Migration - Data - Maps - Information

United Nations High Commissioner for Refugees (UNHCR) - Figures at a Glance
http://www.unhcr.org/en-us/figures-at-a-glance.html

United Nations Department of Economic and Social Affairs - Population Division - International Migration
http://www.un.org/en/development/desa/population/migration/data/estimates2/estimates15.shtml

United Nations Department of Economic and Social Affairs - Population Division - World Population Prospects
https://esa.un.org/unpd/wpp/

IOM - OM - Displacement Tracking Matrix
http://www.globaldtm.info