How the policy has changed
In June 2016, the Obama administration ended a longstanding ban on open transgender service, citing a Defense Department–commissioned study that found limited impact on readiness and costs. In 2017, the Trump administration announced new restrictions that were phased in after court challenges. In January 2021, the Biden administration reversed those restrictions and allowed open service. In 2025, the second Trump administration reinstated restrictions on transgender service.
Where the courts stand
The 2025 policy was quickly challenged in federal court. The Supreme Court allowed the administration's policy to take effect while lower courts continued to weigh the cases. On June 1, 2026, a federal appeals court issued a split ruling: it permitted the government to bar new transgender enlistments but blocked the discharge of current transgender service members while litigation proceeds.
How many service members are affected
A 2016 RAND Corporation study commissioned by the Defense Department estimated that between 1,320 and 6,630 transgender people were serving on active duty, out of roughly 1.3 million total active-duty personnel. Independent advocacy groups have estimated larger numbers when including reserves and the National Guard. Exact figures are difficult to confirm because service members are not required to disclose gender identity.
The case for open service
Supporters argue that the military should evaluate each service member on individual fitness, conduct, and ability to meet job standards rather than identity. They point to RAND's finding that gender-transition-related medical costs and lost duty time represented a small share of overall health spending and personnel time. They also cite recruiting challenges and argue that excluding qualified volunteers narrows the talent pool.
The case for restrictions
Opponents of open service argue that gender-transition-related medical care, including surgeries and ongoing hormone therapy, can affect deployability and that some service members may be non-deployable for extended periods. They argue that uniform medical and physical standards, and concerns about unit cohesion, justify limits. Some also contend that the military is not the appropriate setting for policies they see as primarily social in nature.
Why the policy keeps shifting
Military personnel rules are set largely by the executive branch through Defense Department directives, which a new president can revise. Congress has not passed a statute settling the question, so policy moves with each administration unless courts intervene. The current litigation could ultimately produce a Supreme Court ruling on the merits, which would establish a more durable legal standard.
What voters are weighing
The debate combines questions about military readiness, medical policy, equal treatment under the law, and the proper scope of presidential authority over the armed forces. Voters answering this question are generally weighing how to balance individual eligibility against uniform standards, and whether enlistment and continued service should be treated the same way.