Application for Certificate of Citizenship
Obtain a certificate proving U.S. citizenship acquired or derived through a U.S. citizen parent.
When this applies to you
- You were born outside the United States to at least one U.S. citizen parent
- You became a citizen automatically before age 18 through a parent's naturalization
- You need official proof of citizenship for a passport, a job, or benefits
- You do not already hold a Certificate of Citizenship
Documents you'll need
You upload these while filling out the form. You can start now and add them as you go.
- Applicant's birth certificate
- U.S. citizen parent's proof of citizenship
Parent's U.S. passport, naturalization certificate, or U.S. birth certificate.
- Parents' marriage certificate (if applicable)Optional
- Green Card — front (if applicable)Optional
- Green Card — back (if applicable)Optional
Skip this if the file above already shows both sides.
- Two passport-style photosOptional
How the filing works
- 16 guided sections in your language. We only ask the questions that apply to you.
- Your answers are saved as you go, so you can stop and come back
- We fill the official USCIS PDF and you sign it online