On average, 40.1 % of 25-29 year-olds without upper secondary education are NEET …

„On average, 40.1 % of 25-29 year-olds without upper secondary education are NEET, compared to 16.8 % of those with an upper secondary or post-secondary non-tertiary education and 10.8 % for those who completed a tertiary degree.“
OECD (Hrsg.), „Education at a Glance 2019“ (2019), S. 53