✍️ How to Register for the Selective Service
Register with the Selective Service as required for men at age 18.
💰
Free
⏱️
Immediate online; confirmation by mail within about 90 days
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📋 Documents you'll need
- Social Security number
- Full legal name and date of birth
- Current mailing address
🪜 Step-by-step
- Check who must register: almost all male U.S. citizens and immigrants aged 18 through 25.
- Register online at sss.gov, at a post office (form available in some locations), or check the box on the FAFSA to be registered automatically.
- Verify your registration online and keep proof for records.
- Update your address with the Selective Service until age 26.
| Estimated cost | Free |
|---|---|
| Typical timeline | Immediate online; confirmation by mail within about 90 days |
Note This guide is general information and procedures, fees, and rules can change and vary by state or agency. The official authority is always the relevant government office and its official website. See our Disclaimer.
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Frequently asked questions
What happens if I don't register?
Men who fail to register can lose eligibility for federal student aid, federal jobs, and some state benefits, and may face enforcement.
Does registration mean joining the military?
No. It only keeps a list for use if a draft were ever authorized by Congress and the President.
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