> Respondents across the world were asked to rate their lives on a scale of 0-10, where 0 is the “worst possible life” and 10 is the “best possible life.” I do

> Respondents across the world were asked to rate their lives on a scale of 0-10, where 0 is the “worst possible life” and 10 is the “best possible life.” I don't think the study properly correlates to 'happiness'. As the article describes, it's more like 'satisfaction'. These are not the same [0] [0]: https://www.quora.com/What-is-the-distinction-between-happiness-and-satisfaction https://www.quora.com/What-is-the-distinction-between-happin...