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Important Updates to the Naturalization Test

USCIS has revised the civics portion of the naturalization test. All applicants for naturalization with a filing date (also known as a received date)on or after Dec. 1, 2020, will be required to take the 2020 version of the civics test. For more information, visit The 2020 Version of the Civics Test page. Applicants for naturalization with a filing date before Dec. 1, 2020, are required to take the 2008 version of the civics test.


The Citizenship Resource Center has a collection of helpful resources and free study materials for a variety of users including:

  • Immigrants who are interested in becoming U.S. citizens. Lawful permanent residents (LPRs) will find information about the naturalization process, eligibility requirements, and study materials to prepare for the naturalization interview and test.
  • Educators who play a critical role in preparing learners. Educators including teachers, volunteers, and program administrators will find several resources for the classroom. Educators can also search for free USCIS training seminars designed to enhance the skills needed to teach U.S. history, civics, and the naturalization process to immigrant students.
  • Organizations that are interested in supporting immigrants in becoming citizens and assisting them to assimilate into American civic society. Whether an organization is just beginning to help immigrants on their journey towards citizenship or is an experienced service provider, they will find resources to help enhance their overall efforts and programs.

The Citizenship Resource Center is managed by the Office of Citizenship. Learn more about the Office of Citizenship and its mission.


Learn About Citizenship

Learn about the naturalization process and eligibility requirements to become a U.S. citizen.

Apply for Citizenship

Apply for naturalization to become a citizen. File your N-400, Application for Naturalization, online.
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Find Study Materials and Resources

Us Movie Meaning

Find free study materials and resources to prepare for the naturalization interview and test.

Resources for Educational Programs

Educators can find materials to supplement classroom resources and learn about upcoming training seminars.

Civic Assimilation

Learn about the Citizenship and Assimilation Grant Program and settling in the United States as a new lawful permanent resident.

Outreach Tools


Organizations can find helpful tools and resources to support immigrants interested in becoming citizens.