Numbeo.com is the world leading website which uses crowd sourced information to analyze and extract global information about cost of living, property prices, pollution, traffic, crime, health care and quality of living in overall.
For it's Quality of Life Index by Country 2012 it gathered data from more than 40000 people around the world.
The countries which are ranked highest in quality of life are:
- Switzerland (194.11)
- Germany (184.42)
- Norway (183.43)
- United Arab Emirates (177.07)
- New Zealand (174.28)
- Sweden (171.72)
- Canada (164.99)
- Denmark (163.12)
- Australia (162.03)
- Austria (159.89)
- Netherlands (158.07)
- United States (140.62)
- Japan (130.52)
Full rankings are available at:
http://www.numbeo.com/quality-of-life/rankings_by_country.jsp
To calculate these indexes, Numbeo.com used contributed data from users about cost of living, purchasing power, affordability of housing, perceptions about pollution, crime rates, health system quality and commute times in traffic.
For more information:
http://www.numbeo.com/common/
