374 U.S. mass shootings in 2019

2739 mass shootings since 1/1/2013

3 days since last mass shooting

The Mass Shooting Tracker will return to a crowd-sourced database of U.S. mass shootings. We define a “mass shooting” as a single outburst of violence in which more than 3 people are shot. This is not the same as mass murder as defined by the FBI. Learn more here or View the data