- 20%: Percentage of people over age 55 who suffer some sort of mental disorder outside of "normal aging."
- 11.4%: Percentage of people over age 55 who suffer anxiety disorders.
- 6.6%: Percentage of people over age 65 who suffer severe cognitive impairment.
- 4.4%: Percentage of people over age 65 who suffer mood disorders, including depression.
Source: Department of Health and Human Services
