>> So while it is fascinating to study the performance of teenagers in a...

>> So while it is fascinating to study the performance of teenagers in a small selection of topics, the test does not tell whether they will grow up as happy and/or fulfilled adults

According to some studies [1] the 20 happiest nations in the World are:

  1. Denmark 
  2. Switzerland 
  3. Austria 
  4. Iceland 
  5. The Bahamas 
  6. Finland 
  7. Sweden 
  8. Bhutan 
  9. Brunei 
  10. Canada 
  11. Ireland 
  12. Luxembourg 
  13. Costa Rica 
  14. Malta 
  15. The Netherlands 
  16. Antigua and Barbuda 
  17. Malaysia 
  18. New Zealand 
  19. Norway 
  20. The Seychelles

[1] http://www.sciencedaily.com/releases/2006/11/061113093726.ht...