Mass Shootings and Civilian Armament

Mass Shootings and Civilian Armament provides the first comprehensive multi-methodological analysis of the relationship between mass shootings and firearm purchases (as proxied by background checks) in the US on national level data from 1999-2020.

Since 1994, the number of civilian-owned firearms in the US has doubled to around 398 million while the population only grew by 70 million. On average, mass shootings have occurred once every two weeks over the last decade which is a major factor b...