Citizenship
Form N-400
Application for Naturalization
The form to apply for U.S. citizenship through naturalization. Requires meeting residency, physical presence, and good moral character requirements.
- Filing fee
- $760
- Biometrics
- No fee
Who can file
- LPRs with 5 years of permanent residence (or 3 years if married to a U.S. citizen)
- Must have continuous residence and physical presence in the U.S.
- Must demonstrate good moral character
- Must pass English and civics tests
Send with it
- Copy of green card (front and back)
- Passport-style photos
- Tax returns for the last 5 years (or 3 years)
- Travel history for the statutory period
- Court records for any arrests or citations
Worth knowing
- You can file up to 90 days before meeting the residency requirement
- Study for the civics test - if you filed on or after October 20, 2025 you take the 2025 test (128 questions, 20 asked, 12 correct to pass); earlier filings take the 2008 test (100 questions, 10 asked, 6 correct)
- Disclose all trips abroad - even short ones
- Bring originals of all documents to your interview
Common mistakes
- Filing too early before meeting residency requirements
- Not disclosing all foreign travel
- Failing to disclose arrests or criminal history
- Not studying for the civics and English tests
Questions
- How much does Form N-400 cost?
- The USCIS filing fee for Form N-400 is $760.
- How long does Form N-400 take?
- Typically 8 to 20 months, depending on the office and the category. Check the current USCIS times for your office before you plan around it.
Related forms
Fees are as published by USCIS. Confirm on USCIS's fee schedule (G-1055) before you pay - a wrong fee gets a filing rejected. General information, not legal advice.