The data illustrates the percentage of substance dependence or abuse among adults in the U.S. as of 2016, sorted by level of mental illness. As of that year, some 25% of the United States adults reporting substance dependence or abuse within the past year had a serious mental illness.
Serious mental illness (SMI) | 25.4 |
Any mental illness excluding SMI | 16.4 |
No mental illness | 5.4 |