Table 228.15.

Number of active shooter incidents at educational institutions and number of casualties, by level of institution: 2000 through 2021

Year	Elementary and secondary schools					Postsecondary institutions
	Number of incidents		Number of casualties1			Number of incidents	Number of casualties1
			Total	Killed	Wounded		Total	Killed	Wounded
1	2		3	4	5	6	7	8	9
2000	0		0	0	0	0	0	0	0
2001	2		20	2	18	0	0	0	0
2002	0		0	0	0	2	9	6	3
2003	32		4	3	1	1	3	1	2
2004	1		1	0	1	0	0	0	0
2005	2		18	10	8	0	0	0	0
2006	6		20	9	11	1	5	0	5
2007	1		4	0	4	1	49	32	17
2008	0		0	0	0	2	23	7	16
2009	1		0	0	0	1	2	0	2
2010	43		6	0	6	2	8	4	4
2011	1		2	1	1	0	0	0	0
2012	3		36	30	6	2	18	8	10
2013	3		6	2	4	2	11	5	6
2014	3		12	5	7	2	7	1	6
2015	0		0	0	0	1	16	9	7
2016	3		11	2	9	0	0	0	0
2017	4		27	8	19	0	0	0	0
2018	5		81	29	52	0	0	0	0
2019	2		14	3	11	1	6	2	4
2020	0		0	0	0	0	0	0	0
2021	2		14	4	10	0	0	0	0

1Number of casualties excludes active shooters and may include casualties that occurred as part of the same incident but at different locations. For shooter outcomes, see table 228.16.

2Includes one active shooter incident at a county board of education meeting.

3Includes one active shooter incident at a city school board meeting.

NOTE: The Federal Bureau of Investigation (FBI) defines an active shooter as "one or more individuals actively engaged in killing or attempting to kill people in a populated area." (Active Shooter Incidents in the United States in 2021, available at the URL shown in the SOURCE note). Some data have been revised from previously published figures.

SOURCE: U.S. Department of Justice, Federal Bureau of Investigation, A Study of Active Shooter Incidents in the United States Between 2000 and 2013, Active Shooter Incidents in the United States in 2014 and 2015, Active Shooter Incidents in the United States in 2016 and 2017, Active Shooter Incidents in the United States in 2018, Active Shooter Incidents in the United States in 2019, Active Shooter Incidents: 20-Year Review 2000-2019, Active Shooter Incidents in the United States in 2020, and Active Shooter Incidents in the United States in 2021, retrieved January 26, 2023, from https://www.fbi.gov/about/partnerships/office-of-partner-engagement/active-shooter-resources. (This table was prepared January 2023.)