Heroin addicts in the US, UK and Russia

According to the BBC, there are around 800,000 heroin addicts in the United States, between 200,000 to 300,000 heroin addicts in the United Kingdom, and up to 2.5 million addicts in Russia.

(More heroin addiction facts and statistics.)

Source: Rupert Wingfield-Hayes, “The heroin epidemic advancing on Russia,” BBC News, April 3, 2010.