Having said that, you're not making French regress. From the census, I can find out that among those who have Spanish as a mother tongue, how many speak French most often at home.
But I agree with you. In the survey on the vitality of minorities, a question was asked that does not appear in the census and which is quite simple. We asked what the main language was, the one in which the person felt most at ease. So we have a very good estimate of those for whom French is the main language and those for whom English is the main language. One could use one's own definition of what constitutes a francophone or an anglophone. However, I agree that there's a difference between...