A new international survey, the Gallup-Healthways Global Well-Being Index, reveals how 135 countries rank when it comes to the well-being of their residents.
The results are based on how people fare on five factors that contribute to well-being. These factors include having purpose, being physically healthy, being financially secure, having supportive social relationships and being satisfied with the community. [Read the full story on world's happiest countries]
The Gallup's researchers looked at each country and the percentage of people who were thriving in three or more of these factors:
Live Science newsletter
Stay up to date on the latest science news by signing up for our Essentials newsletter.