The IGC is an informal, non-decision making forum for intergovernmental information exchange and policy debate on issues of relevance to the management of international migratory flows.The IGC brings together 19 Participating States, the United Nations High Commissioner for Refugees, the International Organization for Migration and the European Commission. The Participating States are Australia, Austria, Belgium, Canada, Denmark, Finland, Germany, Greece, Ireland, Netherlands, New Zealand, Norway, Poland, Portugal, Spain, Sweden, Switzerland, United Kingdom and United States of America.