"The unauthorized resident immigrant population is defined as all foreign-born non-citizens who are not legal residents. Most unauthorized residents either entered the United States without inspection or were admitted temporarily and stayed past the date they were required to leave. . ."
"Nearly half of the 12 million-plus illegal aliens in America arrived legally with temporary, non-immigrant visas. The Department of Homeland Security (DHS) estimates that a 'substantial' percentage of America’s illegal population is made up of visa overstays — their estimates range from 27 to 57 percent. . ."
Steven A. Camarota, the Center's Director of Research, discusses numerical trends in illegal immigration at the southern border.
Jessica Vaughan, the Center's Director of Policy Studies, discusses the use of family detention for illegal alien families.
