Heroin administration route in Europe 2016

The data shows the administration routes used by heroin users in Europe in 2016. In this year in Europe the most common way of administering heroin was through injecting, with 35% of users doing so. This was followed by smoking or inhaling with 38% of users doing so. One of the least common ways of administering heroin was through sniffing, with only 10% of users doing so.