Form N-400: Application for Naturalization

About this Form:

Form N-400 is an application to become a naturalized U.S. citizen. Fill out this form in black ink only.

How do I fill out Form N-400?

There are 18 parts of this form to complete. Start with Part 1, information about your eligibility. Select the box that applies to you and be sure you only select one box. Part 2 is looking for information about you, the person applying for naturalization. On Item Number 1 enter your current legal name, which is the name on your birth certificate unless it changed after birth by a legal action such as marriage or a court order. For item number 2 enter your name exactly as it appears on your permanent resident card. Print your name exactly as it appears on your permanent resident card even if it is misspelled or has changed through marriage, divorce, or other court order since you received your card. Enter “N/A” if you do not have a permanent resident card. Item Number 3 ask for other names you have used since birth (include nicknames, aliases, and maiden name, if applicable). If you have used any other names or aliases, provide them in this section. If you need extra space to complete this section, use a separate sheet of paper. Item Number 4 is optional and wants to know if you want to change your name. A court can allow you to change your name when you are naturalized. Any name change you request on this application will not be final until you are naturalized by the court. If you want the court to change your name at your naturalization oath ceremony, select “Yes” and complete this section. You do not need to request a name change if your name has changed through marriage, divorce, or other court order. For Item Number 5 enter your U.S. Social Security Number if you have one. Provide your U.S. Social Security number or enter “N/A” if you do not have one. Item Number 6 wants you to enter your USCIS Online Account Number if you have one. If you have previously filed an application, petition, or request using the USCIS online filing system provide the USCIS Online Account Number you were issued by the system. You can find your USCIS Online Account Number by logging in to your account and going to the profile page. If you previously filed certain applications, petitions, or requests on a paper form via a USCIS Lockbox facility, you may have received a USCIS Online Account Access Notice issuing you a USCIS Online Account Number. If you received this notice, your USCIS Online Account Number can be found at the top. If you were issued a USCIS Online Account Number, enter it in the space provided. Please note that the USCIS Online Account Number is not the same as an A-Number. Item Number 7 wants you to indicate your gender: male or female. Item Number 8 wants you to enter your date of birth. Always use eight numbers to show your date of birth. Enter the date in this order: Month, Day, Year. For example, for May 1, 1958 enter it as 05/01/1958. Item Number 9 is asking for the date you became a lawful permanent resident if that applies to you. Provide the official date when your permanent residence began as shown on your Permanent Resident Card. Enter the date in this order: Month, Day, Year. For example, for May 1, 1958 enter it as 05/01/1958. Item Number 10 is asking for you country of birth. Enter the name of the country you were born. Use the name of the country at the time of your birth, even if the name of the country has changed. For item number 11 enter your country of citizenship or nationality. Enter the name of the country as it currently exists, where you are currently a citizen or national. If the country no longer exists, enter the current name of the country with current authority. If you are stateless, enter the name of the country, as it currently exists, where you were last a citizen or national. If you are a citizen or national of more than one country, enter the name of the foreign country that issued your last passport. Item Number 12 wants to know if you have a physical or developmental disability or mental impairment that prevents you from demonstrating your knowledge and understanding of the English language and/or civics requirements for naturalization? Choose “Yes” if you are requesting an exception to the English language and/or civics tests based on a physical or developmental disability or mental impairment that prevents you from complying with the English language and/or civics requirements for naturalization. Submit Form N-648, Medical Certification for Disability Exceptions, as an attachment to your Form N-400. Item Number 13 will determine if you are exempt from the English language test. Depending on your age and the length of time you have been a lawful permanent resident, you may not be required to take the English language test. Part 3 is for people who need accommodations with Disabilities and/or Impairments. Reasonable accommodations vary with each disability and/or impairment. They may involve modifications to practices or procedures. There are various types of reasonable accommodations that USCIS may offer. Examples include but are not limited to: 1. If you are deaf or hard of hearing, USCIS may provide you with a sign-language interpreter at an interview or other immigration benefit-related appointment; 2. If you are blind or have low vision, USCIS may permit you to take a test orally rather than in writing; or 3. If you are unable to travel to a designated USCIS location for an interview, USCIS may visit you at your home or hospital to conduct the naturalization interview. If you believe that you need USCIS to accommodate your disability and/or impairment, choose “Yes” and then any applicable box in Items A. - C. in Item Number 1. that describes the nature of your disabilities and/or impairments. In the lines below, describe the types of accommodations you are requesting. If you are requesting a sign language interpreter, indicate for which language (American, Spanish, etc... Sign Language). On Item C. in Item Number 1. of this application, indicate whether you use a wheelchair so the agency can better prepare for your visit. Part 4 is asking for your contact information. Provide your current telephone numbers as well as your current email address. Type or print “N/A” if an item is not applicable or if the answer is “none”. If you are hearing impaired and use a TTY telephone connection, indicate this by writing “TTY” after the telephone number. Part 5 wants you to list every address where you have lived during the last 5 years, including other countries prior to filing your Form N-400. Start with where you live now, and then include the dates for each place you have lived in a month, day, and year format. For example, enter May 1, 1998 to June 1, 1999 as 05/01/1998 to 06/01/1999. Provide your mailing address if it is different from your current address. Provide “In Care Of Name” information, if this applies to you. If you do not have a State or Province, enter the name of your city again in that box. If you do not have a ZIP or Postal Code, enter “00000” in the ZIP or Postal Code box. Part 6 is asking for iInformation about your parents If neither of your parents is a United States citizen, skip this part and go to Part 7. Otherwise, complete Item Numbers 1., 2., and 3. in Part 6. Select “No” if your mother or father are not U.S. citizens and proceed to the next Item Number or Part as directed on the form. If one or both of your parents is a U.S. citizen, select “Yes” and complete Items A. - E. in Item Number 2. (mother’s citizenship) and Items A. - E. in Item Number 3. (father’s citizenship) in Part 6. Part 7 needs you to provide your biographic information. Item Numbers 1 and 2 ask for your ethnicity and race. Select the boxes that best describe your ethnicity and race. For item number 3 enter your height. Select the values that best match your height in feet and inches. For example, if you are five feet and nine inches, select “5” for feet and “09” for inches. Item Number 4 ask for your weight. Enter your weight in pounds. If you do not know your weight, or need to enter a weight under 30 pounds or over 699 pounds, enter “000.” Item Number 5 is asking for your eye color. Check the box that best describes the color of your eyes. Finally, finish part 7 by selecting your hair color in item number 6. Check the box that best describes your hair color. Part 8 is about your employment and schools you have attended. List where you have worked or attended school full time or part time during the last 5 years. Provide information for the complete time period. Include all military, police, and/or intelligence service. Begin by providing information about your current and most recent employment, studies, or unemployment, if applicable. Provide the locations and dates where you worked, were self-employed, were unemployed, or have studied during the last 5 years. If you worked for yourself, write “self-employed.” If you were unemployed, write “unemployed.” Part 9 Want to know if you have spent any time outside the United States. For item number 1. enter the total number of days (24 hours or longer) you spent outside the United States during the last 5 years. For item number 2 enter the total number of trips (24 hours or longer) you have taken outside the United States during the last 5 years. Finally, for item number 3 enter your information for every trip (24 hours or longer) you have taken outside the United States during the last 5 years. Start with your most recent trip and work backwards. Part 10 is about your marital history. For item number 1 enter your marital status. Select your marital status on the date you file your Form N-400. If you are single and have never been married, go to Part 11. For item number 2, if you are married, indicate if your spouse is a current member of the U.S. Armed Forces. Item Number 3 want to know how many times have you been married (including annulled marriages, marriages to other people, and marriages to the same person). Enter the number of times you were married. If you were married to the same person more than one time, count each time as a separate marriage. For item 4 enter if you are now married, and provide the requested information about your current spouse. Item Number 5 want to know if your current spouse a U.S. citizen. Check the correct box to indicate whether your current spouse is a U.S. citizen. For Item Number 6, select the box that indicates when your spouse became a U.S. citizen and provide the date he or she became a U.S. citizen. Item Number 7 as you to provide the requested information if your spouse is not a U.S. citizen. Item Number 8 want to know how many times has your current spouse been married (including annulled marriages, marriages to other people, and marriages to the same person). Please note that if your current spouse has been married before, provide the following information about your current spouse’s prior spouse including your current spouse’s prior spouse’s full legal name, immigration status (if known), date of birth, country of birth, country of citizenship or nationality, date of marriage with prior spouse, date marriage ended with prior spouse, and how the marriage ended with prior spouse. If your current spouse had more than one previous marriage, use a separate sheet of paper to provide the information requested. If your spouse was married to the same person more than one time, provide the requested information about each marriage separately. Item Number 9 want information regarding if you were married before. Enter the requested information about your prior spouse including full legal name, immigration status (if known), date of birth, country of birth, country of citizenship or nationality, date of marriage with prior spouse, date marriage ended with prior spouse, and how the marriage ended with prior spouse. If you have more than one previous marriage, provide that information on a separate sheet of paper. If you were married to the same person more than one time, provide the requested information about each marriage separately. Part 11 covers information about your children. For item number 1, indicate your total number of children. Count all of your children, including if they are alive, missing, deceased; born in other countries or in the United States; under 18 years of age or over 18 years of age; married or unmarried; living with you or elsewhere; current stepchildren; legally adopted children; or children born when you were not married. Item Number 2 ask you to provide information about all your children listed in Item Number 1., regardless of age. If you need it, use a separate sheet of paper to provide the information requested. The following information is needed for each child: the child’s current legal name; A-Number (if applicable); date of birth; country of birth (type or print the name of the country at the time of your child’s birth, even if the name changed); relationship to you (for example, biological child, stepchild, legally adopted child); and current address. If your son or daughter is living with you, type or print “Child Residing With Me” in the space provided for the child’s address; If your son or daughter is not living with you, type or print the address where your child resides; or If your son or daughter is missing or deceased, type or print “Child Missing” or “Child Deceased” in the space provided for the address. Part 12 is asking for additional information about you, the person applying for naturalization. Item Numbers 1-50 are yes or no questions. Check the correct box for each question. If you answer “Yes” to any of the questions 1-44, include a typed or printed explanation on a separate sheet of paper. You may also provide evidence to support your answers. If you answer “No” to any question in Item Numbers 45-50, include a typed or printed explanation on a separate sheet of paper. Part 13 is your statements, certifications, and signature. Item Numbers 1- 6 want you to indicate whether you read this application yourself or whether you had an interpreter assist you. Check the correct box. Then, sign and date this application. Part 14 wants your interpreter’s contact information, certification, and signature. Answer item numbers 1-7 regarding your interpreter. If you used anyone as an interpreter to read the Instructions and questions on this application to you in a language in which you are fluent, the interpreter must fill out this section, provide his or her name, the name and address of his or her business or organization (if any), their daytime telephone number, their mobile telephone number(if any), and their email address. The interpreter must also sign and date the application. Part 15 wants the contact information, declaration, and signature of the person preparing this application, if it was someone other than the applicant. The preparer should answer iItem numbers 1-8, and contain the signature of the person who completed your application, if other than the applicant. If the same individual acted as your interpreter and your preparer, that person should complete both part 14 and part 15. If the person who completed this application is associated with a business or organization, that person should complete the business or organization name and address information. Anyone who helped you complete this application must sign and date the application. Do not complete Parts 16, 17, or 18 until a USCIS Officer instructs you to do so at the interview.  

Form N-400: Application for Naturalization: FAQs

  • Form N-400 is an application to become a naturalized U.S. citizen.

  • Form N-400 must be filled in black ink only.

  • The filing fee for Form N-400 is $640. There may also be an $85 biometric fee where applicable.

  • Applicants 75 years of age or older do not need to pay the biometric fee for Form N-400.

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