Hypertension

Hypertension is indexed under Cardiovascular, Vascular. Also known as high blood pressure, HTN, essential hypertension.

US prevalence

47.7% of U.S. adults age 18+ (August 2021-August 2023) Source: NCHS Data Brief 511 — Hypertension Prevalence, Awareness, Treatment, and Control Among Adults. Federal source. Label: VERIFIED.

ICD-10-CM codes

I10, I11, I12, I13

Typical onset

Increases with age; ~22% of 18-39, ~55% of 40-59, ~75% of 60+

Course

lifelong

Body systems

cardiovascular, renal, neurological

Sex differences

Higher in men until ~65; then higher in women

Racial and ethnic differences

Black Americans have highest prevalence (~57%) and earlier onset

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.

Browse all indexed conditions · Source registry · Methodology · Known limitations