Host societies ill equipped to absorb vast numbers of migrants may perceive migration as a threat to jobs. But liberalizing trade in services, which are often provided by migrant labour, holds great potential for increasing global welfare. The remittances sent home by migrants may be channelled into investment in homes and businesses, and the skills that returning migrants bring back may help their countries develop. The liberalization of the temporary movement of natural persons under the WTO´s General Agreement on Trade in Services, or GATS, particularly with regard to less skilled workers, may help bring about those potential gains. Achieving this will require a coordinated multi-stakeholder approach to migration, with the participation of governments, trade unions, civil society and the private sector.