[bergenty]

That’s because all 38 million comfortably fit in those places. There is plenty of inhabitable land between Toronto and the frozen northern lands.

[sbaiddn]

There's nothing there. Canada has one road linking every city together (well, except TO).

Imagine Iowa, but emptier.

[chitowneats]

What about the agricultural land needed to support that many people with Western diet and lifestyle? No matter who moves there, they will adopt those customs in the short to medium term.