The 2014 Global Synthetic Drugs Assessment provides a global and regional analysis of the synthetic drugs market which includes both Amphetamine-Type Stimulants (ATS) and New Psychoactive Substances (NPS). An increase in methamphetamine trafficking has been observed in many regions and a growing range of NPS has become more widely available globally. This report aims to provide an improved understanding of the problem based on scientific evidence and information provided by Member States.