Population by Usual Residence, Migration, Birthplaces and Nationalities


Central Statistics Office (CSO)

Key information

Population, births, birth rate, deaths, death rate, net migration by area (provinces, counties and cities); county of usual residence by county of enumeration; usual residence one year previously; county of residence by birthplace; county of residence by nationality; age group by nationality; nationality by detailed marital status; private households by composition and nationality. 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.



Every 5 years

Reference period

A night in April of the relevant census year

Start date



About 15 months after the date of the census


  • Province
    Leinster; Munster; Connacht; Ulster (part).
  • Region (NUTS3)
    Border; Dublin; Mid-East; Midland; Mid-West; South-East; South-West; West.
  • County
    The 26 geographic counties.
  • Marital status (broad)
    Single; Ever-married; Widowed.
  • Marital status (detailed)
    Single; Married; (First marriage; Remarried following widowhood; Remarried following dissolution of previous marriage); Separated/deserted; Divorced; Widowed.
  • Country of usual residence
    Northern Ireland; England and Wales; Scotland; Austria; Belgium; Cyprus; Czech Republic; Denmark; Estonia; Finland; France; Germany; Greece; Hungary; Italy; Latvia; Lithuania; Luxembourg; Malta; Netherlands; Poland; Portugal; Slovakia; Slovenia; Spain; Sweden; Other European countries; USA; Canada; Other American and Caribbean countries; Africa; Asia; Australia; New Zealand and other oceanic countries; Other.
  • Birthplace
    Ireland (Republic); County of usual residence; Other county; Northern Ireland; England and Wales; Scotland; Poland; Lithuania; Other EU; Other European countries; USA; Africa; Asia; Other countries. Further breakdown of individual countries is also provided.
  • Nationality
    Irish; Irish-English; Irish-American; Irish-European; Irish-Other; Non-Irish; All EU countries listed; Rest of Europe; Romania; Russia; Ukraine; Other Europe; Africa; Nigeria; South Africa; Other Africa; Asia; China; Philippines; India; Pakistan; Malaysia; Other Asia; America; USA; Brazil; Canada; Other America; Australia; New Zealand; Other nationalities; Multi-nationality; No nationality.


People and Society - Population

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absent africa african africans age america american americans asia australia australian australians austria belgium birth birthplace birthplaces births border brazil canada caribbean census central china cities connacht counties countries country county cso cyprus czech death deaths denmark deserted dissolution divorced dublin england estonia eu europe ever-married finland france germany greece households hungary india ireland irish irish-american irish-english irish-european irish-other italy latvia leinster lithuania luxembourg malaysia malta map maps marital marriage married mid-east midland mid-west migration multi-nationality munster nationalities nationality netherlands nigeria non-irish northern oceanic pakistan people philippines poland population portugal rate remarried republic residence residents romania russia sap sapmap saps scotland separated separated/deserted single slovakia slovenia south south-east south-west spain sweden ukraine ulster united usa visitors wales west widowed widowhood zealand