row report provides insights happiness based environmental conditions social conditions urban rural happiness differentials sustainable development ref name also provides overview possible explanations nordic countries consistently ranked top ten happiest countries world happiness report since ref name worldhappinessreport ref possible explanations include nordic countries' high quality government benefits protections citizens including welfare benefits well operated democratic institutions well social connections bonding trust ref name worldhappinessreport additional national well indices reported statistics include gallup global emotions report gallup sharecare well index global happiness council 's global happiness
Social science Psychology Positive psychology