Research hub

Citizenship

Research N-400 naturalization, derived citizenship, travel history, good moral character, and citizenship interview questions.

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Derived Citizenship Lawyer Guide

This guide focuses on citizenship through parents, proof records, certificates, passports, and complex family history.

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N-400 Naturalization Lawyer Guide

This guide focuses on citizenship eligibility, continuous residence, good moral character, interview, and oath issues.

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Next step for readers

  • Find the agency document in front of you.
  • Open the matching form, problem, city, or checklist page.
  • Confirm current instructions through an official government source.
  • Use a licensed attorney or accredited representative for fact-specific advice.

What not to assume

  • A page about one form does not mean that form is right for every reader.
  • A city page does not mean the site endorses a specific local lawyer.
  • Processing-time examples are not promises.
  • Official instructions and personal facts control the final strategy.