Gangs and organized crime
72
18
7
3
Drugs
58
29
6
7
Mental illness
47
37
9
7
Decline in morality
47
26
15
12
Leniency in the criminal-justice system
44
27
15
14
Bad parenting
44
40
9
7
Societal division
36
37
16
10
The gun lobby
36
16
22
26
Social media
30
41
13
16
Too many guns owners
30
22
11
37
Gun manufacturers
28
20
11
40
Violence in video games
27
34
9
30
Masculinity
22
26
18
34
The Second Amendment
17
21
18
44
Not enough guns owners
8
11
26
54