According to the German (I have not found an EU equivalent) office for statistics, you are part of the top 1% of full-time workers if you earn >213,286€ per year:
www.destatis.de/DE/Presse/…/PD25_134_621.html
Sure, this doesn’t include billionaires who don’t work but there just aren’t enough of them to matter. It’s not like there are hundreds of thousands billionaires in Germany.