Persistent Depressive Disorder

Persistent Depressive Disorder is indexed under Mental Health & Behavioral, Mood Disorders. Also known as dysthymia, PDD, chronic depression.

US prevalence

~1.5% of adults Source: NIMH. Federal source. Label: VERIFIED.

ICD-10-CM codes

F34.1

Typical onset

Often insidious onset in adolescence or early adulthood

Course

lifelong

Body systems

psychiatric

Sex differences

F:M ~2:1

Racial and ethnic differences

Limited specific data

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