N-400 Date Calculator — Estimate When You Can Apply

This does the math USCIS expects you to already know: 5 years as a permanent resident for most people, or 3 years if you've been married to and living with a US citizen the whole time. Enter your green card date below.

The date you became a permanent resident (from your green card)

Have you been married to, and living with, a US citizen for that whole time?

Check the date — it doesn't look valid.

You can file Form N-400 as early as

⚠️ This is a date calculator, not an eligibility determination. Only USCIS decides whether you qualify, and only a licensed immigration attorney or a DOJ-accredited representative can advise you on your own case. This covers continuous residence timing only: you separately need to meet the physical presence requirement — actual days spent in the US — and long trips abroad can move the date itself. See our full green card timeline guide, and confirm everything at uscis.gov/n-400.

Want us to remind you?

Leave your email and we’ll send you one message on that date — the day you can start filing. Nothing else, and you can unsubscribe anytime. To send it we store that date, your email and the first name you give us — nothing else about your case. How we handle your email.

✓ Done — we’ll email you once, when your filing window opens.

The test isn't going anywhere.

Almost American works the same whether your date is next month or in 5 years — start whenever, keep your streak whenever.

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Educational tool only — not immigration legal advice. This calculator assumes no gaps in continuous residence. If you've had a trip of 6 months or longer, confirm your exact eligibility date with uscis.gov/n-400 or a licensed immigration attorney before filing.

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