Census Cheat Sheet

The Census is a key tool for business and brand planning. As the CSO releases data over the coming months, we will share with you cheat sheets on what it may mean for your business. Sign up today to receive these updates.

 Credit: CSO.ie

Credit: CSO.ie

Let's start with some of the key themes.

Ageing Ireland

The average age of the population has continued to increase and stood at 37.4 in April 2016 compared with 36.1 five years earlier, a gain of 1.3 years. 

Looking after the young and old

As a result of ageing, the number of people who may need support (under 15 year olds and over 65 year olds) has increased. The total dependency ratio increased from 49.3 in 2011 to 52.7 in 2016, a rise of 3.4 points.

Cities & Dating

45 per cent of those living in urban areas are single, compared to 35% of people living in rural areas. Just over 43 per cent of men and almost 39 per cent of women were single in 2016.

Irish family size has stabilised and marriage is less a priority

Average number of children per family fell from 2 children in 1991 to 1.38 in 2016. There is a growing number of couples opting to have children before getting married - 32 per cent increase in number of children of cohabiting couples.


It is important to remember that 17 per cent of population are Irish residents born abroad. This diverse group brings new languages, cultures and tastes to Ireland.

Equally, 73,803 said they speak Irish daily outside the education system.

Ireland: Still a Catholic Country?

Despite reduced mass attendance, 3.7 million people claim they are Roman Catholic - the most popular religion in Ireland. There has been a 73.6% increase in people stating they had no religion. This group is more likely to have been born after the last visit from the Pope in 1979.

Register below to receive our updates on the Census.