PIAAC Data and Tools
Twenty-four countries participated in Round 1 of the Survey of Adult Skills (PIAAC), with data collection taking place from 1 August 2011 to 31 March 2012 in most countries. Nine countries took part in Round 2 of the assessment, with data collection taking place from April 2014 to end-March 2015.
Data from Round 3 will be released in November 2019, with the addition of: Ecuador, Hungary, Kazakhstan, Mexico, Peru and United States.
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