There were more mass shootings in the past five years than in any other half-decade going back to 1966

31

24

23

21

17

16

12

12

1982-

1986

1987-

1991

1992-

1996

1997-

2001

2002-

2006

2007-

2011

2012-

2016

2017-

2021

31

24

23

21

17

16

12

12

1982-

1986

1987-

1991

1992-

1996

1997-

2001

2002-

2006

2007-

2011

2012-

2016

2017-

2021

31

24

23

21

17

16

12

12

1982-1986

1987-1991

1992-1996

1997-2001

2002-2006

2007-2011

2012-2016

2017-2021

31

24

23

21

17

16

12

12

1982-1986

1987-1991

1992-1996

1997-2001

2002-2006

2007-2011

2012-2016

2017-2021