Estimated Number of Problem Drug Users in the UK, 2011

"Latest national and regional estimates for England are for 2009/10 for opiate and/or crack cocaine use, with separate estimates available for opiate use, crack cocaine use, and injecting drug use. In Scotland, the latest national and regional estimates for problematic opiate and/or benzodiazepine use are also for 2009/10 and were published in 2011. Drug injecting estimates for Scotland are available for 2006. In Wales, local and national estimates for 2009/10 for long duration or regular use of heroin, other opioids, crack cocaine and/or cocaine powder were published in 2011. Estimates for Northern Ireland for 2004 were published in 2006 and cover problem opiate and/or problem cocaine powder use.
"Based on these, it is estimated that there are a total of 383,534 problem drug users in the United Kingdom, and 133,112 people who inject drugs (PWID) (primarily opiates or crack cocaine)."