Bipolar I Disorder prevalence is similar among adults and adolescents, as well as males and females. Here, we look at the genetic, environmental, and suicide risks associated with the condition.

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Bipolar Disorder in the US

Adults 18 years and older

  • Estimated 2.8% in the past year
    • 9% had serious impairment
    • 1% had moderate impairment
  • Estimated 4.4% at some time in their lives.

Adolescents (13 to 18 years old)

  • Estimated 2.9% of lifetime prevalence
  • Severe impairment: 2.6%

Worldwide Lifetime Prevalence

  • 2.4% overall lifetime prevalence of bipolar spectrum disorders, across 11 countries
  • World Mental Health Survey:
    • 0.6% for bipolar type 1
    • 0.4% for bipolar type 2
    • 6 to 7.8% experience hypomania; of that, 0.5 to 6.3% is cyclothymia

Sources: NIMH. Bipolar Disorder; Jain A, Mitra P. Bipolar Affective Disorder. StatPearls [Internet]. February 27, 2021.

By Angie Drakulich
Updated: Jul 14, 2021
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