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, Health Service Executive Areas, Local Electoral Areas, Towns, Urban and Rural areas of each county.