Table 1. Prevalence of Annual Marijuana Use, by Age (1990 – 2005)

Year

Age

Age

Age

Age

Total

12-17

18-24

25-34

35+

1990
2,266,998
7,135,749
6,974,862
4,076,743
20,454,352
1991
2,027,075
6,994,300
5,589,503
4,624,054
19,234,931
1992
1,676,333
6,341,801
5,481,217
3,900,905
17,400,256
1993
2,136,138
6,482,924
5,143,919
4,810,284
18,573,265
1994
2,490,533
6,105,144
4,208,314
5,008,553
17,812,545
1995
3,145,255
6,075,672
4,234,133
4,299,635
17,754,695
1996
2,924,936
6,627,703
4,021,150
4,824,519
18,398,308
1997
3,556,258
6,184,269
3,946,343
5,759,291
19,446,161
1998
3,197,152
6,738,646
3,361,814
5,412,408
18,710,020
1999
3,284,779
6,919,126
3,434,145
5,443,578
19,081,627
2000
3,107,946
6,881,795
3,419,821
5,201,523
18,611,085
2001
3,561,834
7,870,393
3,899,770
5,733,235
21,065,231
2002
3,906,855
9,220,918
4,985,301
7,823,062
25,936,136
2003
3,808,955
9,102,722
5,105,873
7,573,329
25,590,879
2004
3,661,713
9,177,965
4,845,469
7,948,214
25,633,361
2005
3,352,736
9,204,892
5,241,362
7,627,208
25,426,198

Source: National Survey on Drug Use and Health; National Household Survey on Drug Abuse; Substance Abuse and Mental Health Services Administration (SAMHSA), Department of Health and Human Services.

 
 
  
 
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