What percentage of the U.S. population suffers from drug addiction?
Addiction
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Based upon representative samples of the US youth population in 2011, the lifetime prevalence[note 10] of addictions to alcohol and illicit drugs has been estimated to be approximately 8% and 2–3% respectively.[15]  Based upon representative samples of the US adult population in 2011, the 12 month prevalence of alcohol and illicit drug addictions were estimated at roughly 12% and 2–3% respectively.[15] The lifetime prevalence of prescription drug addictions is currently around 4.7%.[134]