Who could be drafted? Inside US draft rules if global war breaks out

Talk of former President Donald Trump proposing actions like annexing Greenland and hinting at other military moves has reignited public concern about the possibility of a U.S. military draft. Recent U.S. strikes on Venezuela and discussions about potential action against Iran have added to global tensions, prompting widespread speculation about a broader conflict. As a result, searches on terms like “World War III” and “US draft rule and age” have spiked online as people try to understand what might happen if war escalates.

Right now, the United States does not have an active draft, but it could be reinstated by law in a national emergency. Since the end of the Vietnam War, the draft was abolished in January 1973, and the military has operated through an all‑volunteer force ever since. The legal framework allowing for conscription remains in federal law, meaning it could be reactivated if Congress and the President chose to do so.

Many Americans are unfamiliar with draft procedures because three generations have never faced conscription. If a draft were ever activated under current plans, it would begin with men turning 20 first, then include those turning 21 through 25, then 19‑ and 18‑year‑olds if more troops were needed — all determined by a lottery system.

Registration for the Selective Service is already mandatory for most male U.S. residents between 18 and 25, including citizens, non‑citizens, refugees, asylum seekers, and dual nationals. Exceptions exist for certain institutionalized individuals, ministers, elected officials, and others, and students may request postponements.

Under current law, women are not required to register for the draft, though the topic has been discussed in Congress. For women to be included, the law would need to be changed.

Failure to register with the Selective Service by age 26 remains unlawful, and while criminal prosecutions are rare, penalties can include fines and prison time, and unique consequences like loss of eligibility for some government jobs and federal benefits.