„On average across the OECD, workers without upper secondary qualifications earn on average 17% less than those who have completed upper secondary education, while workers with tertiary attainment earn 54% more than those with upper secondary attainment. In Austria, the wage gap between workers with and without upper secondary attainment is larger than the OECD average, at 22%. The gap between those with upper secondary and tertiary attainment is smaller than the OECD average, at 43%.“
OECD (Hrsg.), Education at a Glance 2025. Austria Country Note (2025), S. 3.