A large international study, published in Nature Human Behaviour, reveals that happiness isn't solely determined by external factors (income, relationships) or internal attitudes, but varies significantly between individuals. Some derive happiness primarily from external domains, others from internal factors, and many from a combination. The study, involving over 40,000 participants across five countries, highlights the need for personalized interventions to boost well-being, addressing both internal and external influences rather than using a one-size-fits-all approach. This research emphasizes the limitations of population-level happiness studies in capturing individual experiences.

Prepared by Olivia Bennett and reviewed by editorial team.