Selective Service System

The Selective Service System (SSS) is an independent agency of the United States government that keeps a list of registered male U.S. citizens and other U.S. residents who might be needed for the military if a draft is ever needed again.

Even though the U.S. military now relies on people who choose to join, registration is still important. It helps prepare for two types of drafts: one for general service for males aged 18 to 25, and another for special skills in health care jobs. If a draft happens, the Selective Service System would handle induction notices, deferments, exemptions, and assign conscientious objectors to alternative service work.

All male U.S. citizens and immigrant non-citizens aged 18 to 25 are required by law to register within 30 days of turning 18. They must also update their information within ten days if anything changes, like a new address. Starting December 18, 2026, instead of registering themselves, people will be automatically registered using other government databases.

Registering with the Selective Service can be important for getting certain government jobs, training, and becoming a U.S. citizen (naturalization). The System also shares registrant names with the Joint Advertising Marketing Research and Studies (JAMRS) program to help with military recruitment.

The rules for the Selective Service System are found in Title 32 of the Code of Federal Regulations, Chapter XVI.

History

1917 to 1920

The Selective Service System began in 1917 when the United States entered World War I. A new law allowed the president to require men to join the military. Men aged 21 to 30 had to sign up, and later the age limit was raised to 45. This system stopped in 1920.

1940 to 1947

During World War II, a new law required men aged 18 to 64 to register. This was the first time such a requirement happened during peacetime. Millions of men signed up, and many were needed for the war. The system ended in 1947.

1948 to 1969

After the war, a new law in 1948 required men aged 18 and older to register. Those aged 18 to 25 could be called to serve for about two years. When the Korean War started, more men were needed, and the rules changed again.

1969 to 1975

In 1969, a new system began where men were called based on a random lottery. This continued until 1973 when the United States moved to an all-volunteer army, and no more men were required to sign up for the draft.

1975 to 1980

In 1975, the requirement for men to register was stopped.

1980 to 2026

In 1980, the requirement to register started again because of world events. Men aged 18 to 26 had to sign up. Some people tried to change the rules, but the system stayed in place.

December 2026 and after

In 2026, new rules will start where the government will automatically register men aged 18 to 26 using existing data, instead of requiring them to sign up themselves.

Who must register

Until December 18, 2026, all male U.S. citizens between the ages of 18 and 25 must sign up within 30 days of turning 18. Some non-U.S. citizens living in the United States, like permanent residents, refugees, and asylum seekers, also need to sign up. International students, visitors, and diplomats do not need to sign up as long as they keep their status.

People can sign up before they turn 18 if they are at least 17 years and 3 months old. If chosen for service later, they can explain if they have strong beliefs against going to war.

The Selective Service System can also arrange for special workers, like doctors, if needed. Registered people must tell the system if their information changes, like their address, before they turn 26.

Failure to register

In 1980, men who did not register when they were supposed to could face up to five years in prison, fines of up to $50,000, or both if convicted. The fine was later increased to $250,000. Even with these penalties, there were very few cases brought to court between 1980 and 1986.

To prove someone did not register on purpose, the government needed to show they knew about the requirement but still chose not to register. The last case for not registering happened in January 1986. In 2016, officials said that in 1988, the government decided to stop pursuing more cases against people who did not register.

Laws like the Solomon Amendment require young men to register with the Selective Service to receive certain benefits, like financial aid or federal jobs. If they did not register by age 26, they might lose these benefits unless they can show it was not on purpose. Some states also have their own rules about registration for things like driver’s licenses or state benefits.

Some groups offer help to students who lose financial aid because they did not register.

Alien or dual-national registrant status

Some people who need to register with the Selective Service System are not U.S. citizens or have citizenship in both the U.S. and another country. These individuals fall into special groups.

If someone has lived in the U.S. for less than a year, they do not need to join the military right away. But after living here for a total of one year, they may need to register. If a person leaves the U.S. before being called for service and has not been told they can come back, they might be placed in a special group only while they are away. When they return, they must tell the Selective Service Office their new address.

Some people register properly and later learn they belong to a group that does not need to register. They can stay in this special group only while they remain in that category and need to show proof from their country’s government.

Dual nationals are citizens of both the U.S. and another country that allows dual citizenship. They must have the right papers to prove this status.

Treaty aliens are from countries that have agreements with the U.S. that let them avoid U.S. military service. But if they choose this option, they cannot apply for U.S. citizenship later and might not be allowed to return to the U.S. unless they have served in their own country’s military. However, in some cases, they can still apply for citizenship if they meet certain conditions.

Legal issues

The Selective Service System is allowed under the United States Constitution, which gives Congress the power to organize the military. The law that created the Selective Service System has faced legal questions, especially about whether it goes against the rule that forbids forced labor. However, courts have generally supported the draft as constitutional.

Important court decisions have upheld the draft during different times, including World War I and the Vietnam War. More recently, courts have also supported the rules about who must register for the draft. Some cases have looked at whether it’s fair that only men are required to register, but these have not changed the main rules of the Selective Service System.

Structure and operation

The Selective Service System is an independent part of the U.S. government that helps prepare for important times when more people might be needed in the military. The leader of this system reports directly to the president of the United States.

During normal times, the system has a main office, three regional offices, and a center for managing information. It also works with thousands of volunteers who help with local decisions. If there were ever a big need for more military members, the system would grow much larger with many more offices and services.

In 2015–2016, the system’s budget was about $23 million. If women were ever asked to register too, the budget would need to grow by about $9 million in the first year.

Mobilization (draft) procedures

If the country ever needs more soldiers than volunteers, special rules can start a draft. First, the president and Congress must agree that a big problem needs more troops. Then, a lottery using birthdays decides whose turn it is to be called for service. Men aged 18 to 25 who have registered will be contacted in order of their birthdays.

When men are called, they will have tests to see if they are healthy and able to serve. If they think they should not be called, they can ask for a special reason to be let off. If they pass the tests and don’t get an exception, they will be told to join the military. The goal is to have the first new soldiers ready to serve within about six months of the draft starting.

Lottery procedures

If the Selective Service System needs to prepare for a draft, they would hold a public lottery. In this lottery, all the days of the year are placed in one container, and numbers from 1 to 365 (or 366 in a leap year) are placed in another container. These containers are sealed and stored until needed.

When a draft happens, the containers are checked and then used in the lottery. Each date is randomly paired with a number. For example, if January 19 is chosen as the date and the number 59 is picked, all men who turned 20 on January 19 would be the 59th group to receive notices to join the military. This process continues until every date has a number. If all dates are used, the Selective Service would start with men age 20 and work up to age 25, then down to age 18. After all dates are paired, the information is sent to the Selective Service System's Data Management Center.

Classifications

1948–1976

Present

If Congress allowed a draft, local boards would decide which people could skip military service. They would use rules from the Code of Federal Regulations Title 32, Chapter XVI, Sec. 1630.2 to sort men into different groups.

Directors