Spellbinding chart reveals how top 20 league table of happiest countries in the world has changed over the last decade... and the surprising nation which now has the cheeriest under-30s

8 months ago 46

1. Homepage
2. Science
3. Spellbinding chart reveals how top 20 league table of happiest countries in the world has changed over the last decade... and the surprising nation which now has the cheeriest under-30s