These data come from the United Nations High Commisioner for Refugees (UNHCR).

The Statistical Online Population Database (http://www.unhcr.org/statistics/populationdatabase) provides data and trends on the "Population of concern to UNHCR": refugees, asylum-seekers, returned refugees, internally displaced persons (IDPs) protected/assisted by UNHCR, returned IDPs, stateless persons, and others of concern to UNHCR, in more than 180 countries.

This data set is limited to 50,000 records.