Some of its a bit hard to answer as I've never lived in another country. I'm better at answering hunting questions. An american gunsmith friend thinks he would be better off in the states mainly due to our high taxes and housing costs.
Taxes are said to be 50% of income when you count all the hidden ones.We get a lot of social welfare.
Theres a govt immigration website but basically you need a preferred trade or lots of money.
We have crime here but I dont know what to compare it too. Im 64 and have only been the victim of a few minor burglaries in my life.
The average family has trouble saving money.Most people seem to get ahead by the rising equity in their houses.No capital gains tax yet.Hard for the young ones to get their first house though.