The Migration and Remittances Factbook 2015 attempts to present numbers and facts behind the stories of international migration and remittances, drawing on authoritative, publicly available data. It provides a snapshot of statistics on immigration, emigration, skilled emigration, and remittance flows for 210 countries and 15 regional and income groups. The Migration and Remittances Factbook 2015 updates the 2011 edition of the Factbook with additional data on bilateral migration and remittances and second generation diasporas, collected from various sources, including national censuses, labor force surveys, population registers, and other national sources.