Canada in short:

Pro's:
1. no. 1 living standard in the world
2. best/better health care system
3. best/better schooling
4. best air with full oxygen content
5. better social life
6. best/better public transportation 
7. best/better child & social benefit
8. the beauty of being in Canada, your way to USA is legally open after 3 years. RIP IT!

Con's:
1. cold zone
2. less job opportunities (esp. in Toronto)
3. more tax

Note: based on my perception/experience.