> Actually nowadays I bet higher percentage of Swedes know English than know Swedish.
Is that hyperbole? Because that would be very sad if true, culturally speaking. There are 5 different official languages in my country (Spain) and there are several laws to prevent them from becoming extinct for this very reason.
It's not hyperbole, but I also don't have data to back this up.
I guess I should say I'm counting adults. Everyone who went through mandatory schooling was taught English. Everyone who didn't (immigrated) is more likely to know English than Swedish.
So the only people who know Swedish but not English would be those who flunked out half way through mandatory schooling, or immigrants who knew neither English nor Swedish, and only learned Swedish.
Swedish is not disappearing (c.f. your example in Spain), but basically everyone speaking Swedish is (at least) bilingual.