Results of tests for drug use in 21 big cities in the US are found in the ADAM Report. The conclusion says that: By any measure, the level of recent drug use among 1997 ADAM arrestees is significant. Every site reported that a majority of its male adult arrestees tested positive for at least one drug. The same is true for female adult arrestees in 19 out of 21 sites where data was collected. There are differences in trends for specific drugs and segments of persons arrested.
The 1996 national Survey of Inmates in Local Jails in the U.S. showed that
A. 82% of all jail inmates in 1996 said they had ever used an illegal drug, up from 78% in 1989.
B. The percentage ever using drugs regularly went from 58% in 1989 to 64% in 1996.
C. 55% used drugs in the month before the offense, vs. only 44% in 1989.
D. 36% were using drugs at the time of the offense, up from 27%.
E. 16% said they committed the crime for drug money, up a little from the 13% in 1989.

Arrestee Drug Abuse Monitoring Program