Miech, R. A., Schulenberg, J. E., Johnston, L. D., Bachman, J. G., O'Malley, P. M., & Patrick, M. E. (December 17, 2018). "National Adolescent Drug Trends in 2018." Monitoring the Future: Ann Arbor, MI. Retrieved MM/DD/YYYY from http://www.monitoringthefuture.org
Data TablesTrends in Use of Various Drugs - Tables 1–4
Trends in Prevalence of Use of Various Drugs for Three Grades Combined - Tables 5–8
Trends in Attitudes - Tables 9–14
Trends in Availability - Tables 15–17
Publicly available Monitoring the Future microdata from the cross-sectional, in-school surveys may be obtained through the National Addiction & HIV Data Archive Program (NAHDAP), a part of the Inter-university Consortium for Political and Social Research (ICPSR).
The University of Michigan
P.O. Box 1248
Ann Arbor, MI 48106-1248
Note that these data sets have had all personal indentifiers removed, and other information that might be used to impute identities has been either altered or removed altogether to protect study respondents.