"The proportion of clients in treatment for the three broad categories of substance abuse problems—both alcohol and drug abuse, drug abuse alone, and alcohol abuse alone—demonstrated some changes between 2011 and 2020.
"● The percentage of clients in treatment for both drug and alcohol abuse decreased from 44 percent in 2011 to 31 percent in 2020. (The number of clients in treatment for both drug and alcohol abuse decreased from 535,258 in 2011 to 333,526 in 2020 [Table 3.3].)
"● The percentage of clients in treatment for drug abuse alone increased from 38 percent in 2011 to 52 percent in 2020. (The number of clients in treatment for drug abuse alone increased from 464,406 in 2011 to 743,828 in 2019 and then decreased to 569,522 in 2020 [Table 3.3].)
"● The percentage of all clients in treatment for alcohol abuse alone decreased from 18 percent in 2009 to 13 percent in 2020. (The number of clients in treatment for alcohol abuse alone decreased from 221,632 in 2011 to 146,710 in 2020 [Table 3.3].)
"● The percentage of clients in treatment for diagnosed co-occurring mental and substance use disorders increased from 41 percent in 2011 to 49 percent in 2020. (The number of clients in treatment for diagnosed co-occurring mental and substance use disorders increased from 506,162 in 2011 to 702,914 in 2019, before falling to 531,105 in 2020 [Table 3.3].)"
Substance Abuse and Mental Health Services Administration, National Survey of Substance Abuse Treatment Services (N-SSATS): 2020. Data on Substance Abuse Treatment Facilities. Rockville, MD: Substance Abuse and Mental Health Services Administration, 2021.
