Share of PISA 2009 sample in each social class group, by country

Social class group Canada Finland Korea France Germany U.K. U.S.
Group 1 (Lowest) 9% 6% 5% 15% 12% 14% 20%
Group 2 13 11 9 17 13 16 18
Group 3 31 34 31 31 29 29 28
Group 4 21 23 23 18 19 18 16
Group 5 17 20 22 13 16 15 12
Group 6 (Highest) 9 6 9 7 10 8 6

Source: Authors' analysis of OECD Program for International Student Assessment (PISA) 2009 database for each country

View the underlying data on epi.org.