President Donald Trump celebrated a Supreme Court decision upholding state bans on transgender athletes on Tuesday, the final day of the court's term.

The ruling solidifies the legal authority of states to restrict participation in women's sports, marking a significant victory for conservative legal strategies and policy goals regarding gender identity in athletics.

In a six-three decision [1], the Supreme Court upheld laws that prevent transgender student-athletes from competing on teams designated for women. The ruling allows various states to maintain these restrictions without violating federal law.

Trump described the decision as a "big win" [2]. He said the ruling removes the "ridiculous situation of men playing in women's sports off the table" [3].

The legal battle centers on the balance between state-level regulations and the rights of transgender individuals. Proponents of the bans argue that such measures are necessary to ensure fair competition, and protect the integrity of women's sports.

Reports on the scope of these laws vary across sources. Some data indicates that 27 states have bans on transgender athletes [4], while other reports state that 25 states have laws on the books restricting such athletes [5].

This decision arrives as part of a broader trend of state-level legislation targeting gender-affirming policies in schools and public spaces. The Court's majority opinion provides a legal shield for these state laws against challenges based on equal protection or discrimination claims.

Trump said the outcome is a victory for women's sports and the preservation of traditional athletic categories.

This is a big win that takes the ridiculous situation of men playing in women's sports off the table.

This ruling establishes a significant legal precedent by affirming that states have the authority to define athletic categories based on biological sex. By upholding these bans, the Supreme Court limits the ability of transgender athletes to challenge state-level restrictions in federal court, effectively shifting the battleground for gender-identity rights from the judiciary to state legislatures.