Please note that this page is a static copy of a previously published web page and is no longer actively maintained.
Be aware that the information contained here may be out-of-date.
For the most recent information, we recommend visiting the main website of the EMCDDA.
Black squares are samples with national coverage; blue triangles are samples with subnational (including local or regional) coverage. Differences between countries have to be interpreted with caution owing to different types of settings and/or study methods; national sampling strategies vary.
Data for Portugal, Cyprus, Romania and Slovenia are limited to prevalence among IDUs in treatment and may not be representative of prevalence among IDUs who are not in treatment.
Part of data from Portugal and Hungary include non-IDUs and therefore may underestimate prevalence among IDUs (estimated proportion of non-IDUs in the samples not known).
Countries are presented by order of increasing prevalence, based on the average of national data or, if not available, of subnational data.
Czech Republic: data are from 2003; Turkey: data are from 2004; Poland: data are from 2004-05
For primary sources, study details and data before 2006, see Table INF-13 and Table INF-0.
See also ‘General notes for interpreting data’ on the Explanatory notes and help page
(see the help page for information about formats etc.)
Page last updated: Thursday, 30 July 2009