Map showing the difference in the proportion of the population in Northern Ireland who are, or were brought up, either Catholic or Protestant in the 2011 census. "Legend:" 90% to 100% more Catholic than Protestant 80% to 90% more Catholic than Protestant 70% to 80% more Catholic than Protestant 60% to 70% more Catholic than Protestant 50% to 60% more Catholic than Protestant 40% to 50% more Catholic than Protestant 30% to 40% more Catholic than Protestant 20% to 30% more Catholic than Protestant 10% to 20% more Catholic than Protestant 0% to 10% more Catholic than Protestant 0% to 10% more Protestant than Catholic 10% to 20% more Protestant than Catholic 20% to 30% more Protestant than Catholic 30% to 40% more Protestant than Catholic 40% to 50% more Protestant than Catholic 50% to 60% more Protestant than Catholic 60% to 70% more Protestant than Catholic 70% to 80% more Protestant than Catholic 80% to 90% more Protestant than Catholic 90% to 100% more Protestant than Catholic