Blog & Resources
2/17/2026

Citizenship Through Marriage: Eligibility, Timing, and Interview Tips

Citizenship Through Marriage: Eligibility, Timing, and Interview Tips

The 3-year rule

  • Many spouses of U.S. citizens can apply after three years as a permanent resident.
  • The marriage must be bona fide and ongoing.
  • Applicants must meet continuous residence and physical presence requirements.

Eligibility checklist

  • You must be living in marital union with the U.S. citizen spouse.
  • You need evidence of shared life such as leases, accounts, or children’s records.
  • Good moral character is required.

Timing and filing strategy

  • You may file up to 90 days before reaching the three-year mark.
  • Consider travel history and any long absences before filing.
  • A legal review can help confirm timing accuracy.

Interview preparation

  • Review your N-400 carefully for consistency with prior filings.
  • Bring updated marital evidence and joint documents.
  • Practice English and civics questions if required.

Red flags and how to avoid them

  • Prior immigration violations or criminal history require careful analysis.
  • Inconsistencies between applications can lead to scrutiny.
  • Legal counsel can help present a clear, credible case.

Immigration consultations available, subject to attorney review.

Citizenship Through Marriage: Eligibility, Timing, and Interview Tips | New Horizons Legal