Selective Service checker
Most men aged 18 through 25 who live in the U.S. must register with Selective Service, including most immigrants. Answer three questions to see what the rules say for your group and the date that matters.
Why it matters. Registering is the law for men in the groups below, and the citizenship application (Form N-400) asks about it. Registering does not mean joining the military, and there is no draft today. This tool shows what Selective Service publishes; it does not decide anything about your case. General information, not legal advice.
Selective Service uses sex assigned at birth.
If you arrived at 18 to 25, the 30 days count from your arrival.
The rules in short
- Who registers: men aged 18 through 25 who live in the U.S.: U.S. citizens, green card holders, refugees, asylees and asylum seekers, parolees, undocumented men, and men whose visas expired more than 30 days ago.
- Who does not: men on a valid nonimmigrant visa (such as F-1 students or H-1B workers) while they keep that status.
- When: within 30 days of the 18th birthday, or within 30 days of arriving for men who come at 18 to 25. Late registration is accepted until the 26th birthday, never after.
- Coming change: a 2025 law makes registration automatic, using federal records. Selective Service plans to start it by December 2026. Until it starts, men still register themselves.
Read more in Selective Service for immigrants, and see your citizenship dates with the N-400 eligibility calculator.
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