Data Standards and Definitions

Disclosure Policy

The Office of Immigration Statistics recognizes the importance of protecting the identity of individuals included in the data used to generate tabulations, reports, and other research. For more information, read OIS's disclosure policy.

Additional information about the disclosure policy of the Department of Homeland Security is available from the DHS Privacy Office web site.

Definition of Terms

Access our definition of terms.

Immigration Legislation

• Recent Immigration-Related Legislation (USCIS.gov)
• Immigration and Naturalization Legislation from 1790 to 1990 (USCIS.gov)

This page was last modified on July 3, 2007