The same is in New Zealand as well. Canada, NZ, and AU all have a points-based immigration system, which awards points to education and skills in white-collar a

The same is in New Zealand as well. Canada, NZ, and AU all have a points-based immigration system, which awards points to education and skills in white-collar areas. Over 40 years these systems have grown the population, but has kept trades out. The result is it's now more expensive than ever to build. It's not the only reason, but it sure contributes. All three of these countries have insane housing prices.