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 Northern Ireland in 2011, the population was 40.8% Roman Catholic, 19.1% Presbyterian, 13.7% Church of Ireland (Anglican), 3% Methodist, 5.8% other Christian, 0.8% other religion and philosophy, 10.1% with no religion and 6.8% religion not stated.