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Legal· 6 min read

N-400 Naturalization — 2026 Filing Checklist

Most LPRs qualify after 5 years. Marriage-based applicants qualify after 3. The continuous residence rule trips up the most people.

N-400 turns a green card holder into a US citizen. The application is straightforward; the residency math, civics test, and good moral character review are where applications fail.

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