The source may be sketchy but is all I found.

Average lawyer: 50k€/year [1] Average doctor: 75k€/year [2] Average engineer: 60k€/year [3]

[1]https://www.gehaltsvergleich.com/gehalt/Rechtsanwalt-Rechtsa... [2]https://www.gehaltsvergleich.com/gehalt/Arzt-Aerztin-Uni [3]https://www.gehaltsvergleich.com/gehalt/search?jobname=Ingen...