Past Month Illicit Drug Use among Persons Aged 12 or Older, by Age: 2008 and 2009
+ Difference between this estimate and the 2009 estimate is statistically significant at the .05 level.
- From 2008 to 2009, statistically significant increases in the rate of illicit drug use were observed among three of the age groups shown in Figure 2.4. Among youths aged 16 or 17, the rate increased from 15.2 to 16.7 percent; for young adults aged 21 to 25, it increased from 18.4 to 20.5 percent; and among adults aged 50 to 54, the rate increased from 4.3 to 6.9 percent.
- In 2009, adults aged 26 or older were less likely to be current drug users than youths aged 12 to 17 or young adults aged 18 to 25 (6.3 vs. 10.0 and 21.2 percent, respectively). However, there were more drug users aged 26 or older (12.2 million) than users aged 12 to 17 (2.5 million) and users aged 18 to 25 (7.1 million) combined.
- The rate of past month illicit drug use increased from 2008 to 2009 among youths aged 12 to 17 (from 9.3 to 10.0 percent) and young adults aged 18 to 25 (from 19.6 to 21.2 percent)
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