What are the Deadliest Mass Shootings in U.S. History?

This table shows the top-25 deadliest mass shootings in U.S. history from 1949-present. The top-2 deadliest mass shootings both occurred in the 2000s. The mass shooting by Seung-Hui Cho at Virginia Tech, which led to the death of 32 people and wounded 17 others, remains the deadliest mass shooting in U.S. history. It is followed by the Sandy Hook Elementary School shooting in 2012, which led to the death of 20 children and 8 adults, including the perpetrator. 

Top-10

Top-25: Overview of the Deadliest Mass Shootings since 1949

Top-25 deadliest Mass Shootings (1949-Present)

Source: CNN.

Map of Deadliest Mass Shootings (1949-Present) 

Source: CNN.