U.S. mass shootings by prior signs of mental health issues 2025

Mass shootings in the United States between 1982 and August 2025, by the presence of prior signs of the shooter's mental health problems

U.S. mass shootings 1982-2025, by prior signs of shooter's mental health issues

Last update:

Aug 15, 2025

Author:

��ƽ�� Research Department

Region:

United States

Survey time period:

From 01/01/1982 to 31/12/2025

In 77 cases out of a total of 155 reported mass shootings in the United States since 1982, the shooter(s) displayed prior signs of mental health problems. In 18 cases out of 150, there were no signs of mental health issues in the shooters.

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Mass shootings in the United States between 1982 and August 2025, by the presence of prior signs of the shooter's mental health problems

Get in touch with us for additional information

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