Certificate of Citizenship: Proof of U.S. Citizenship for Individuals Born Abroad
A Certificate of Citizenship is an official document issued by USCIS to prove U.S. citizenship for individuals born abroad to U.S. parents or those who obtained citizenship through naturalization.
Who Needs a Certificate of Citizenship?
- Children Born to U.S. Citizens Abroad – If at least one parent is a U.S. citizen.
- Adopted Children of U.S. Citizens – If citizenship is granted after adoption.
- Individuals Who Derived Citizenship – Children automatically gaining U.S. citizenship when a parent naturalizes.
How to Apply for a Certificate of Citizenship
- File Form N-600 (Application for Certificate of Citizenship) with USCIS.
- Provide proof of parental citizenship, birth records, and identity verification.
- Pay the required processing fee.
Frequently Asked Questions
What is the difference between a Certificate of Citizenship and a naturalization certificate?
A Certificate of Citizenship (Form N-600) is issued to those who derived or obtained citizenship through a parent or through other means, while a naturalization certificate (Form N-445) is issued to individuals who completed the formal naturalization process after immigrating to the U.S.
How long does it take to receive a Certificate of Citizenship?
Processing times vary by USCIS workload but typically range from 6 to 12 months. You can check your application status online using your receipt number.
Can I use a Certificate of Citizenship to obtain a U.S. passport?
Yes, a Certificate of Citizenship is an acceptable document for applying for a U.S. passport at most State Department facilities and passport acceptance agencies.
What if I was born abroad but my parents were not U.S. citizens at the time?
You may still be eligible for citizenship if your parents later naturalized, or if you derived citizenship through other means such as adoption by U.S. citizens. Consult with an immigration attorney to determine your eligibility.
Is the Certificate of Citizenship valid for life?
Yes, once issued, a Certificate of Citizenship is valid for life and does not expire. However, you should keep it in a safe place as replacement certificates can take time to obtain.
Related Terms
Dual Citizenship Documentation | Name Change Certificate | Census Records
Last updated April 2026.