Problem Drug Use and Its Correlates
"Combining the 2009/10 estimates for England, Scotland, Wales (Hay et al. 2011; ISD Scotland 2011; Welsh Government 2011a) and the most recent estimate for Northern Ireland for 2004 (Centre for Drug Misuse Research 2006) it is possible to derive an estimate for the United Kingdom of 383,534 problem drug users, a rate of 9.38 per 1,000 population aged 15 to 64 (Table 4.2)."
Source
UK Focal Point on Drugs, "United Kingdom Drug Situation 2012 Edition: Annual Report to the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA)" (London, England: UK Government, Department of Health, October 31, 2012), p. 85.
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