Form preview

Get the free USCIS N-400 Naturalization Application

Get Form
We are not affiliated with any brand or entity on this form
Illustration
Fill out
Complete the form online in a simple drag-and-drop editor.
Illustration
eSign
Add your legally binding signature or send the form for signing.
Illustration
Share
Share the form via a link, letting anyone fill it out from any device.
Illustration
Export
Download, print, email, or move the form to your cloud storage.

Why pdfFiller is the best tool for your documents and forms

GDPR
AICPA SOC 2
PCI
HIPAA
CCPA
FDA

End-to-end document management

From editing and signing to collaboration and tracking, pdfFiller has everything you need to get your documents done quickly and efficiently.

Accessible from anywhere

pdfFiller is fully cloud-based. This means you can edit, sign, and share documents from anywhere using your computer, smartphone, or tablet.

Secure and compliant

pdfFiller lets you securely manage documents following global laws like ESIGN, CCPA, and GDPR. It's also HIPAA and SOC 2 compliant.
Form preview

What is N-400 Form

The USCIS N-400 Naturalization Application is a government form used by individuals to apply for U.S. citizenship through naturalization.

pdfFiller scores top ratings on review platforms

Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Show more Show less
Fill fillable N-400 form: Try Risk Free
Rate free N-400 form
4.0
satisfied
57 votes

Who needs N-400 Form?

Explore how professionals across industries use pdfFiller.
Picture
N-400 Form is needed by:
  • Individuals seeking U.S. citizenship through naturalization
  • Permanent residents eligible for naturalization
  • Immigrants with a valid USCIS A-Number
  • Applicants needing to document residency history
  • Those looking to understand the naturalization process
  • Legal representatives assisting in citizenship applications

Comprehensive Guide to N-400 Form

What is the USCIS N-400 Naturalization Application?

The USCIS N-400 Naturalization Application is a critical form for individuals aspiring to become U.S. citizens through the naturalization process. This application serves as the formal request to the U.S. Citizenship and Immigration Services (USCIS) to evaluate eligibility based on various criteria, including personal history, residency, and employment.
Completed applications must include comprehensive information, which typically encompasses personal details, residency history, and employment records. The accuracy and completeness of this form are paramount for a successful citizenship application.

Purpose and Benefits of the USCIS N-400 Naturalization Application

Completing the USCIS N-400 form is crucial for any applicant seeking citizenship. One of the primary advantages of becoming a U.S. citizen includes gaining access to rights and responsibilities that may not be available to permanent residents, such as the right to vote.
Furthermore, accurately filling out the N-400 can expedite the citizenship process. Ensuring that all requirements are clearly understood before submission can prevent delays and increase the likelihood of approval.

Eligibility Criteria for the USCIS N-400 Naturalization Application

To apply with the USCIS N-400 Naturalization Application, candidates must meet specific eligibility criteria. Generally, applicants must be at least 18 years old, have maintained a residence in the U.S. for the required period, and demonstrate good moral character.
  • Age: Must be 18 years or older.
  • Residency: Must have lived in the U.S. for at least five years (or three years if married to a U.S. citizen).
  • Moral Character: Must demonstrate good moral character.
Additionally, certain circumstances, such as criminal convictions or failure to meet residency requirements, may disqualify a candidate from applying.

How to Fill Out the USCIS N-400 Naturalization Application Online

Filling out the N-400 form online can be a straightforward process when following a structured approach. First, access the N-400 form through pdfFiller for a digital experience that simplifies entry and editing.
Key sections to focus on include:
  • Personal Information
  • Residency History
  • Employment Details
Utilizing pdfFiller allows applicants to dynamically fill out the form, making corrections as needed before final submission, thereby enhancing accuracy.

Common Errors and How to Avoid Them When Filling the N-400 Form

Applicants often make several common errors that can hinder their naturalization process. Frequently encountered mistakes include providing incomplete information or submitting incorrect documentation.
  • Double-check all personal information for accuracy.
  • Ensure documentation is complete, relevant, and supports your application.
Using digital solutions like pdfFiller aids in minimizing these errors by allowing you to review and validate your application before submission.

Required Documents and Supporting Materials for the N-400 Application

Alongside the N-400 form, several essential documents must be submitted to USCIS. Key documents often include proof of residency, your USCIS Alien Registration Number (A-Number), and your Social Security Number.
  • Proof of residency (e.g., utility bills, lease agreements)
  • USCIS A-Number
  • Social Security Number
Organizing these documents effectively not only supports your application but also provides clarity during the review process.

Submission Methods for the USCIS N-400 Naturalization Application

Once the N-400 form is completed, applicants must know the available submission methods. You can submit the form online or by mail, depending on your preference and circumstances.
  • Online submission through the USCIS website.
  • Mail the completed form to the designated USCIS address.
Be aware that there are specific fees associated with the submission process, and applicants should familiarize themselves with payment methods available through USCIS.

Tracking Your USCIS N-400 Naturalization Application Status

After submitting the USCIS N-400 application, it is important for applicants to track their application status. USCIS provides online portals that allow you to monitor the current status of your application.
You can expect notifications regarding processing times and other important updates. Staying informed through these channels is essential for effectively managing your application journey.

Utilizing pdfFiller for Your USCIS N-400 Naturalization Application

pdfFiller is a valuable tool for individuals completing the USCIS N-400 application, simplifying the process through its robust features. The platform offers capabilities for editing, filling, and securely signing forms, ensuring a smooth experience.
Moreover, pdfFiller employs strong security measures to protect sensitive documents, providing peace of mind as you manage your application. Users are encouraged to create an account and take advantage of the tools available for a seamless application process.

Next Steps After Completing Your USCIS N-400 Naturalization Application

Following the submission of your USCIS N-400 application, be prepared for potential follow-up requests from USCIS. These requests may require additional documentation or clarification on specific aspects of your application.
In parallel, applicants should start preparing for the naturalization interview, which is a crucial next step in the citizenship process. Keeping meticulous records of all submitted materials will aid in both the interview preparation and any requests for information from USCIS.
Last updated on Mar 6, 2014

How to fill out the N-400 Form

  1. 1.
    Access the USCIS N-400 Naturalization Application on pdfFiller by searching for the form name in the platform's search bar.
  2. 2.
    Open the form and familiarize yourself with the layout, including sections on personal information, residency history, and employment details.
  3. 3.
    Before starting, gather your USCIS A-Number, Social Security Number, and all relevant personal documents to fill out the necessary fields accurately.
  4. 4.
    Begin completing the form by clicking on the blank fields. Use pdfFiller’s text tool to input your information where required.
  5. 5.
    For sections requiring checkboxes, simply click on the checkbox to ensure your selections are visible. Make sure to include your marital history and any criminal record details.
  6. 6.
    Once you have filled out all the sections, review your entries to confirm that all information is correct and complete.
  7. 7.
    After reviewing, use the pdfFiller tools to finalize the form ensuring all required fields are accurately filled and signed.
  8. 8.
    Save your completed form in your pdfFiller account, and you also have the option to download it or submit electronically through the platform.
Regular content decoration

FAQs

If you can't find what you're looking for, please contact us anytime!
To be eligible for the N-400 form, you must be a permanent resident, have lived in the U.S. for the required time, meet residency and physical presence requirements, and have good moral character.
You will need to submit copies of your permanent resident card, marriage certificate (if applicable), and documents demonstrating your residency and employment history as part of the N-400 application process.
You can submit the completed N-400 form either electronically through the USCIS website or via mail. Check the USCIS site for specific guidelines and mailing addresses based on your location.
Processing times for the N-400 application can vary, but applicants should expect it to take several months. Check the USCIS website for updated processing times specific to your local USCIS field office.
Common mistakes include leaving fields blank, providing incorrect information, and failing to sign the application. Double-check all entries to ensure accuracy before submission.
Yes, there is a fee for processing the N-400 application. Check the USCIS website for the most current fee information and potential waivers based on income.
Yes, applicants can check the status of their N-400 application online on the USCIS website using their receipt number issued upon submission.
If you believe that this page should be taken down, please follow our DMCA take down process here .
This form may include fields for payment information. Data entered in these fields is not covered by PCI DSS compliance.