Sure. But that again depends on calculation? If we are talking about "disposable income" in the average statistic (after tax) then ofc anywhere that does it through tax will have lower purchasing power because it's (easy to be) included. While places where it's mostly out of your pocket (or private) you can only really do an educated guess.
Ofc it's not free. But the point is that in the way you calculate, it can present as free. My question is to what extent do they calculate