‘Scotland is the only country to show improvements across any measures of personal well-being. Between the years ending December 2016 and 2017, improvements in worthwhile and happiness ratings in the UK were driven by Scotland" - ONS.

https://thoughtcontrolscotland.com/2018/05/18/do-office-for-national-statistics-figures-reveals-snp-rule-is-good-for-us-the-fraser-institute-seems-to-agree/