Find the earliest date you can file Form N-400 for US citizenship, and check your physical presence and continuous residence.

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The main N-400 requirements

5-year path 3-year path (married to a US citizen)
Time as a permanent resident 5 years 3 years
Physical presence in the US 30 months (913 days) 18 months (548 days)
Early filing Up to 90 days before Up to 90 days before
Time in your state or USCIS district 3 months 3 months

Continuous residence

Example

If your green card date is 6 January 2022 on the 5-year path, your 5-year anniversary is 6 January 2027 and you can file from 8 October 2026.

You’ll also need to pass the English and civics tests at your interview and show good moral character.

Frequently asked questions

When can I apply for US citizenship?

Up to 90 days before your 5-year green card anniversary, or 3 years if married to and living with a US citizen.

How many days do I need in the US?

At least 913 days in the last 5 years, or 548 days on the 3-year path.

Does a 7-month trip break continuous residence?

It’s presumed to, but you can rebut that with evidence of strong ties to the US.

Do the days I leave and return count?

Yes. USCIS counts days you depart and return as days in the US.

Sources

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