As well as a personal sense of wellbeing, based on Gallup polls in each country, the happiness score takes account of GDP, social support, personal freedom and levels of corruption.
Kunye nokuba sempilweni entle, esekwe kuvoto lweGallup kwilizwe ngalinye, amanqaku olonwabo athathela ingqalelo iGDP, inkxaso yezentlalo, inkululeko yomntu kunye nenqanaba lorhwaphilizo.