Oct 28, 2025 · Use this form to apply for naturalization if you meet the eligibility requirements. File Online. Check Naturalization Eligibility. Was this page helpful? Naturalization is the process to …

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 …

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 …

If you send USCIS a check, we will convert it into an electronic funds transfer (EFT). This means we will copy your check and use the account information on it to electronically debit your …

If your parent (including legal adoptive parent) is a U.S. citizen by birth, or was naturalized before you reached your 18th birthday, you may not need to file Form N-400 as you may already be a …

START HERE - Type or print in black ink. If you do not answer all of the questions, it may take longer for U.S. Citizenship and Immigration Services (USCIS) to process your Form N-400.

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.

You can obtain Form N-400 from the United States Citizenship and Immigration Services (USCIS) website or from an Immigration Services Officer (ISO). The form must be completed in English …

May 14, 2025 · Filling Out USCIS Form N-400 Application for Naturalization Line-by-line instructions for Form N-400, used in applying for U.S. citizenship.

Oct 24, 2025 · Learn how to fill out Form N-400. Find steps and helpful tips. Understand the questions and terms in the N400 citizenship application.