Form N-400

Citizenship Eligibility Check

Find out if you are ready to apply for U.S. naturalization on Form N-400.

  • Free
  • 2 minutes
  • No signup required

The short answer

Who qualifies for U.S. citizenship?

You generally qualify for U.S. citizenship if you have been a lawful permanent resident for 5 years, or 3 years if you are married to and living with a U.S. citizen. You also need to meet the continuous residence, physical presence and good moral character requirements. You can file up to 90 days before you meet the residence requirement.

What USCIS asks for

What USCIS asks for

  • Be at least 18 years old
  • Be a permanent resident (green card holder)
  • Have held your green card for 5 years, or 3 years if married to a U.S. citizen
  • Meet continuous residence and physical presence requirements, check yours here
  • Be able to read, write and speak basic English

The check

What this citizenship eligibility check covers

  1. Your eligibility path (3-year vs 5-year)
  2. Earliest filing date (90-day early filing window)
  3. Continuous residence requirements
  4. Physical presence calculation
  5. Potential red flags (trips abroad, tax issues, criminal history)
  6. Required documents for your situation

Questions

Frequently asked questions

Related

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