Nordic nations take top four places in happiness rankings, with annual study also charting the decline of the US
https://www.theguardian.com/world/2018/mar/14/finland-happiest-country-world-un-report
Top 10 happiest countries, 2018
(2017 ranking in brackets)
1. Finland (5)
2. Norway (1)
3. Denmark (2)
4. Iceland (3)
5. Switzerland (4)
6. Netherlands (6)
7. Canada (7)
8. New Zealand (8)
9. Sweden (10)
10. Australia (9)