This Bulletin presents the key findings at a local level from the fourth drug prevalence survey of households by Regional Drug and Alcohol Task Force (RDATF) in Ireland and Health and Social
Care Trust (HSCT) in Northern Ireland. Within Ireland the survey sampled a representative number of people aged 15+ from August 2014 to August 2015. The survey was carried out according to
standards set by the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA).