Irish Language


Central Statistics Office (CSO)

Key information

The number of persons by ability to speak Irish, frequency of speaking Irish, daily Irish speakers within the education system, by region and other geographic areas, age group, sex, place of birth, socio-economic group, social class, occupational group, age when fulltime education ceased, level of education, type of family unit, and ethnic or cultural group. Details are provided separately for areas in the Gaeltacht. Information is supplied in the Small Area Population Statistics (SAPS) classified by Census Enumeration Areas, Dáil Constituencies, Electoral Divisions, Gaeltacht Areas, Garda Regions, Divisions and Districts, Local Electoral Areas, Towns, Urban and Rural areas of each county.

A Methods and Quality Report is available for this statistic.


Census of Population


All persons aged 3 years and over


Every 5 years

Reference period

A night in April of the relevant census year

Start date



About 18 months after the date of the census


  • Irish speaking ability
    Irish speaker; Non-Irish speaker; Not stated.
  • Irish speaking frequency
    Daily, within education system (Speaks Irish within education system only; Speaks Irish also outside education); Outside education system (Daily; Weekly; Less often; Never; Not stated).
  • Age
    3-4 years; 5-9; 10-14; 15-19; 20-24; 25-34; 35-44; 45-54; 55-64; 65+ years
  • Province
    Leinster; Munster; Connacht; Ulster (part).
  • Region (NUTS3)
    Border; Dublin; Mid-East; Midland; Mid-West; South-East; South-West; West
  • County or City
    The 34 administrative counties
  • Ethnic or cultural group
    White (Irish; Irish traveller; Any other white background); Black or black Irish (African; Any other black background); Asian or asian Irish (Chinese; Any other asian background); Other incl mixed background
  • Birthplace
    Ireland; Northern Ireland; England and Wales; Scotland; France; Germany; Other EU; Other European countries; USA; Africa; Asia; Other countries.
  • Nationality
    Irish nationals; Non-Irish nationals (United Kingdom; EU15 excluding Ireland and UK; EU15 to EU25 accession states; Other); Not stated incl no nationality
  • Education level
    Primary (incl no formal education); Lower secondary; Upper secondary; Third level non-degree; Third level degree or higher; Not stated.
  • Occupational group (intermediate)
    Farming, fishing and forestry workers; Electrical trades workers; Engineering and allied trades workers; Textile, clothing and leather workers; Food, drink and tobacco production workers; Chemical, paper, wood, rubber, plastics and printing workers; Other manufacturing workers; Building and construction workers; Managers and executives; Communication, warehouse and transport workers; Clerical and office workers; Sales occupations; Business and commerce occupations; Computer software occupations; Scientific and technical occupations; Health and related workers; Social workers and related occupations; Religious occupations; Other professional workers; Personal service and childcare workers; Teachers; Central and local government workers; Garda Síochána; Army occupations; Other gainful occupations; Looking for first regular job.
  • Socio-economic group
    Employers and managers; Higher professional; Lower professional; Non-manual; Manual skilled; Semi-skilled; Unskilled; Own account workers; Farmers; Agricultural workers; All others gainfully occupied and unknown.
  • Social class
    Professional workers; Managerial and technical; Non-manual; Skilled manual; Semi-skilled; Unskilled; All others gainfully occupied and unknown
  • Age at which full-time education ceased
    Less than 15 years; 15-16; 17-19; 20-21; 22-24; 25+ years; Not stated


People and Society - Population

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