Religion in the Republic of Ireland
The predominant religion in the Republic of Ireland is Christianity, with the largest church being the Roman Catholic Church. The Irish constitution says that the state may not endorse any particular religion and guarantees freedom of religion.
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.