Consisting of 22 federal programs and departments, search this site on issues relating to homeland security such as citizenship and immigration services, FEMA, and cyber security.
The Homeland Security Digital Library (HSDL) is the nation’s premier collection of documents related to homeland security policy, strategy, and organizational management.
Provides access to a large number of immigration reports (2002- ) from the Congressional Research Service, Government Accountability Office, and the Department of Homeland Security.
Foreign Born Statistics compiled by the Census Bureau. Foreign Born is defined as "...anyone who is not a U.S. citizen at birth. This includes those who have become U.S. citizens through naturalization".
USCIS oversees lawful immigration to the United States. This resource contains information on obtaining U.S. citizenship and obtaining and renewing visas and green cards.