happiness index - SERP Analysis

https://www.worldhappiness.report/

https://worldpopulationreview.com/country-rankings/happiest-countries-in-the-world

https://www.theglobaleconomy.com/rankings/happiness/

https://en.wikipedia.org/wiki/World_Happiness_Report

https://thehappinessindex.com/

https://ophi.org.uk/gross-national-happiness

https://www.kaggle.com/datasets/unsdsn/world-happiness