US Citizenship — How to Apply, Prepare, and Succeed

Becoming a United States citizen involves meeting eligibility requirements, applying for naturalization, and completing the USCIS interview process. On this page, you’ll find step-by-step resources to guide you through each stage.

While this page focuses on the full citizenship journey, we also offer free preparation tools, including the full list of 100 civics questions, the reading test, and the writing test — so you can be ready for every part of the process. Start practicing now:

Practice All 100 Questions for Free Try 10 Random Questions for Free

Explore step-by-step guides, study tips, and official-style practice tests to help you pass on your first try — all free and built for real test-takers.

For Prospective Citizens

If you're considering becoming a US citizen, start here. Learn about eligibility, the benefits of citizenship, and how to apply.

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Why Become a US Citizen?

Explore the many benefits of U.S. citizenship — from voting rights and job access to protection from deportation and travel freedom.

Person with hand on heart during naturalization

Eligibility for US Citizenship

Understand the basic requirements like age, residency, English ability, and good moral character needed to apply for naturalization.

Naturalization Resources

Get all the essential resources to guide you through the naturalization process, from the application to the citizenship interview and tests.

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How to Apply for US Citizenship

Learn the full naturalization process, from Form N-400 to your oath ceremony, with checklists and practical tips at every step.

Preparing for Your Citizenship Interview

Discover how to prepare for your USCIS interview, including tips on answering questions and passing the English and civics tests.

Study for the US Citizenship Test

Practice the 100 official civics questions using our quizzes and resources modeled after the real naturalization test.

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Civics Test Studying Tips

Boost your chances of passing with study strategies, memorization aids, and planning tools tailored for adult learners.

For New Citizens

Congratulations! Now that you're a US citizen, explore important next steps such as obtaining a passport, registering to vote, and understanding your rights and responsibilities.