Overactive Bladder

Overactive Bladder is indexed under Renal & Urologic, Bladder Disorders. Also known as OAB.

US prevalence

~33 million (~16% of adults) Source: AUA; Urology Care Foundation. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

N32.81

Typical onset

Increases with age; common >40

Course

managed

Body systems

urologic

Sex differences

More commonly reported in women; may be underdiagnosed in men

Racial and ethnic differences

Similar across groups; Black women may have higher rates

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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