N-400 requirements and fees

General requirements

• Be a lawful permanent resident.
• Continuous residence: generally 5 years, or 3 years if married to a U.S. citizen.
• Physical presence and time in your state or USCIS district, as the law requires.
• Good moral character during the required period.
• Pass the English and civics tests, unless an exception applies.
• Attachment to the principles of the Constitution.

You may file up to 90 days before you complete the continuous residence period.

Fees (per USCIS)

These are government fees, separate from attorney fees. Always confirm on the official page before paying; fees change.

A practical benefit

Per USCIS, the N-400 receipt notice extends your green card for 2 years past the card's expiration date.

Documents commonly requested

• Copy of both sides of your green card.
• Marriage and divorce records, if applicable.
• For any arrest, citation or criminal case: official records for each incident, even if closed or expunged.
• Proof of residence if you took trips longer than 6 months.