Naturalization is the process for green card holders to become US citizens. It takes several months and several steps.
Basic eligibility:
- At least 18 years old
- Permanent resident for 5 years, or 3 years if married to and living with a US citizen
- Continuous residence and enough physical presence in the US
- Good moral character
- Basic English and knowledge of US history and government
Step by step:
- Check eligibility with the USCIS tool
- File Form N-400 online or by mail and pay the fee
- Attend biometrics
- Prepare for and attend the interview, including English and civics tests
- Receive a decision
- Take the Oath of Allegiance at a ceremony
Study for the civics test:
USCIS publishes the official civics questions and study materials. Check which test version applies to your filing date.
After the oath: You can apply for a US passport and register to vote.
