Slide 2 of 6
This figure shows the rates of drug use on college campuses across the country. The data is from a survey of 59539 college students from 2 and 4 year Universities. The usage rates of various drugs go up and down over time depending on popularity and availability. These figures are lower than in previous decades for most drugs.
Source: Presley, C.A., and Meilman, D.W., Cashim, J., Lyerla, R. (1993). Alcohol and Drug Use on American College Campuses: Use, Consequences and Perceptions. Vol. I: 1989-1991. Carbondale, IL. The Core Institute.