The percentages of university graduates for an age cohort are growing yearly in Germany as well. 25.5% in 2008, 31.5 in 2018. The US is just further ahead in this trend. It has similar effects in Germany. Brace yourself, Akademikerproletariat is coming :).
https://www.datenportal.bmbf.de/portal/de/Tabelle-1.9.5.html