This story is facinating, it reveals the factors which make up a happy nation and that even though governments focus on economic growth, citizens are actually happier when they're healthier (wow! who'd have guessed?!)
http://ca.news.yahoo.com/s/28072006/2/xhealth-canada-10th-world-happiness-map-called-reality-check-west.html And the university site with the full ranking of countries in the study:
http://www.le.ac.uk/psychology/aw57/world/sample.html It also has an interactive map, and you know how fun those can be!