Uniquely informed by a sociological perspective, this major new textbook introduces the underlying origins and consequences of international migration, placing individuals within a broader social, cultural and historical context. This comprehensive introduction analyses international migration and its effects on those who migrate, their families, and their places of origin and destination. Drawing on illustrative examples from around the world, the book covers the major theories concerning the origins of international migration and the manner, degree and consequences of migrants’ incorporation into the societies to which they move.