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Immigration Data and Statistics

Since the passage of the Homeland Security Act of 2002, the Office of Immigration Statistics has responsibility to carry out two statutory requirements: 1) to collect and disseminate to Congress and the public data and information useful in evaluating the social, economic, environmental, and demographic impact of immigration laws; and 2) to establish standards of reliability and validity for immigration statistics collected by the Department’s operational Components.

The following are key datasets and resources published by the Office of Immigration Statistics.

View OIS' Reporting Terminology and Definitions.


The following are key datasets and resources published by the Office of Immigration Statistics.

  • Yearbook of Immigration Statistics

    The Yearbook of Immigration Statistics is a compendium of tables that provides data on foreign nationals who were granted lawful permanent residence, were admitted into the United States on a temporary basis, applied for asylum or refugee status, or were naturalized.

  • Lawful Permanent Residents

    Lawful permanent residents (LPRs), also known as “green card” holders, are non-citizens who are lawfully authorized to live permanently within the United States.

  • Refugees & Asylees

    The United States provides protection to certain persons who have been persecuted or have a well-founded fear of persecution through a refugee program and through an asylum program.

  • U.S. Naturalizations

    Naturalization confers U.S. citizenship upon foreign nationals who have fulfilled the requirements Congress established in the Immigration and Nationality Act (INA).

  • U.S. Nonimmigrant Admissions

    Nonimmigrants are foreign nationals granted temporary admission into the United States.

  • Immigration Enforcement Actions

    DHS engages in immigration enforcement actions to prevent unlawful entry into the United States and to apprehend and repatriate noncitizens who have violated or failed to comply with U.S. immigration laws.

  • Population Estimates

    Population estimates for unauthorized immigrants, nonimmigrant residents, and lawful permanent residents.

  • Immigration Statistics Infographics

    Infographics produced by the Office of Immigration Statistics to make data provide by Department of Homeland Security components more readily available to the public.

  • Immigration Statistics Fact Sheets

    Fact sheets on widely varying topics ranging from characteristics of those apprehended at the border in a given time period to reports on immigrants’ interstate migration between the acquisition of lawful permanent resident (LPR) status and citizenship.

  • Border Security

    Protecting the nation’s borders—land, air, and sea—from the unauthorized entry of people, weapons, drugs, and contraband is vital to our homeland security, as well as economic prosperity. DHS has deployed unprecedented levels of personnel, technology, and resources and has made critical security improvements to secure and manage our borders. The following are reports related to Border Security.

  • Special Reports

    The Office of Immigration Statistics (OIS) prepares special reports in response to Presidential, Secretarial, and congressional directives.

  • Reading Room

    The Office of Immigration Statistics provides regularly released data and customized tabulations in response to a public request when there is a significant value for that information. Tabulations are organized by topic and an explanation of what the files contain.

  • Research Library

    White papers and special projects related to immigration which may expand upon concepts in core reporting or topics of special interest to stakeholders.

  • Office of Immigration Statistics

    Mission and contact information for the Office of Immigration Statistics.

Last Updated: 08/29/2023
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