Migration is increasingly being acknowledged as an issue that needs a global approach and coordinated responses. States are not only discussing migration issues at the bilateral level, but also regionally and lately in global arenas. A commonly understood language is indispensable for such coordination and international cooperation to be successful. This glossary attempts to serve as a guide to the mire of terms and concepts in the migration field, in an effort to provide a useful tool to the furtherance of such international cooperation and the common understanding of migration issues.