It doesn't to me. You're factoring in all Canadians of all ages (newborn->elderly, men, women) in all areas. 1 in 20 of every single human being regardless of age/gender seems pretty common in context.
If I were to perform the same sort of blanket percentage on Americans that actually watch baseball games regularly, I bet I'd reach a similar percentage. That doesn't mean that baseball fans are rare.
A citation for your 5% figure would be nice, because it might contain some meaningful context to lay a better picture than it does by itself.
I live in the Toronto area, and around here the percentage is, unsurprisingly, incredibly low. Out of the thousands of people that I engage with, I know one other person who hunts.
If I were to perform the same sort of blanket percentage on Americans that actually watch baseball games regularly, I bet I'd reach a similar percentage. That doesn't mean that baseball fans are rare.
A citation for your 5% figure would be nice, because it might contain some meaningful context to lay a better picture than it does by itself.