There were more mass shootings across the U.S. in 2019 than there were days in the year according to a gun violence research group. 2019 had the highest number of mass shootings in any year since the research group started keeping track. 

By the end of 2019, there were 417 mass shootings in the U.S. according to data from the nonprofit Gun Violence Archive GVA which tracks every mass shooting in the country thirty-one of those shootings were mass murders. GVA defines a mass shooting as any incident in which at least four people are shot excluding the shooter. The group also tracks mass murders as defined by the FBI incidents in which at least four people killed. The FBI does not have a formal definition of a mass shooting. 

The toll of 417 mass shootings includes several high profile, mass casualty attacks some of which happened within 24 hours of each other. 

A shootout at Kosher grocery store in Jersey City New Jersey on December 10. Three people in the store were killed and three others wounded including two police officers. The two attackers also died in the shootout. The attackers also shot and killed a police detective at a nearby cemetery before the store attack. 

A shooting near New Orleans French Quarter on December 1st that left 10 people injured. 

A shooting at Saugus High School in Santa Clarita California on November 14 which left two teenage students dead and three wounded. The suspect a 16-year-old student shot himself in the head and died the next day. 

A drive-by shooting spree in Odessa and Midland Texas on August 31 with seven people killed and 24 wounded. 

A shooting in a historic district of Dayton Ohio on August 4th with nine people killed and 27 injured. 

Shooting at Walmart in El Paso Texas on August 3 with 22 people killed and 24 wounded. It was the deadliest shooting of the year and seventh deadliest in modern U.S. history. 

A shooting at a playground hosting a community festival in the Brownville neighborhood of Brooklyn New York on July 28. One person was killed and 11 were wounded. 

A shooting at the Gilroy Garlic Festival in the San Franciso Bay Area on July 28th 3 people killed and 2 of them children and 12 were wounded. police shot and killed the gunman. 

A shooting in the municipal building in Virginia Beach on May 31st where a former city employee killed 12 people and wounded 4.

The GVA said there was a total of 15,381 gun deaths including homicides, suicides and accidents and 29,568 injuries in 2019.

In the end, 2019 had the highest number of mass shootings in any year since 2014 when the Gun Violence Archive started its count. It has surpassed the prior record of 382 mass shootings in 2016. The GVA reported 346 mass shootings in 2017 and 337 in 2018. 

Mass shootings in 2020 

January 1st, 2020 Saint Louis Missouri 3 killed 2 wounded.

January 1st, 2020 Huntington West Virginia 0 killed 7 wounded. 

January 1st, 2020 Cleveland Ohio. 0 killed 4 wounded

January 2nd, 2020 Brooklyn New York 0 killed 4 wounded 

January 4th, 2020 Ocala Florida 1 killed 3 wounded

January 5th, 2020 Atlanta Georgia 0 killed 4 wounded

January 8th, 2020 Bay Saint Louis Mississippi 2 killed 2 wounded 

January 11th, Aurora Colorado 0 killed 5 wounded 

January 15th, 2020 Des Moines Iowa 2 killed 2 wounded