Marijuana Addiction Statistics

02 February 2010

National Survey on Drug Use and Health (NSDUH)

According to the National Survey on Drug Use and Health, in 2007, 14.4 million Americans aged 12 or older used marijuana at least once in the month prior to being surveyed, which is similar to the 2006 rate. About 6,000 people a day in 2007 used marijuana for the first time—2.1 million Americans. Of these, 62.2 percent were under age 18.

Percentage of 8th-Graders Who Have Used Marijuana

 

2002

2003

2004

2005

2006

2007

2008

Lifetime

19.2%

17.5%

16.3%

16.5%

15.7%

14.2%

14.6%

Past Year

14.6

12.8

11.8

12.2

11.7

10.3

10.9

Past Month

8.3

7.5

6.4

6.6

6.5

5.7

5.8

Daily

1.2

1.0

0.8

1.0

1.0

0.8

0.9

Percentage of 10th-Graders Who Have Used Marijuana:

 

2002

2003

2004

2005

2006

2007

2008

Lifetime

38.7%

36.4%

35.1%

34.1%

31.8%

31.0%

29.9%

Past Year

30.3

28.2

27.5

26.6

25.2

24.6

23.9

Past Month

17.8

17.0

15.9

15.2

14.2

14.2

13.8

Daily

3.9

3.6

3.2

3.1

2.8

2.8

2.7

Percentage of 12th-Graders Who Have Used Marijuana

 

2002

2003

2004

2005

2006

2007

2008

Lifetime

47.8%

46.1%

45.7%

44.8%

42.3%

41.8%

42.6%

Past Year

36.2

34.9

34.3

33.6

31.5

31.7

32.4

Past Month

21.5

21.2

19.9

19.8

18.3

18.8

19.4

Daily

6.0

6.0

5.6

5.0

5.0

5.1

5.4

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