Here’s how many mass shootings there have been in 2023

The horrific shootings in Half Moon Bay has left 7 dead. It is one of many mass shooting sprees in the U.S., where four or more are shot.

Mass shootings, 1966-Jan. 2023

This chart is from gunviolence.org and defines a mass shooting as four or more people are shot or killed in a single shooting, not including the shooter.

Including the Monterey Park shooting late Saturday, a Half Moon Bay shooting and a school shooting in Des Moines, Iowa, Monday, there have been 38 mass shootings in the first 23 days of the year in the U.S.

 

What’s a mass shooting?

According to the Gun Violence Archive, mass shootings are, for the most part, an American phenomenon. While they are generally grouped together as one type of shooting, they are several with the foundation definition being that they have a minimum of four victims shot, either injured or killed, not including any shooter who also may have been killed or injured in the shooting.

Data trackers differ

Several sources have different criteria:

Mother Jones: Three people fatally injured, excluding shooter.

Gun Violence Archive: Four people fatally or nonfatally injured, excluding shooter.

Mass Shooter Database: Four people fatally injured, excluding shooter

AP/USA Today/Northeastern University Mass Killings database: Four people fatally injured, excluding shooter.

Mass Shooting Tracker: Four people fatally or nonfatally injured, including shooter.

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The map above includes homicides/suicides, hate crimes, domestic violence, gang involvement, drug involvement, police action, robbery, defensive use, accidents, brandishing and nearly 120 other possible variables. The Gun Violence Archive provides aggregate numbers and says that just as there is not just one type of gun violence or gun crime, there is not just one cause of gun violence or gun crime.

A Gallup poll of gun ownership in the U.S.

An international comparison of gun-related killings as a percentage of all homicides. This chart is from the BBC and uses CDC, House of Commons, Statistics Canada and Australian Institute of Criminology data.

Sources: The Associated Press, BBC, theviolenceproject.org, Voice of America, gunviolencearchive.org, RAND.org