N 400 form pdf 2026

1. Click ‘Get Form’ to open the N-400 form in the editor.
2. Begin with Part 1, where you will select your eligibility basis. Ensure you only check one box that applies to your situation.
3. In Part 2, provide your current legal name and any other names used since birth. Be thorough to avoid processing delays.
4. Complete Part 3 by filling in your biographic information, including ethnicity and physical characteristics.
5. For Part 4, list all addresses where you have lived in the last five years. If necessary, use additional space provided in Part 14.
6. Continue through Parts 5 to 9, providing details about marital history, children, employment, and any trips outside the U.S.
7. Finally, review your entries for accuracy before signing in Part 11 and submitting your application.

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