The phenomenon of globalization has ushered mass migrations across the globe leading to an increase in diasporic populations. The impact of globalization for these diasporic individuals is multifaceted. It has fostered interconnectedness with home countries and host societies, led to advancements in technologies and enhanced cultural exchanges. Increased migration is also accompanied by migration-related mental disorders and several other challenges pertaining to the identity, physical and mental health, discrimination, and unemployment. This chapter explores the interplay of globalization, gender, and sustainability on the psychological well-being of diaspora communities worldwide. It examines the challenges posed by identity formation, acculturation, minority status, and socioecological factors, and highlights the importance of adopting a holistic and intersectional approach to address these challenges.