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.
Christianity in Ireland
The English-speaking minority mostly adhered to the Church of Ireland or to Presbyterianism, while the Irish-speaking majority remained faithful to Catholicism, which remained by far the majority denomination in Ireland.