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Get the free USCIS Form N-400 Application for Naturalization

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What is USCIS N-400 Form

The USCIS Form N-400 is an immigration document used by individuals to apply for U.S. citizenship through naturalization.

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USCIS N-400 Form is needed by:
  • Permanent residents seeking citizenship
  • Individuals married to U.S. citizens
  • Green card holders with qualifying residency
  • Refugees and asylees applying for naturalization
  • Applicants requiring government assistance to complete the form

How to fill out the USCIS N-400 Form

  1. 1.
    To access the USCIS Form N-400, visit pdfFiller and use the search bar to find 'USCIS Form N-400'.
  2. 2.
    Once you have located the form, click on it to open it within the pdfFiller interface.
  3. 3.
    Before starting, gather necessary information including your residency history, personal details, and eligibility criteria.
  4. 4.
    Carefully navigate through each section of the form, filling out personal information such as your full name, address, and date of birth.
  5. 5.
    Use the provided fillable fields to complete required sections, ensuring all information is accurate and up to date.
  6. 6.
    If any fields are difficult to understand, refer to pdfFiller's help section for guidance or additional instructions.
  7. 7.
    Review each entry for completeness and accuracy before proceeding to the next section of the form.
  8. 8.
    Once all fields are filled, use the review option in pdfFiller to check the entire form for errors or missing information.
  9. 9.
    After your review, finalize the form by saving your progress and downloading a copy for your records.
  10. 10.
    To submit your completed USCIS Form N-400, follow the submission instructions indicated on the form, typically involving mailing to the appropriate USCIS office.
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FAQs

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Eligibility for filing the USCIS Form N-400 includes being a lawful permanent resident for at least five years, or three years if married to a U.S. citizen. You must also meet residency, physical presence, and good moral character criteria.
When submitting the N-400 application, you may need to include a copy of your green card, passport photos, and any additional documents that demonstrate your eligibility, such as marriage certificates or court records if applicable.
The completed USCIS Form N-400 should be mailed to the appropriate address indicated in the form instructions, depending on your residency state. Ensure you use a secure mailing method.
Common mistakes include leaving fields blank, not signing the form, providing incorrect information, and failing to include required documentation. Always double-check each section.
Processing times for the N-400 application can vary, generally ranging from six months to a year. It's important to check the USCIS website for current processing times relevant to your application.
Yes, you can track the status of your N-400 application via the USCIS online status tool by entering your receipt number. This allows you to stay informed throughout the process.
Yes, there is a fee to file the N-400 application. As of now, the fee is $725, which includes the application fee and biometrics fee. Fee waivers may be available for eligible applicants.
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