Back to Top

 Skip navigation

Date Last Updated: 27-03-2018

Survey Name:

The Programme for the International Assessment of Adult Competencies (PIAAC)

Survey purpose:

To assess the skills of adults in Ireland aged between 16 and 65 in the areas of literacy, numeracy and problem solving in technology-rich environments.

Legislative Basis National:

Not applicable

Legislative Basis European:

Not applicable


Ad hoc

Statistical Population:

The core PIAAC target population consisted of all non-institutionalised adults between the ages of 16 and 65 (inclusive) residing in the country (whose usual place of residency is in the country) at the time of data collection. Adults were to be included regardless of citizenship, nationality or language.

Sampling Frame:

2006 Census of population

Reference Area:


Time Coverage:

Survey conducted between August 2011 and March 2012.

Base Period:

Not applicable

Sector Coverage:

Non applicable

Survey Size:

5,983 adults aged 16-65 years old

Principal Variables:

Literacy, numeracy and problem solving scores are also grouped into different levels of proficiency for each skill area or domain.

Principal External Users:

OECD, European Commission, Government Departments, other non-governmental organisations, researchers, economists.

Contact Organisation:

Central Statistics Office

Business Area:

Social & Demographic Statistics

Contact Person:

Helen McGrath

Contact Person Function:


Other Business Area Specialists:

Contact email:

Contact phone number:

(+353) 21 453 5000