https://www.oecd.org/skills/piaac/publicdataandanalysis/
The Survey of Adult Skills (PIAAC) assesses the proficiency (literacy, numeracy and problem solving in technology-rich environments) of adults from age 16 onwards in 2012, together with skills used at work and in everyday life, and a rich set of labour market and demographic information. It consists of individual data for 24 countries in Round 1 (2012) and nine extra countries in Round 2 (2014)
Data provider: OECD
