This report delves into the critical aspects of promoting mental health and wellbeing, specifically focusing on older people. It begins by defining mental health and wellbeing, emphasizing their interconnectedness and importance in an individual's life, and discusses the factors influencing mental health, including emotional, physical, mental, and social elements. The report further examines the UK's policy landscape concerning mental health, highlighting the need for improved access to services and better overall mental wellbeing for the population. Statistical data underscore the prevalence and impact of mental health issues, while determinants of wellbeing and mental ill-health are identified. The report also addresses inequalities in mental health service access and concludes by exploring intervention and prevention strategies, distinguishing between primary and secondary prevention methods to promote mental health effectively in various settings. This document is a student contribution to Desklib, a platform offering study tools and resources for students.