<P><EM>Superdiversity</EM> explores processes of diversification and the complex, emergent social configurations that now supersede prior forms of diversity in societies around the world. Migration plays a key role in these processes, bringing changes not just in social, cultural, religious, and linguistic phenomena, but also in the ways that these phenomena combine with others like gender, age, and legal status.</P><P>The concept of superdiversity has been adopted by scholars across the social sciences in order to address a variety of forms, modes, and outcomes of diversification. Central to this field is the relationship between social categorization and social organization, including stratification and inequality. Increasingly complex categories of social ¿difference¿ have significant impacts across scales, from entire societies to individual identities. While diversification is often met with simplifying stereotypes, threat narratives, and expressions of antagonism, superdiversity