Population Bulletin, vol. 63, no. 1: Managing Migration–The Global Challenge
(March 2008) The number of international migrants is at an all-time high. There were 191 million migrants in 2005, which means that 3 percent of the world's people left their country of birth or citizenship for a year or more.
Reports on America. Children in U.S. Immigrant Families Chart New Path
(2009) A new PRB report, Children in Immigrant Families Chart New Path, looks at the U.S. children of immigrants through a demographic lens. There are more than 16 million children living in America's immigrant families.