Use Trends

 

Trends for various gang related drugs...

Here are some trends for various drugs, many of which are gang related.

Lifetime Prevalence of Drug Abuse, 1997:
Monitoring the Future Study

  8th-Graders 10th-Graders 12th-Graders
Marijuana 22.6% 42.3% 49.6%
Cocaine 4.4 7.1 8.7
Inhalants 21 18.3 16.1
LSD 4.7 9.5 13.6
Heroin 2.1 2.1 2.1
Stimulants 12.3 17 16.5
Alcohol 53.8 72 81.7
Cigarettes 47.3 60.2 65.4

 

Monitoring the Future Study: Trends in Prevalence of Various Drugs for 8th-Graders, 10th-Graders, and High School Seniors***

  8th-Graders 10th-Graders 12th-Graders
  1991 1992 1993 1994 1995 1996 1997 1991 1992 1993 1994 1995 1996 1997 1991 1992 1993 1994 1995 1996 1997
Marijuana /Hashish
lifetime
annual
30-day
daily		 10.2
6.2
3.2
0.2		 11.2
7.2
3.7
0.2		 12.6
9.2
5.1
0.4		 16.7
13.0
7.8
0.7		 19.9
15.8
9.1
0.8		 23.1
18.3
11.3
1.5		 22.6
17.7
10.2
1.1		 23.4
16.5
8.7
0.8		 21.4
15.2
8.1
0.8		 24.4
19.2
10.9
1.0		 30.4
25.2
15.8
2.2		 34.1
28.7
17.2
2.8		 39.8
33.6
20.4
3.5		 42.3
34.8
20.5
3.7		 36.7
23.9
13.8
2.0		 32.6
21.9
11.9
1.9		 35.3
26.0
15.5
2.4		 38.2
30.7
19.0
3.6		 41.7
34.7
21.2
4.6		 44.9
35.8
21.9
4.9		 49.6
38.5
23.7
5.8
Inhalants
lifetime
annual
30-day
daily		 17.6
9.0
4.4
0.2		 17.4
9.5
4.7
0.3		 19.4
11.0
5.4
0.3		 19.9
11.7
5.6
0.2		 21.6
12.8
6.1
0.2		 21.2
12.2
5.8
0.2		 21.0
11.8
5.6
 		 15.7
7.1
2.7
0.1		 16.6
7.5
2.7
0.1		 17.5
8.4
3.3
0.2		 18.0
9.1
3.6
0.1		 19.0
9.6
3.5
0.1		 19.3
9.5
3.3
0.1		 18.3
8.7
3.0
 		 17.6
6.6
2.4
0.2		 16.6
6.2
2.3
0.1		 17.4
7.0
2.5
0.1		 17.7
7.7
2.7
0.1		 17.4
8.0
3.2
0.1		 16.6
7.6
2.5
0.2		 16.1
6.7
2.5
 
Hallucinogens
lifetime
annual
30-day
daily		 3.2
1.9
0.8
0.1		 3.8
2.5
1.1
0.1		 3.9
2.6
1.2
0.1		 4.3
2.7
1.3
0.1		 5.2
3.6
1.7
0.1		 5.9
4.1
1.9
0.1		 5.4
3.7
1.8
 		 6.1
4.0
1.6
*		 6.4
4.3
1.8
0.1		 6.8
4.7
1.9
0.1		 8.1
5.8
2.4
0.1		 9.3
7.2
3.3
*		 10.5
7.8
2.8
*		 10.5
7.6
3.3
 		 9.6
5.8
2.2
*		 9.2
5.9
2.1
0.1		 10.9
7.4
2.7
0.1		 11.4
7.6
3.1
0.1		 12.7
9.3
4.4
0.1		 14.0
10.1
3.5
0.1		 15.1
9.8
3.9
 
LSD
lifetime
annual
30-day
daily		 2.7
1.7
0.6
*		 3.2
2.1
0.9
*		 3.5
2.3
1.0
*		 3.7
2.4
1.1
*		 4.4
3.2
1.4
0.1		 5.1
3.5
1.5
*		 4.7
3.2
1.5
 		 5.6
3.7
1.5
*		 5.8
4.0
1.6
0.1		 6.2
4.2
1.6
*		 7.2
5.2
2.0
*		 8.4
6.5
3.0
*		 9.4
6.9
2.4
*		 9.5
6.7
2.8
 		 8.8
5.2
1.9
0.1		 8.6
5.6
2.0
0.1		 10.3
6.8
2.4
0.1		 10.5
6.9
2.6
0.1		 11.7
8.4
4.0
0.1		 12.6
8.8
2.5
*		 13.6
8.4
3.1
 
Cocaine
lifetime
annual
30-day
daily		 2.3
1.1
0.5
0.1		 2.9
1.5
0.7
*		 2.9
1.7
0.7
0.1		 3.6
2.1
1.0
0.1		 4.2
2.6
1.2
0.1		 4.5
3.0
1.3
0.1		 4.4
2.8
1.1
 		 4.1
2.2
0.7
0.1		 3.3
1.9
0.7
*		 3.6
2.1
0.9
0.1		 4.3
2.8
1.2
0.1		 5.0
3.5
1.7
0.1		 6.5
4.2
1.7
0.1		 7.1
4.7
2.0
 		 7.8
3.5
1.4
0.1		 6.1
3.1
1.3
0.1		 6.1
3.3
1.3
0.1		 5.9
3.6
1.5
0.1		 6.0
4.0
1.8
0.2		 7.1
4.9
2.0
0.2		 8.7
5.5
2.3
 
Crack Cocaine
lifetime
annual
30-day
daily		 1.3
0.7
0.3
*		 1.6
0.9
0.5
*		 1.7
1.0
0.4
0.1		 2.4
1.3
0.7
*		 2.7
1.6
0.7
*		 2.9
1.8
0.8
*		 2.7
1.7
0.7
 		 1.7
0.9
0.3
*		 1.5
0.9
0.4
*		 1.8
1.1
0.5
*		 2.1
1.4
0.6
*		 2.8
1.8
0.9
*		 3.3
2.1
0.8
*		 3.6
2.2
0.9
 		 3.1
1.5
0.7
0.1		 2.6
1.5
0.6
0.1		 2.6
1.5
0.7
0.1		 3.0
1.9
0.8
0.1		 3.0
2.1
1.0
0.1		 3.3
2.1
1.0
0.2		 3.9
2.4
0.9
 
Heroin
lifetime
annual
30-day
daily		 1.2
0.7
0.3
*		 1.4
0.7
0.4
*		 1.4
0.7
0.4
*		 2.0
1.2
0.6
0.1		 2.3
1.4
0.6
*		 2.4
1.6
0.7
*		 2.1
1.3
0.6
 		 1.2
0.5
0.2
*		 1.2
0.6
0.2
*		 1.3
0.7
0.3
*		 1.5
0.9
0.4
*		 1.7
1.1
0.6
*		 2.1
1.2
0.5
*		 2.1
1.4
0.6
 		 0.9
0.4
0.2
*		 1.2
0.6
0.3
*		 1.1
0.5
0.2
*		 1.2
0.6
0.3
*		 1.6
1.1
0.6
0.1		 1.8
1.0
0.5
0.1		 2.1
1.2
0.5
 
Stimulants
lifetime
annual
30-day
daily		 10.5
6.2
2.6
0.1		 10.8
6.5
3.3
0.1		 11.8
7.2
3.6
0.1		 12.3
7.9
3.6
0.1		 13.1
8.7
4.2
0.2		 13.5
9.1
4.6
0.1		 12.3
8.1
3.8
 		 13.2
8.2
3.3
0.1		 13.1
8.2
3.6
0.1		 14.9
9.6
4.3
0.3		 15.1
10.2
4.5
0.1		 17.4
11.9
5.3
0.2		 17.7
12.4
5.5
0.1		 17.0
12.1
5.1
 		 15.4
8.2
3.2
0.2		 13.9
7.1
2.8
0.2		 15.1
8.4
3.7
0.2		 15.7
9.4
4.0
0.2		 15.3
9.3
4.0
0.3		 15.3
9.5
4.1
0.3		 16.5
10.2
4.8
 
Tranquilizers
lifetime
annual
30-day
daily		 3.8
1.8
0.8
*		 4.1
2.0
0.8
*		 4.4
2.1
0.9
0.1		 4.6
2.4
1.1
0.1		 4.5
2.7
1.2
*		 5.3
3.3
1.5
*		  
2.9
1.2
 		 5.8
3.2
1.2
*		 5.9
3.5
1.5
*		 5.7
3.3
1.1
*		 5.4
3.3
1.5
*		 6.0
4.0
1.7
0.1		 7.1
4.6
1.7
*		  
4.9
2.2
1.7		 7.2
3.6
1.4
0.1		 6.0
2.8
1.0
*		 6.4
3.5
1.2
*		 6.6
3.7
1.4
0.1		 7.1
4.4
1.8
*		 7.2
4.6
2.0
0.2		  
4.7
1.8
 
Alcohol**
lifetime

annual

30-day

daily
70.1

54.0

25.1

0.5		 69.3

53.7

26.1

0.6		 67.1
55.7
51.6
45.4
26.2
24.3
0.8
1.0		 NA
55.8
NA
46.8
NA
25.5
NA
1.0
54.5

45.3

24.6

0.7
55.3

46.5

26.2

1.0
53.8

45.5

24.5

0.8		 83.8

72.3

42.8

1.3		 82.3

70.2

39.9

1.2		 80.8
71.6
69.3
63.4
41.5
38.2
1.6
1.8		 NA
71.1
NA
63.9
NA
39.2
NA
1.7
70.5

63.5

38.8

1.7
71.8

65.0

40.4

1.6
72.0

65.2

40.1

1.7		 88.0

77.7

54.0

3.6		 87.5

76.8

51.3

3.4		 87.0
80.0
76.0
72.7
51.0
48.6
2.5		 NA
80.4
NA
73.0
NA
50.1
NA
2.9
80.7

73.7

51.3

3.5
79.2

72.5

50.8

3.7
81.7

74.8

52.7

3.9
Cigarettes (any use)
lifetime
annual
30-day
1/2 pack+/day		 44.0
NA
14.3
3.1		 45.2
NA
15.5
2.9		 45.3
NA
16.7
3.5		 46.1
NA
18.6
3.6		 46.4
NA
19.1
3.4		 49.2
NA
21.0
4.3		 47.3
NA
19.4
3.5		 55.1
NA
20.8
6.5		 53.5
NA
21.5
6.0		 56.3
NA
24.7
7.0		 56.9
NA
25.4
7.6		 57.6
NA
27.9
8.3		 61.2
NA
30.4
9.4		 60.2
NA
29.8
8.6		 63.1
NA
28.3
10.7		 61.8
NA
27.8
10.0		 61.9
NA
29.9
10.9		 62.0
NA
31.2
11.2		 64.2
NA
33.5
12.4		 63.5
NA
34.0
13.0		 65.4
NA
36.5
14.3
Smokeless Tobacco
lifetime
annual
30-day
daily		 22.2
NA
6.9
1.6		 20.7
NA
7.0
1.8		 18.7
NA
6.6
1.5		 19.9
NA
7.7
1.9		 20.0
NA
7.1
1.2		 20.4
NA
7.1
1.5		 16.8
NA
5.5
1.0		 28.2
NA
10.0
3.3		 26.6
NA
9.6
3.0		 28.1
NA
10.4
3.3		 29.2
NA
10.5
3.0		 27.6
NA
9.7
2.7		 27.4
NA
8.6
2.2		 26.3
NA
8.9
2.2		 NA
NA
NA
NA		 32.4
NA
11.4
4.3		 31.0
NA
10.7
3.3		 30.7
NA
11.1
3.9		 30.9
NA
12.2
3.6		 29.8
NA
9.8
3.3		 25.3
NA
9.7
4.4
Steroids
lifetime
annual
30-day
daily		 1.9
1.0
0.4
*		 1.7
1.1
0.5
*		 1.6
0.9
0.5
0.1		 2.0
1.2
0.5
*		 2.0
1.0
0.6
*		 1.8
0.9
0.4
*		 1.8
1.0
0.5
 		 1.8
1.1
0.6
0.1		 1.7
1.1
0.6
0.1		 1.7
1.0
0.5
*		 1.8
1.1
0.6
0.1		 2.0
1.2
0.7
 		 2.0
1.2
0.6
0.1		 1.8
1.2
0.5
*		 2.1
1.4
0.8
0.1		 2.1
1.1
0.6
*		 2.0
1.2
0.7
0.1		 2.4
1.3
0.9
0.4		 2.3
1.5
0.7
0.2		 1.9
1.4
0.7
0.3		 2.4
1.4
1.0
 

* Less than 0.05 percent.
** The wording of the questionnaire was changed in 1993; the new questionnaire requires heavier use to elicit a positive response.
*** Numbers denote percentages

Source: Institute for Social Research, University of Michigan, for the National Institute on Drug Abuse, Monitoring the Future Study, 1997.

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