It assigns a happiness score on a scale of zero to 10, based on an average of data over a three-year period. This latest edition was completed before the Russian invasion of Ukraine. 
Inapeleka mulingo wachisangalalo pamulingo wa ziro mpaka 10, kutengera pa mulingo wakaundula  wa nthawi yoposa zaka zitatu,zomwe zinalembedwa zatsopanozi zinamalizidwa  dziko la Russia ndi Ukrain asana ukilane.