Catholic Church in Ireland
In the 2016 Irish census 78.3% of the population identified as Catholic in Ireland; numbering approximately 3.7 million people. Unlike Catholics in the United States, Ireland has seen a significant decline from the 84.2% who identified as Catholic in the 2011 census.
Culture of Ireland
In the Republic of Ireland, the last time a census asked people to specify their religion was in 2011. The result was 84.16% Roman Catholic, 2.81% Church of Ireland (Anglican), 1.07% Islam, 0.54% Presbyterian, 0.9% Christian, 0.99% Orthodox, approximately 2.07% other religious groupings and 5.88% identified as having no religion. About 1.59% did not state their religious identity. Amongst the Republic's Roman Catholics, weekly church attendance dropped from 87% in 1981 to 60% in 1998, though this remained one of the highest attendance rates in Europe.