Graphed as percentage of population age 12 and older
| Sources: | National Survey on Drug Use and Health National Household Survey on Drug Abuse |
| Multiple Years | |
Click labels in graphic or table headers for overall drug use trends
| Non-medical Tranquilizer Use Among Those 12 and Older (Number of Users) | |||
|---|---|---|---|
| Year | Ever Used | Past Year | Past Month |
| 1985 | -- | -- | -- |
| 1982 | -- | -- | -- |
| 1985 | 14,692,000 | 6,181,000 | 4,282,000 |
| 1988 | 8,774,000 | 4,124,000 | 2,512,000 |
| 1991 | 10,445,000 | 3,143,000 | 2,232,000 |
| 1992 | 9,766,000 | 2,851,000 | 1,646,000 |
| 1993 | 8,751,000 | 2,380,000 | 1,223,000 |
| 1994 | 8,390,000 | 2,405,000 | 967,000 |
| 1995 | 8,251,000 | 2,210,000 | 809,000 |
| 1996 | 7,774,000 | 2,430,000 | 952,000 |
| 1997 | 6,931,000 | 2,122,000 | 845,000 |
| 1998 | 7,726,000 | 1,940,000 | 655,000 |
| 1999 | 13,860,000 | 2,728,000 | 1,097,000 |
| 2000 | 13,007,000 | 2,731,000 | 1,000,000 |
| 2001 | 13,945,000 | 3,673,000 | 1,358,000 |
| 2002 | 19,267,000 | 4,849,000 | 1,804,000 |
| 2003 | 20,220,000 | 5,051,000 | 1,830,000 |
| 2004 | 19,852,000 | 5,068,000 | 1,616,000 |
| 2005 | 21,041,000 | 5,249,000 | 1,817,000 |
| 2006 | 21,303,000 | 5,058,000 | 1,766,000 |