The population is classified by ethnic or cultural group and by each of the following: county; age group; marital status by age group; town; country of birth; nationality; religion; principal economic status; highest level of education completed; voluntary activity; ability to speak Irish. The Irish traveller population is classified by: regional authority area by town/rural; province by county; town; age group by marital status; single year of age by sex; age group by ability to speak Irish; religion; principal economic status by age group; participation rate by age group; broad industrial group; age at which fulltime education ceased; birthplace by age group; means of travel to work, school or college; distance travelled to work, school or college; province and county by type of household. Traveller households are classified by: composition of household; type of family unit by age group of eldest child; year house built by house type; motor car availability; pc ownership; access to the internet. Disabled travellers are classified by disability and age group. Almost all tables are also broken down by sex.
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.