Northern Ireland Census 2021 - MS-B23: Religion or religion brought up in

This dataset provides Census 2021 estimates about the religion or religion brought up in of the usual resident population of Northern Ireland. The estimates are as at census day, 21 March 2021. The religion or religion brought up in classification used is a 4-category classification corresponding to the tick box options and write-in responses on the census questionnaire for the religion belong to and the religion brought up in questions.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.