There have been 523 mass killings since 2006 resulting in 2,727 deaths as of Nov. 19, according to The Associated Press/USA Today database on mass killings in the U.S.

https://www.usatoday.com/in-depth/graphics/2022/08/18/mass-killings-database-us-events-since-2006/9705311002/

 

https://en.wikipedia.org/wiki/List_of_mass_shootings_in_the_United_States

 

This is a list of shootings in the United States that have occurred in 2022