There were more mass shootings in 2020 than in any other previous year by a wide margin. 2020 set a new record for mass shootings in America with 612 shootings that involved 4 or more victims not including the shooter. This represents a single year increase of 47% more mass shootings compared to 2019.
612 mass shootings in 2020 represents an 83% increase in mass shootings over 5 years ago. Mass shootings have almost doubled in the last 5 years.
Source: Gun Violence Archive https://www.gunviolencearchive.org/ Mass Shooting Involves 4+ victims not including the shooter.