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Get the free USCIS Form N-400 Application for Naturalization

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What is N-400 Form

The USCIS Form N-400 is an application form used by individuals to apply for naturalization to become U.S. citizens.

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Who needs N-400 Form?

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N-400 Form is needed by:
  • Individuals seeking U.S. citizenship
  • Permanent residents applying for naturalization
  • People who meet residency and moral character requirements
  • Applicants prepared for English and civics tests
  • Individuals ready to submit supporting documents
  • Those within the eligibility age for naturalization

How to fill out the N-400 Form

  1. 1.
    To start, visit pdfFiller's website and locate the USCIS Form N-400 by utilizing the search bar or navigating through the government forms section.
  2. 2.
    Open the form by clicking on it in the search results, which will allow you to access the interactive PDF template.
  3. 3.
    Before filling out the form, gather the necessary information, including your personal details, immigration history, and any relevant documents to assist you.
  4. 4.
    Begin completing the fields in the form. Click on each blank field to input your information, using the provided instructions for clarity.
  5. 5.
    Utilize checkboxes for eligibility questions. Ensure to answer each question accurately to avoid delays in processing.
  6. 6.
    As you fill in the form, periodically review your entries for any mistakes or omissions. This ensures accuracy and compliance with the application requirements.
  7. 7.
    Once you have completed all sections, save your progress. Consider downloading the filled form for your records.
  8. 8.
    Final review is essential. Ensure all details are correct and all sections are complete before finalizing your submission.
  9. 9.
    To submit your completed form, follow pdfFiller’s provided options for submission, which may include electronically submitting it to USCIS or printing it for mail submission.
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FAQs

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Eligibility for Form N-400 includes being a permanent resident for at least 5 years (3 years if married to a U.S. citizen), demonstrating basic English proficiency, and showing good moral character.
You can submit your N-400 application either online through the USCIS website using an account or by mailing a printed version to the designated USCIS address for your area.
Supporting documents may include a copy of your Green Card, passport photos, marriage certificate (if applicable), and documents related to any arrests or legal issues.
Processing times can vary, but generally, USCIS takes about 8 to 12 months to process Form N-400, depending on their workload and the completeness of your application.
Yes, as of now, the fee for filing Form N-400 is $725, which includes the biometrics fee. Fee waivers may be available for eligible applicants.
Common mistakes include failing to answer all questions completely, providing inconsistent information, or neglecting to include required documentation, which can delay processing.
After submission, USCIS will acknowledge your application, schedule your biometrics appointment, and later inform you about an interview to determine your eligibility for naturalization.
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