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. 2021 Feb 12;118(7):e2015826118. doi: 10.1073/pnas.2015826118

Fig. 1.

Fig. 1.

Age and education pyramid of Singapore 2015 with skills levels at each attainment category being classified as being above (filled) or below (striped) OECD average. Calculations are based on data from the PIAAC Survey of Adult Skills (30) and the WIC Human Capital Data Explorer (20).