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Date Last Updated: 30-05-2023

Survey Name:

Census of Population

Survey purpose:

Collection of information relating to persons and households and dissemination of Census of Population statistics through a range of specialised publications, releases and other media.

Legislative Basis National:

S.I. No. 637/2020 - Statistics (Census of Population) Order 2020

Legislative Basis European:

Not applicable


Five years

Statistical Population:

All persons and households

Sampling Frame:

Not applicable

Reference Area:

State, Region, County, Electoral Division

Time Coverage:

1926 to 2022

Base Period:

Not applicable

Sector Coverage:

Not applicable

Survey Size:

Approximately 5 million persons and 1.8 million private occupied households

Principal Variables:

Person variables - sex, age, household composition, marital status, place of birth, citizenship, ethnic group/background, religion, Irish language, disability, health, education, smoking, volunteering, economic status, occupation, industry and place of work. Household variables - accommodation type, year built, nature of occupancy, rent paid, heating/water/sewerage facilities, cars, renewable energy sources, smoke alarms, internet connection and devices.

Principal External Users:

Government, international bodies, general public and specialist users of Census of Population statistics.

Contact Organisation:

Central Statistics Office

Business Area:

Social & Demographic Statistics

Contact Person:

Deirdre Lynch

Contact Person Function:


Other Business Area Specialists:

Bernie Casey

Contact email:

Contact phone number:

(+353) 1 895 1300