Daily Marijuana Users

The NSDUH Report:  Daily Marijuana Users

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Highlights:

• Based on SAMHSA's 2003 National Survey on Drug Use and Health, 3.1 million persons aged 12 or older used marijuana daily, that is, on 300 or more days in the past year. Between 2002 and 2003, the number of 12 to 17 year olds reporting daily use of marijuana decreased from 358,000 to 282,000; while there were no changes in the number of daily marijuana users among 18-25 year olds or adults age 26 or older.

• An estimated 39.2% of daily marijuana users were dependent on or abused marijuana compared with 13.5% of less-than-daily marijuana users.

• Daily marijuana users (63.3%) were more likely than less-than-daily marijuana users (38.8%) or non marijuana users (4.6%) to use another illicit drug. Daily marijuana users also were more likely to be current cigarette smokers and heavy drinkers.

• More than half of daily marijuana users (53.3%) reported dependence on or abuse of alcohol or an an illicit drug compared with those who were less-than-daily users (36.5%) and nonusers (5.6%).

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This Short Report, The NSDUH Report:  Daily Marijuana Users, is based on SAMHSA's  National Survey on Drug Use and Health, formerly called the National Household Survey on Drug Abuse (NHSDA) conducted by the Office of Applied Studies (OAS) in the Substance Abuse and Mental Health Services Administration (SAMHSA).  SAMHSA's National Survey on Drug Use and Health (NHSDA/NSDUH) is the primary source of information on the prevalence, patterns, and consequences of drug and alcohol use and abuse in the general U.S. civilian non institutionalized population, age 12 and older.   The NHSDA/NSDUH also provides estimates for drug use by state.