This theme provides estimates for a number of census topics including main language, household language, knowledge of Irish, knowledge of Ulster-Scots, frequency of speaking Irish, frequency of speaking Ulster-Scots, and proficiency in English.
Data are available for Northern Ireland and the 11 Local Government Districts. The full detail table is available for Northern Ireland. Selected tables have been updated to include settlement and electoral ward data – download all main statistics tables available at settlement and electoral ward geographies.
This page was last updated on 30 November 2023.
View other main statistics tables by theme:
- demography – age and sex
- demography – country of birth
- demography – passports held
- demography – household relationships
- ethnicity
- identity
- religion
- sexual orientation
- health, disability and unpaid care
- housing and accommodation
- communal establishments
- qualifications
- labour market
- travel to work or study
- migration
Download all main statistics tables.
Search all published census data using our Census 2021 table lookup.
MS-B05 Knowledge of Irish [UPDATED]