The 2007 National Survey on Drug Use & Health is an updated analysis and
was released September 4, 2008. This is a annual survey of the civilian,
non-institutionalized population of the U.S. (aged 12 years old or older)
and presents national estimates of rates of drug and alcohol use, numbers
of users, and other measures related to illicit drugs, alcohol, and
tobacco products.
A copy of the report, "2007 National Survey on Drug Use and Health," is available from the CSDP research archive.