According to the European Monitoring Centre for Drugs and Drug Addiction, the following figures represent the number of users of illicit drugs in Europe as of 2009.

• 22.5 million people used a cannabis product such as marijuana in the European Union in 2008.
• 2 million people used amphetamines in the EU in 2008.
• 4 million people used cocaine in the EU in 2008.
• 1.4 million people used opiate products such as heroin in 2007 (last available year)

Source:  “Annual Report 2009: The State Of The Drug Problem In Europe,” European Monitoring Centre for Drugs and Drug Addiction, November 2009.