Citizenship Guide (United States)

Apply for U.S. citizenship by submitting Form N-400, Application for Naturalization. This form is available to file online. There are exceptions and modifications to the naturalization requirements that are available to those who qualify. USCIS also provides accommodations for individuals with disabilities.

In this section of the Citizenship Resource Center, learn about the important reasons to become a U.S. citizen and paths to citizenship. Also, find information about the naturalization process and what you need to know about the naturalization interview and test.

In this section of the Citizenship Resource Center, you will find information about the Naturalization Test requirements; study materials for the English and civics test, including flash cards, pocket study guides, videos, or interactive practices tests; and information on updates or changes to the Naturalization Test. We also offer citizenship resources in other languages.