The PIAAC database contains the full set of responses from youths and adults. These files will be of use to statisticians and professional researchers who would like to undertake their own analysis of the PIAAC data. The files include the Public Use Files (PUF), codebooks, background questionnaires and all materials needed to process the data.
PIAAC data and methodology
Find, download and use a broad set of data ranging from raw answers to indicators and visualisation tools, all with the support documentation needed to reproduce PIAAC results.
PIAAC Database
IALS and ALL Data
The Survey of Adult Skills (PIAAC) has been developed as a continuation of two pre-existing surveys: the International Adult Literacy Skills Survey (IALS) and the Adult Literacy and Life Skills Survey (ALL).
Public use microdata files containing data from the International Adult Literacy Skills Survey (IALS) and the Adult Literacy and Life Skills Survey (ALL) can be accessed from Statistics Canada using the following link:
https://www150.statcan.gc.ca/n1/pub/89m0016x/89m0016x2024001-eng.htm
PIAAC Education GPS
The Education GPS allows you to download the full set of PIAAC indicators and generate country profile reports in PDF format.
PIAAC International Data Explorer (IDE)
The IDE allows you to create statistical tables and charts to explore adults' performance in literacy, numeracy, and problem solving in technology-rich environments. Data can be analysed by country as well as in relation to demographic characteristics, social and linguistic background, education, use of skills and employment status.
Methodology and manuals
Assessment and Analytical Frameworks
The Assessment Frameworks define and describe the skills assessed in the study – literacy, numeracy and problem solving – and outline the key features of the assessment of these skills.
Technical Reports
These reports give in details the technicalities of the Survey, including: the Assessment and Instrument Design, the Platform Development, the Field Operations and Quality Control, the Sampling and Weighting, the Data Analysis and Data Products.
Reader’s Companion
These reports describe the design and methodology of the PIAAC survey and its relationship to other international assessments of young students and adults.
Technical Standards and Guidelines
The Programme for International Assessment of Adult Competencies (PIAAC) has established technical standards and guidelines to ensure that the survey design and implementation processes of PIAAC yield high-quality and internationally comparable data.