Psychological well-being is a multifaceted academic concept and significant research domain within psychology and related fields. It systematically investigates the subjective and objective dimensions of human flourishing and optimal psychological functioning, encompassing key characteristics such as positive affect, life satisfaction, purpose in life, autonomy, personal growth, environmental mastery, and positive relationships. This concept is crucial for understanding mental health beyond the mere absence of pathology and for identifying factors that contribute to resilience, thriving, and the realization of human potential across the lifespan.