Global Estimated Drug-Related Mortality, 2011
"UNODC estimates that there were between 102,000 and 247,000 drug-related deaths in 2011, corresponding to a mortality rate of between 22.3 and 54.0 deaths per million population aged 15-64. This represents between 0.54 per cent and 1.3 per cent of mortality from all causes globally among those aged 15-64.20 The extent of drug-related deaths has essentially remained unchanged globally and within regions."
UNODC, World Drug Report 2013 (United Nations publication, Sales No. E.13.XI.6), p. 10.