"An estimated 8.2 million adults aged 18 or older in 2016 had co‑occurring AMI [Any Mental Illness] and an SUD [Substance Use Disorder] in the past year, corresponding to 3.4 percent of all adults. In addition, about 2.6 million adults had SMI and an SUD in the past year, representing 1.1 percent of all adults.¹

"The number of clients in treatment on the survey reference date increased by 21 percent from 2005 to 2015, from 1,081,049 in 2005 to 1,305,647 in 2015.

"Facility Operation
"Table 3.1 and Figure 4. Within the categories of facility operation, the proportions of clients in treatment demonstrated some gradual changes between 2005 and 2015.