According to the Centers for Disease Control and Prevention (CDC), opioids — which include prescription opioids, heroin, and fentanyl — represented 63% of the approximately 52,000 drug overdoses in 2015
This is roughly 91 Opioid overdoses per day in 2015
By number of dosage units from 2007 to 2016, opioids accounted for five out of the seven controlled substances distributed (DEA).
There were 18.9 million people aged 12 or older who misused prescription psychotherapeutic drugs in 2015. This number included 12.5 million who misused pain relievers in the previous year.
Recent initiates of pain reliever misuse accounted for 2.1 million people aged 12 or older, coinciding with an estimated 2.0 million people reporting pain reliever misuse disorder (DEA)
NIH Research on Opioids: https://www.drugabuse.gov/drugs-abuse/opioids/opioid-overdose-crisis