VERIFIED OFFICIAL SOURCE

USCIS - Study for the Naturalization Test

uscis.gov

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Last checked2026-09-08

Source domainuscis.gov

Official source URLhttps://www.uscis.gov/citizenship/find-study-materials-and-resources/study-for-the-test

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USUnited States

How to Apply for U.S. Citizenship by Naturalization With Form N-400

Apply for U.S. citizenship with Form N-400, including eligibility, the 90-day early filing rule, current fees, required evidence, biometrics, interview, 2025 civics test and Oath o

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