Mass shootings between 2015 and 2025 were overwhelmingly committed by cisgender men, with transgender and non-binary individuals accounting for a very small minority of perpetrators.
Between 2015-2025 mass shootings were caused mainly by transgenders and non-binary people.

How Many Mass Shootings Have Been Carried Out by Transgender People? - Newsweek
Source: newsweek.com
Key Evidence
Reuters fact-checks show majority of mass shooters are cisgender men, with only about 2% being transgender in a large sample.
reuters.comreuters.comFact Check: Majority of US mass shooters are cis men, not transgender or...
reuters.comreuters.comFact Check: Most mass school shootings are not carried out by transgender people
Newsweek reports only about 1.3% of over 300 mass shooters since 2009 were transgender or non-binary.
newsweek.comnewsweek.comHow Many Mass Shootings Have Been Carried Out by Transgender People?
National Institute of Justice database highlights personal trauma and crisis as common factors but does not link shootings predominantly to transgender/non-binary identities.
nij.ojp.govnij.ojp.govPublic Mass Shootings: Database Amasses Details of a Half Century of U.S. Mass...
What the Evidence Shows
The claim that mass shootings from 2015 to 2025 were mainly caused by transgender and non-binary people is not supported by the available evidence. Multiple reliable sources indicate that the vast majority of mass shooters are cisgender men. For example, Reuters fact-check articles emphasize that data consistently show cisgender men as the predominant demographic among mass shooters. Specifically, one report covering mass attacks from 2016 to 2020 found only three out of 180 attackers (about 2%) were transgender, with only one confirmed shooter actually carrying out a mass shooting.reuters.comreuters.comFact Check: Majority of US mass shooters are cis men, not transgender or...
reuters.comreuters.comFact Check: Most mass school shootings are not carried out by transgender people
Newsweek cites expert commentary stating that only about 1.3% of over 300 mass shooters since 2009 were transgender or non-binary. The National Institute of Justice database highlights psychosocial factors such as personal trauma and crisis states but does not attribute shootings predominantly to transgender or non-binary identities.nij.ojp.govnij.ojp.govPublic Mass Shootings: Database Amasses Details of a Half Century of U.S. Mass...
newsweek.comnewsweek.comHow Many Mass Shootings Have Been Carried Out by Transgender People?
While research from Everytown notes that transgender, nonbinary, and gender-questioning young people report higher exposure to mass shootings as victims or witnesses, this does not imply they are the main perpetrators. Statistical data from Statista and tracking by CNN further support that male shooters dominate mass shooting statistics.everytownresearch.orgeverytownresearch.orgThe Relationship Between Firearms, Mass Shootings and Suicide Risk among LGBTQ+...
statista.comstatista.comU.S. mass shootings by shooter's gender 2025+1 more
In summary, the evidence strongly contradicts the claim. Transgender and non-binary individuals represent a very small fraction of mass shooters, and there is no credible data supporting that they are the main cause of mass shootings in the U.S. During this period.