As positive psychology has matured as a discipline, sub-fields have emerged focusing on particular areas, including a number concentrating on specific life stages. These include positive parenting, positive education, positive youth development, and positive aging. However, until now, there has not been a systematic appreciation of these various developmental paradigms, nor an attempt to consider ... [Show full abstract] them as a whole. As such, the current paper introduces the overarching notion of positive developmental psychology, an umbrella term encompassing these intersecting developmental disciplines. The paper offers a narrative review of selected literature within these areas – highlighting key theoretical concepts, empirical studies and applied interventions – doing so through the prism of a multidimensional framework. Thus the paper provides a synthesis of the wealth of theory and research within positive developmental psychology, offering a much-needed overview of this burgeoning new field, and setting out a comprehensive research agenda for the years ahead.