1. On top of that, there is also the fact that 100K new ppl move into the GTA every year. A good chunk of the wants to live in DT Toronto, further reducing the small supply;
2. Toronto produces 30% of Canada's economic output;
3. By many metrics, Toronto is extremely underpriced for the job and quality of life you get compared to other countries' largest cities;
4. Toronto is the 3rd largest North American city;
5. It's possible part of the prices are just tracking the USD as the CAD dropped ;and
6. The truth is, the majority of the Canadian population won't know/accept that in this single city people make 5-10x the income they make, hence "bubble" being thrown around as the obvious answer.