This special issue of the European Review of International Migration (REMI) is about migration in Asia and the Pacific. Indeed, it is not feasible, within the limits of a dossier, to provide information on the whole of Asia or to systematically compare the major sub-regions of the Asian continent. The major fact that makes it impossible to identify characteristics common to the whole of Asia is the extraordinary heterogeneity of this immense continent and the complexities of its migratory movements. The contributions to this issue have one element in common, however, and that is to discuss migration from an intra-regional perspective, i.e. flows within Asia and the Pacific, and thus highlight the existence of intra-regional migration corridors and their respective specificities. What is true in regard to complex interrelationships in the economic, social, political, cultural, religious and ethnic fields is also true in the field of migration.