Record-breaking number of mass shootings in the US in 2023.

The U.S. has seen an acceleration of mass shootings in 2023, with six public mass killings already occurring, marking one-third of the way through the year. Texas and California have seen the most mass shootings this year, with 17 each. There have been 22 mass killings in 2023, defined as four or more people killed, not including the perpetrator. The number of annual mass killings in the U.S. remained largely steady from 2006 to 2018 but started to increase in 2019. There have been at least 202 mass shootings in the U.S. this year, leaving 792 victims injured and 276 dead, according to the Gun Violence Archive.