Fig. 5

Distribution of ages when highest educational level was attained by pairs of cohorts for students with ISCED 2 or below. The coloured bars show the distribution of the ages of the second birth cohort, while the empty bars show that of the first birth cohort in each figure. The median age of schooling was 15 for all birth cohorts until 1985 and became 16 for all birth cohorts starting from 1986