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Cumulative Mass Shooting Casualties as of 2/14/2018

Cumulative Mass Shooting Casualties as of 2/14/2018

Figure 1: Cumulative sum of mass shooting casualties, beginning in 1982M08; deaths inflicted by non-Muslims (dark red), wounded inflicted by non-Muslims (pink), deaths inflicted by Muslims (dark blue), wounded inflicted by Muslims (light blue). February observation for data through 2/14. Source: Mother Jones, news accounts for 2/14, and author’s calculations. Tabulations of religion of perpetrator by author.

For an alternative view of total casualties, here are the 12 month trailing moving averages of total killed and wounded.

Figure 2: Twelve month trailing moving average of mass shooting fatalities (black), wounded (gray). February observation for data through 2/14. Orange shading denotes 2017 onward. Source: Mother Jones, news accounts for 2/14, and author’s calculations.

Normalizing by population would not change the essential trends depicted in either graph.

The database underpinning these graphs provides some incomplete information on types of weapons used, and demographic breakdown of the perpetrators.

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