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Drug War Facts
 

Marijuana

  1. In 2000, 46.5 percent of the 1,579,566 total arrests for drug abuse violations were for marijuana -- a total of 734,497. Of those, 646,042 people were arrested for possession alone. This is an increase over 1999, when a total of 704,812 Americans were arrested for marijuana offenses, of which 620,541 were for possession alone.

     

    Marijuana Arrests and Total Drug Arrests in the US

    Year Total Drug Arrests Total Marijuana Arrests Marijuana Trafficking/Sale Arrests Marijuana Possession Arrests
    2000 1,579,566 734,497 88,455 646,042
    1999 1,532,200 704,812 84,271 620,541
    1998 1,559,100 682,885 84,191 598,694
    1995 1,476,100 588,964 85,614 503,350
    1990 1,089,500 326,850 66,460 260,390
    1980 580,900 401,982 63,318 338,664

    Sources: Federal Bureau of Investigation, Uniform Crime Reports for the United States 2000 (Washington DC: US Government Printing Office, 2001), pp. 215-216, Tables 29 and 4.1; Uniform Crime Reports for the United States 1999 (Washington DC: US Government Printing Office, 2000), pp. 211-212; Federal Bureau of Investigation, Uniform Crime Reports for the United States 1998 (Washington DC: US Government Printing Office, 1999), pp. 209-210; FBI, UCR for the US 1995 (Washington, DC: US Government Printing Office, 1996), pp. 207-208; FBI, UCR for the US 1990 (Washington, DC: US Government Printing Office, 1991), pp. 173-174; FBI, UCR for the US 1980 (Washington, DC: US Government Printing Office, 1981), pp. 189-191.

  2. According to the UN's estimate, 141 million people around the world use marijuana. This represents about 2.5 percent of the world population.

     

    Source: United Nations Office for Drug Control and Crime Prevention, Global Illicit Drug Trends 1999 (New York, NY: UNODCCP, 1999), p. 91.

  3. Marijuana was first federally prohibited in 1937. Today, more than 76 million Americans admit to having tried it.

     

    Sources: Marihuana Tax Act of 1937; Substance Abuse and Mental Health Services Administration, Summary of Findings from the 1999 National Household Survey on Drug Abuse (Rockville, MD: Department of Health and Human Services, 2000), p. G-4, Table G.4.

  4. A John Hopkins study published in May 1999, examined marijuana's effects on cognition on 1,318 participants over a 15 year period. Researchers reported "no significant differences in cognitive decline between heavy users, light users, and nonusers of cannabis." They also found "no male-female differences in cognitive decline in relation to cannabis use." "These results ... seem to provide strong evidence of the absence of a long-term residual effect of cannabis use on cognition," they concluded.

     

    Source: Constantine G. Lyketsos, Elizabeth Garrett, Kung-Yee Liang, and James C. Anthony. (1999). "Cannabis Use and Cognitive Decline in Persons under 65 Years of Age," American Journal of Epidemiology, Vol. 149, No. 9.

  5. In March 1999, the Institute of Medicine issued a report on various aspects of marijuana, including the so-called Gateway Theory (the theory that using marijuana leads people to use harder drugs like cocaine and heroin). The IOM stated, "There is no conclusive evidence that the drug effects of marijuana are causally linked to the subsequent abuse of other illicit drugs."

     

    Source: Janet E. Joy, Stanley J. Watson, Jr., and John A Benson, Jr., "Marijuana and Medicine: Assessing the Science Base," Division of Neuroscience and Behavioral Research, Institute of Medicine (Washington, DC: National Academy Press, 1999).

  6. The Institute of Medicine's 1999 report on marijuana explained that marijuana has been mistaken for a gateway drug in the past because "Patterns in progression of drug use from adolescence to adulthood are strikingly regular. Because it is the most widely used illicit drug, marijuana is predictably the first illicit drug most people encounter. Not surprisingly, most users of other illicit drugs have used marijuana first. In fact, most drug users begin with alcohol and nicotine before marijuana, usually before they are of legal age."

     

    Source: Janet E. Joy, Stanley J. Watson, Jr., and John A Benson, Jr., "Marijuana and Medicine: Assessing the Science Base," Division of Neuroscience and Behavioral Research, Institute of Medicine (Washington, DC: National Academy Press, 1999).

  7. A 1999 federal report conducted by the Institute of Medicine found that, "For most people, the primary adverse effect of acute marijuana use is diminished psychomotor performance. It is, therefore, inadvisable to operate any vehicle or potentially dangerous equipment while under the influence of marijuana, THC, or any cannabinoid drug with comparable effects."

     

    Source: Janet E. Joy, Stanley J. Watson, Jr., and John A Benson, Jr., "Marijuana and Medicine: Assessing the Science Base," Division of Neuroscience and Behavioral Research, Institute of Medicine (Washington, DC: National Academy Press, 1999).

  8. The DEA's Administrative Law Judge, Francis Young concluded: "In strict medical terms marijuana is far safer than many foods we commonly consume. For example, eating 10 raw potatoes can result in a toxic response. By comparison, it is physically impossible to eat enough marijuana to induce death. Marijuana in its natural form is one of the safest therapeutically active substances known to man. By any measure of rational ...[Message truncated]