Who are the winners and losers of the expansion of education over the past 50 years?

The most recent Education Indicators in Focus brief provides a fascinating statistical account of the growth of secondary education attainment in OECD countries since 1965, spanning half a century to 2015. The chart above highlights the differences in take-off and speed of growth of educational attainment across countries. It ranks countries by the date at which 80% of the 25-34 year-olds in that country attained upper secondary education. More...