World Drug Report 2011

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Many illicit drug markets have reached global dimensions and require control strategies on a comparable scale. In that context, there is a need to better understand these transnational markets and the manner in which they operate. The annual Report, produced by the United Nations Office on Drugs and Crime, is a contribution towards that objective. It provides an overview of the illicit drug situation worldwide and regionally, analytical discussions of the key transnational drug markets and statistical trends for all major drug categories.

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The cannabis market

Cannabis remains the most widely produced and consumed illicit substance globally. The extent of the global cannabis problem did not change significantly in 2009, though the consumption estimates show a wider range. This is the result of some increases in cannabis use in the United States of America, Africa, South and Central America and Asia, though consumption in Canada, western Europe and Oceania remained stable or showed a decline.

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