Direct links to the USCIS forms you may need for naturalization, what each one is for, and where to confirm today’s fees and processing times. Fees and times change, so the dollar amounts and estimates live on USCIS — linked below — rather than being hardcoded here.
The main form is N-400. The others apply only in specific situations (disability exception, fee help, appeals, replacements). Always download the current edition from USCIS — older editions can be rejected.
The main application to become a U.S. citizen.
When: When you meet the eligibility requirements — you can file up to 90 days early.Open N-400 on USCIS →Requests an exception to the English and/or civics requirements for a qualifying disability.
When: Filed with your N-400, completed by a licensed medical professional.Open N-648 on USCIS →Asks USCIS to waive the filing fee based on income or hardship.
When: If you cannot afford the N-400 fee and meet the criteria.Open I-912 on USCIS →Asks USCIS to reduce the N-400 filing fee for moderate-income applicants.
When: If your household income is within the qualifying range.Open I-942 on USCIS →Gets a text/email when USCIS accepts your paper filing.
When: Optional, clipped to the front of a mailed N-400.Open G-1145 on USCIS →Lets you pay a paper-filing fee by credit card.
When: Optional, included with a mailed N-400.Open G-1450 on USCIS →Reports a new address to USCIS (required within 10 days of moving).
When: Any time you move while your case is pending.Open AR-11 on USCIS →Appeals a denied N-400 to request a hearing with a different officer.
When: Within 30 days of a denial.Open N-336 on USCIS →Replaces a lost, stolen, or damaged Certificate of Naturalization.
When: After naturalization, if your certificate is lost or needs correction.Open N-565 on USCIS →Documents citizenship for someone who is already a citizen (e.g., through parents).
When: If you acquired or derived citizenship and need proof.Open N-600 on USCIS →The N-400 filing fee (and whether a separate biometric fee applies) depends on your filing method and category and is updated periodically by USCIS. Confirm today’s exact amount before you file:
Naturalization often takes several months to over a year, varying by field office. Check the current estimate with the official USCIS Processing Times tool and track your specific case in your USCIS online account. Recent operational or policy changes show up in USCIS News & Alerts.
Study all 128 questions and check exactly when you can file the N-400.
