Are salaries in USA that much higher?

I am surprised how many times I see people with pretty regular jobs earning 120000 PY or more. I’m from the Netherlands and that’s a well developed country with one of the highest wages, but it would take at least 4/5 years to get a gross salary like that. And I have a Mr degree and work at a big company.

Others are also surprised by the salary differences compared to the US?