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Definition used: A mass shooting is defined as an incident in which 4 or more people are shot (injured or killed), not including the shooter. This follows the criteria used by the Gun Violence Archive, a non-partisan, independent data collection organization.
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These organizations are highly rated by Charity Navigator and work to prevent gun violence through legislation, education, and community action.
Everytown for Gun Safety
Advocacy & Policy
The largest gun violence prevention org in the US, with 11M+ members pushing for universal background checks and evidence-based policy reform.
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Sandy Hook Promise
Prevention & Education
Founded by parents of Sandy Hook victims. Their school programs have prevented 14 planned shootings and saved 400+ lives through early intervention.
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Giffords Law Center
Law & Litigation
Founded by gun violence survivor Gabby Giffords. Fights in courts and legislatures for background checks, extreme risk laws, and assault weapon restrictions.
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