Generalized Anxiety Disorder

Generalized Anxiety Disorder is indexed under Mental Health & Behavioral, Anxiety Disorders. Also known as GAD.

US prevalence
2.7% past-year prevalence among U.S. adults age 18+ in NCS-R (2001-2003); 5.7% lifetime prevalence Source: NIMH — Generalized Anxiety Disorder statistics (NCS-R). Federal source. Label: VERIFIED.
ICD-10-CM codes
F41.1
Typical onset
Median onset ~30 years; can begin in childhood
Course
episodic
Body systems
psychiatric
Sex differences
F:M ~2:1
Racial and ethnic differences
Lower reported prevalence in Black and Asian Americans (may reflect cultural differences in reporting)

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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