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Title:  Program for the International Assessment of Adult Competencies (PIAAC) U.S. Public Use File (PUF)
Description: The PIAAC U.S. PUF contains individual unit record data including both responses to the background questionnaire and the cognitive assessment. Statistical disclosure control treatments were applied due to confidentiality concerns. For more details on the PUF, please refer to Appendix J of the U.S. PIAAC Technical Report (NCES 2014-047).

Note to users: The OECD has identified an error in the derivation of the following variables in the PIAAC data files: NFE12JR, NFE12NJR, FNFE12JR, FNFAET12JR and FNFAET12NJR.NCES released revised U.S. public-use and restricted-use files, the background compendia, and the codebook on August 18, 2015. IDE (International Data Explorer) has been updated on March 27, 2015. If you have any questions, please contact:

Revision Release: August 2015
Online Availability:
Cover Date: April 2014
Web Release: May 5, 2014
Print Release: April 29, 2014
Publication #: NCES 2014045REV
General Ordering Information
Center/Program: NCES
Authors: Steven Holtzman, John Barone, Lin Li, Tom Krenzke, Jacquie Hogan, Leyla Mohadjer, Ralph Carstens, and Tim Daniels.
Type of Product: Data File
Survey/Program Areas: Program for the International Assessment of Adult Competencies (PIAAC)
Questions: For questions about the content of this Data File, please contact:
Stephen Provasnik.
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National Center for Education Statistics -
U.S. Department of Education