More information: Life satisfaction around the world: Measurement invariance of the Satisfaction With Life Scale (SWLS) across 65 nations, 40 languages, gender identities, and age groups, PLOS One ...

D ata on almost 57,000 people from 65 countries suggests that the Satisfaction With Life Scale (SWLS)—a widely used research tool—generally holds up well when applied across diverse groups of ...

The researchers measured people's happiness using a widely recognised scientific survey called the Satisfaction With Life Scale. In the test above, the scale has been converted into a percentage.