| Psychological Disorder | Annual Prevalence |
|---|---|
| 18.1% | |
| Specific phobia | 8.7% |
| Social phobia | 6.8% |
| Disruptive behavior disorders | 8.9% |
| Mood disorders | 9.5% |
| Major depression | 6.7% |
| Substance disorders | 3.8% |
| Any disorder | 26.2% |
| In any given year, many people are diagnosed with a psychological disorder. The numbers here represent annual prevalence: the percentage of the U. S. population affected by a disorder over a year. (Elsewhere we have referred to lifetime prevalence, which means the percentage of the population affected by a disorder anytime in life.) | |
| SOURCE: KESSLER (2010). | |