California leads in mass shootings

California has experienced the highest number of mass shootings, with a total of 26. This is double the number reported in Texas and Florida, each having 13 incidents, ranking them jointly as the second most affected states.

Four states share the fourth position

Colorado, with 8 incidents, stands out as the state with the fourth highest number of mass shootings. This distinguishes Colorado significantly from states like Pennsylvania, Wisconsin, Illinois, and New York, each reporting 5 to 6 incidents.

Majority of states report fewer than 5 incidents

A significant majority of states, 35 out of 50, have reported fewer than 5 mass shootings each over the period 1982-2023. This highlights a concentration of higher frequency incidents in a small number of states.

Single incidents in nearly one-fifth of states

19 states have reported only one mass shooting incident each. This suggests that while mass shootings are a national issue, their occurrence is sporadic in nearly 40% of U.S. states.

No state is without an incident

Every state has experienced at least one mass shooting, indicating that mass shootings are a pervasive issue across the United States.