Immigration Facts
Immigration-related data are available for the country, for each of the states and the District of Columbia, for large metropolitan statistical areas, for large counties and for large cities. Data include:
- Foreign-born population and share
- Illegal Alien population and share (national and state only)
- Naturalized (U.S. citizen) immigrants
- Legal immigrant admissions
- Costs of illegal aliens (national and state only)
- Immigration's impact on population growth
Public opinion poll data on immigration issues are available for the country and many states as well as for demographic segments of the population.
Immigration 101 is a primer on immigration issues for newcomers to the topic.
Suggested Reading offers some seminal writing on immigration history and contemporary issues for persons seeking a greater depth of knowledge.
The Quotes Library is a resource for persons seeking quotes by historic or current public figures on immigration issues.
The Glossary is a resource in case you come on an obscure immigration related term or acronym that you don't understand.

