PISA 2018: Between 2015 and 2018, the share of satisfied students shrank by 5 percentage points …

PISA 2018: „On average across OECD countries, 67 % of students reported being satisfied with their lives (students who reported between 7 and 10 on the life-satisfaction scale). Between 2015 and 2018, the share of satisfied students shrank by 5 percentage points.“
OECD (Hrsg.), „PISA 2018 Results. What School Life Means for Students’ Lives“ (2019), S. 154
In Österreich waren es im Jahr 2018 70 %, im Jahr 2015 75 %. (Quelle: OECD (Hrsg.), „PISA 2018 Results. What School Life Means for Students’ Lives“ (2019), Table III.B1.11.1 u. Table III.B1.11.2)