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How to Apply for U.S. Citizenship

Learn the steps for becoming a U.S. citizen including how to apply, sample test questions and what is the naturalization process. Also, find information on dual citizenship, how to get proof of your U.S. citizenship if you were born abroad or replace your lost or stolen citizenship certificate.

about the general naturalization process.

To become a U.S. citizen, you must:

  • Have had a for at least five years, or for at least three years if you’re .

    • Đang chơi bàiYou must renew your Permanent Resident Card before applying for citizenship if:

  • Your card will expire within six months of applying, or

  • Your card has already expired

  • Đang chơi bàiYou can apply for naturalization before you receive your new Green Card. But, you’ll need to submit a photocopy of the receipt for your , when you receive it. 

  • Đang chơi bàiMeet certain . To see if you’re eligible, click on the link that is most similar to your situation. Some requirements may include being:

    • Đang chơi bàiAt least 18 years old when you apply 

    • Đang chơi bàiAble to read, write, and speak basic English

    • Đang chơi bàiOf good moral character

  • Đang chơi bàiGo through the which includes:

    • Determining your eligibility to become an American citizen

    • Completing , the application for naturalization, and . 

    • Taking the U.S. Naturalization Test and having a personal interview. Note: The civics portion of the test has changed. If you applied for naturalization after December 1, 2020, you must take the .

    • If you filed for naturalization before December 1, 2020, you must take the . 

Helpful Resources For Citizenship

  • Đang chơi bàiThis video

  • The

Take the U.S. Naturalization Test

One of the requirements in the naturalization process is taking the . The Naturalization Test has two components: a civics test and an English test.

Study Resources for the 2008 and 2020 Versions of the Civics Test

Visit the

Find .

  • (with MP3 audio)

  • Đang chơi bài - Study tool to help you test your knowledge of U.S. history and government. 


  • You were born abroad to U.S. citizen parents, and 

  • Your parents did not get a for you before you turned 18.  

Foreign nationals receive a Certificate of Naturalization when they become American citizens. Get certified .

Replace Your Citizenship or Naturalization Certificates

if it was lost or stolen using .

If you have further questions, contact U.S. Citizenship and Immigration Services (USCIS).

means a person may be a citizen of the United States and of another country at the same time. U.S. law does not require a person to choose one citizenship or another.

If you're a citizen of another country, contact that for information about its:

  • Laws

  • Policies

  • Đang chơi bàiMandatory military service

Đang chơi bàiFor information on dual nationality from the point of view of another country, contact that .  

If you have dual citizenship and plan to travel to or from the United States, you must use a U.S. passport to enter and leave the United States.

Information about giving up or losing your U.S. citizenship Đang chơi bàiis also available.

A licensed attorney skilled in citizenship matters can assist you with questions about your situation. A can often provide a good referral.

with your name and what years they searched for your birth certificate.
  • A Letter of No Record from the vital records office. You will also need to prove your birth in the United States.
  • Đang chơi bàiIf you were born outside the United States and your U.S. parent(s) did not register your birth at the , you may apply for a U.S. passport, but you will need:

    • Your foreign birth record showing your parents' names
    • Evidence of your parent(s) U.S. citizenship
    • Your parents' marriage certificate

    If you were born outside the U.S. and your U.S. parent(s) registered your birth with a U.S. Embassy, the U.S. Department of State (DOS) will be able to help you get a copy of a  (Form FS-240).

    in that country.

    • If your birth was recorded before your 18th birthday, the Embassy or consulate issued your parent(s) a document that is proof of your U.S. citizenship. This document is known as a (CRBA or Form FS-240). Learn how to request from the U.S. Department of State (DOS).

    • Đang chơi bàiIf the Embassy or consulate did not issue a CRBA and you are 18 years of age or older, learn how to get a from U.S. Citizenship and Immigration Services (USCIS).

    Learn more about .

    Pathway to Citizenship steps.See description of infographic below.
    • For an adult immigrant to become  a U.S. citizen, he or she must go through the process of naturalization. GENERAL requirements for naturalization call for the immigrant to:

      • Be at least 18 years old at the time of filing the Application for Naturalization, Form N-400

      • Be lawfully admitted permanent resident of the United States

      At the time of the filing the application, have been a permanent resident in the United States for at least for five years OR for at least three years if you meet all eligibility requirements to file as a spouse of a United States citizen

      • Đang chơi bàiHave demonstrated continuous permanent residence

      • Have demonstrated physical presence

      • Đang chơi bàiHave lived within the State or United States Citizenship and Immigration Services District for at least three months prior to filing

      • Have demonstrated good moral character

      • Demonstrate an attachment to the principles and ideals of the U.S. Constitution

      • Demonstrate an ability to read, write, speak and understand basic English

      • Demonstrate a basic knowledge of  U.S. history, government, and civic principles

      • Take an oath of allegiance to the United States

      • Đang chơi bàiReceive a Certificate of Naturalization

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    Last Updated: November 6, 2020