A Guide to Naturalization
Authored By: U.S. Citizenship and Immigration Services (USCIS)
U.S. Citizenship and Immigration Services (USCIS) created this Guide to provide better and more consistent information to people interested in naturalization. It is written mainly for people 18 years or older who want to become citizens. Please take the time to review this information to make sure that you are eligible to apply for naturalization. You can find more information at www.uscis.gov or by calling Customer Service at 1-800-375-5283 or 1-800-767-1833 (for hearing impaired).