"Among people aged 12 or older, the percentage with a past year SUD (i.e., alcohol use disorder, illicit drug use disorder, or both) remained stable between 2015 and 2019 (Figure 45 and 2019 DT 7.46). In 2019, 20.4 million people aged 12 or older (or 7.4 percent of this population) had an SUD in the past year, including 14.5 million who had an alcohol use disorder and 8.3 million who had an illicit drug use disorder (Figure 46). Among the 8.3 million people with a past year illicit drug use disorder, 4.8 million people had a marijuana use disorder, and 1.4 million people had a prescription pain reliever use disorder.

"Among the 20.4 million people aged 12 or older with a past year SUD in 2019, 71.1 percent (or 14.5 million people) had a past year alcohol use disorder (Figure 47), and 40.7 percent (or 8.3 million people) had a past year illicit drug use disorder. Among the 14.5 million people with a past year alcohol use disorder, 12.1 million had an alcohol use disorder but not an illicit drug use disorder. Among the 8.3 million people with a past year illicit drug use disorder, 5.9 million had an illicit drug use disorder but not an alcohol use disorder. Among people with a past year SUD, 11.8 percent (or 2.4 million people) had both an alcohol use disorder and an illicit drug use disorder in the past year.21

"Aged 12 to 17
"Among adolescents aged 12 to 17 in 2019, 4.5 percent (or 1.1 million people) had a past year SUD (Figure 45 and 2019 DT 7.47). These estimates in 2019 were higher than the estimates in 2018, but they were similar to the estimates in 2015 to 2017.

"Aged 18 to 25
"Among young adults aged 18 to 25, the percentage with a past year SUD declined from 15.3 percent (or 5.3 million people) in 2015 to 14.1 percent (or 4.8 million people) in 2019 (Figure 45 and 2019 DT 7.49). The percentage in 2019 was lower than the percentages in 2015 and 2016, but it was similar to the percentages in 2017 and 2018.

"Aged 26 or Older
"Among adults aged 26 or older, the percentage with a past year SUD remained stable between 2015 and 2019 (Figure 45 and 2019 DT 7.50). In 2019, 6.7 percent of adults aged 26 or older (or 14.5 million people) had an SUD in the past year."

Source

Substance Abuse and Mental Health Services Administration. (2020). Key substance use and mental health indicators in the United States: Results from the 2019 National Survey on Drug Use and Health (HHS Publication No. PEP20-07-01-001, NSDUH Series H-55). Rockville, MD: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration.