The mission of COMPAS is to conduct high quality research in order to develop theory and knowledge, inform policy-making and public debate, and engage users of research within the field of migration.The mobility of people is now firmly recognised as a key dimension shaping society today, but the relationship between migration and societal change is only partly understood. Research at the Centre on Migration, Policy and Society (COMPAS), core funded by the Economic and Social Research Council is geared to deepen the understanding of this relationship.