Northern Ontario. Fully fluent in French and English, written, spoken, and between the lines. French Catholic schooling. French at home and at work. I realize I am the exception.

I agree with other comments on here, like many other skills, if you don’t use it everyday that skill will rust over time.

Here’s poster that shows French language schools across Canada. It is rather dated but it may somewhat answer the question.

“Last North American Pokemon goes instinct” - had a good chuckle at that.

Seriously though, humanity should get it’s head screwed on straight. This is going way too fast for evolution to cope with.