Table 1. Sale of psychiatric drugs (2010).

In addition, a large fraction of prescriptions for anticonvulsants are written for patients with bipolar disorder and impulse-control disorders.

Drug class/indicationGlobal sales
Antipsychotic drugs$22 billion
Antidepressant drugs$20 billion
Antianxiety drugs$11 billion
Stimulants$5.5 billion
Dementia$5.5 billion
Sleep disorders$4.5 billion
Substance use and addictive disorders$3 billion