Identity research is at the heart of many trans-disciplinary research centers around the world. No single social science discipline `owns′ identity research and The SAGE Handbook of Identities draws on a global scholarship to cover in four parts presents the main theoretical and methodological perspectives in identities research. covers the major formative forces for identities such as culture, globalization, migratory patterns, biology and so on. reviews research on the core social categories which are central to identity such as ethnicity, gender, sexuality, disability and social class and intersections between these. Sites and develops a series of case studies of crucial sites and contexts where identity is at stake such as social movements, relationships and family life, work-places and environments and citizenship.