Oct 28, 2025 · 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 meet the eligibility requirements.

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.

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 …

Please refer to the instructions for the form(s) you are filing for additional information or you may call the USCIS Contact Center at 800 -375-5283. For TTY (deaf or hard of hearing) 800767- …

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.

Sep 30, 2022 · I further authorize release of information contained in this application, in supporting documents, and in my USCIS records to other entities and persons where …

Explore the Form N-400 application process. Learn eligibility, requirements, and how to apply for citizenship through naturalization.

As a lawful permanent resident, you may be eligible to become a U.S. citizen through naturalization. Check your eligibility for naturalization.

Become a U.S. Citizen: Free, Safe, and Simple. It should be easy to apply for citizenship. Our interview makes the citizenship form simple. We guide you through the application from start …

Dec 8, 2025 · Everyone applying for U.S. citizenship through the process known as naturalization must fill out Form N-400, Application for Naturalization, prepared by U.S. Citizenship and …