2016 census, approximately 10.1% of people in Ireland were either atheist, agnostic or had no religion, an increase from approximately 6% as of the 2011 census. The age distribution for those with no religion had an initial low of 4.5% for 12 year olds which rose to a peak of 18.5% for 26 year olds before declining for higher ages down to a final low of 1.1% for those aged 85+. Those with no religion were disproportionally represented in the 20-39 age bracket. Despite containing only 28% of the general population, up to 45% of those with no religion fell into the 20-39 age bracket. Those with no religion made up 17.2% of those aged 20-24; 17.6% of those aged 25-29; 15.6% of those aged 30-34; and 13.7% of those aged 35-39.
