Top Ten Countries with the Highest Share of International Migrants in the Total Population (2010)
* Projected by the UN Population Division. As countries collect statistics on immigrants in varying ways, it is often difficult to harmonize them across countries; differences in counting deeply affect rank orders.
United Nations Department of Economic and Social Affairs, Population Division, Trends in International Migrant Stock: The 2008 Revision, UN database, (New York: United Nations Department of Economic and Social Affairs, Population Division, 2009). Available at http://esa.un.org/migration/index.asp?panel=1