Each year, the Economist Intelligence Unit (EIU) releases its Global Liveability Index, ranking 173 cities around the world from the best to worst living conditions. They look at five key metrics, including healthcare, culture, education, infrastructure and the environment.

Top 20 cities

1. Vienna, Austria

2. Copenhagen, Denmark

3. Zurich, Switzerland

4. Melbourne, Australia

5. Calgary, Canada (tied with Geneva)

6. Geneva, Switzerland (tie)

7. Sydney, Australia (tied with Vancouver)

8. Vancouver, Canada (tie)

9. Osaka, Japan (tied with Auckland)

10. Auckland, New Zealand (tie)

11. Adelaide, Australia

12. Toronto, Canada

13. Helsinki, Finland

14. Tokyo, Japan

15. Perth, Australia

16. Brisbane, Australia

17. Frankfurt, Germany (tied with Luxembourg)

18. Luxembourg, Luxembourg (tie)

19. Amsterdam, Netherlands

20. Wellington, New Zealand