Migration Policy Institute
The Migration Policy Institute is a Washington, D.C.-based think tank established in 2001 by Kathleen Newland and Demetrios G. Papademetriou. It is "an independent, non-partisan, non-profit think-tank dedicated to the study of the movement of people worldwide." The Migration Policy Institute works to analyze migration policies at the local, national, and international levels.
Research areas 
MPI's research can be categorized as follows:
Migration data 
The MPI Data Hub provides current immigration statistics, maps, and numbers for the United States and other countries. The Data Hub showcases national and state-level demographic, social, and economic facts about immigrants to the US; as well as stocks, flows, citizenship, net migration, and historical data for countries in Europe, North America, and Oceania. It contains tools that allow users to track migration trends, patterns and populations.
The Migration Information Source is MPI's online journal. The Source provides authoritative data from numerous global organizations and governments, as well as short analytical pieces on international migration and refugee trends. It is a collaboration between a team of international correspondents who chronicle global migration movements, provide perspectives on current migration debates, and offer data analysis. Its target audience is academics, policy makers, journalists, and amateur researchers.
MPI experts comprise of Senior Policy Analysts, Researchers, and Nonresident Fellows. A full list of staff can be found here: http://www.migrationpolicy.org/about/staff.php