Oct 28, 2025 · N-400, Application for Naturalization Naturalization is the process of becoming a U.S. citizen if you were born outside of the United States. Use this form to apply for naturalization if you …

Find out if you are eligible to become a U.S. citizen, how to apply with USCIS Form N-400, and how to prepare for an interview and naturalization test.

We will automatically calculate the cost for you before you submit your application. See Form G-1055, available at www.uscis.gov/g-1055, for specific information about the fees applicable to this form.

Form N-400, Application for Naturalization, is an application to become a naturalized U.S. citizen. If your biological or legal adoptive mother or father is a U.S. citizen by birth, or was naturalized before you …

Read this guide to Form N-400 for your U.S. citizenship application and understand the legal intricacies and requirements for a successful citizenship journey.

If your application is approved, you will be scheduled for a naturalization ceremony at which time you will be required to take the following Oath of Allegiance immediately prior to becoming a naturalized citizen.

On April 1, 2024, United States Citizenship and Immigration Services (“USCIS”) released a new version of Form N-400, Application for Naturalization. The new edition includes some welcome changes to …