A disproportionately high number of U.S. mass shooters are transgender as compared with transgender people’s representation in the country's population.
Following the August 2025 shooting at a Minneapolis Catholic school that killed two children and injured 18 people, some conservative social media influencers claimed there was an "epidemic" of transgender and nonbinary mass shooters in the United States. Federal officials have referred to the shooter, Robin Westman, as transgender.
Several X accounts, including those of conservative influencer Libs of TikTok (archived), conservative commentator Benny Johnson (archived) and presidential son Donald Trump Jr. (archived), listed a number of mass shootings they claimed were perpetrated by transgender people in an attempt to establish a pattern or "epidemic."
Other accounts (archived) posted charts (archived) apparently showing transgender people disproportionately committed mass shootings as compared with their proportion of the U.S. population.
While the exact numbers vary based on how one defines a mass shooting or mass killing, this claim is false based on all of the definitions used by various public mass shooting databases. No matter how the terms are reasonably defined, cisgender men — that is, men assigned male at birth — most disproportionately commit mass shootings.
First, we need to establish the proportion of transgender people in the United States. An August 2025 report from the UCLA School of Law Williams...
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