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.
Lutheran Church in Ireland
In 2009, the Lutheran Church in Ireland had a baptised membership of 300. In the Republic of Ireland's census, the number of people people listing Lutheranism as their religion was 756 in 2002 and 5,329 in 2016. In Northern Ireland the corresponding figures were 186 in 2001 and 294 in 2011.