A Description of the Immigrant Population: An Update – June 2, 2011: “This document is the latest in CBO’s series on immigration. It updates A Description of the Immigrant Population (November 2004), providing an overview of the nation’s foreign-born population, with a particular focus on the years 2000 to 2009. It discusses changes in the numbers and countries of origin foreign-born people and their U.S. residency and citizenship status, and it compares demographic and labor market characteristics of foreign-born and native-born people in the United States.”