Deaths due to drug overdose have topped a million over past 20 years, U.S. broadcaster NPR reported on Thursday, citing statistics from the Centers for Disease Control and Prevention (CDC).

According to a study released by the National Center for Health Statistics, a division of the CDC, 932,364 people died in the United States from fatal overdoses from 1999 through 2020.

Separate preliminary data from the CDC shows another 100,000 drug-related deaths expected in 2021, said the report.