„The differences in completion rates between students whose parents lack tertiary attainment and those from tertiary-educated backgrounds are wider in Denmark and Norway (14 percentage points lower), and Finland (17 percentage points lower). In contrast, the gap is only 3 percentage points in Israel and 4 percentage points in Switzerland.“
OECD (Hrsg.), Education at a Glance 2026. OECD Indicators (2026), S. 238.