ACTS BEAUTY REFERENCE DESK
Hair loss statistics, clearly sourced.
Current reference points on alopecia, central scalp hair loss, and treatment-related hair loss. Each figure links to the underlying research, so writers and readers can check the context before they cite it.
Last reviewed: October 13, 2026
A CAREFUL STARTING POINT
Numbers need their context.
Hair loss has many causes, and individual research studies measure different populations, conditions, and severities. This page does not diagnose, predict outcomes, or replace medical advice. It is a concise, source-led reference for anyone discussing the practical and emotional reality behind hair loss.
ALOPECIA AREATA, UNITED STATES
0.21%
Estimated point prevalence in a large U.S. study.
A 2020 clinician-adjudicated survey estimated that alopecia areata was present in about 0.21% of the U.S. population at the time of the study.
Read the 2020 study on PubMed ↗700,000
Estimated U.S. residents represented by that 2020 alopecia areata prevalence estimate.
The number is the study authors' population estimate, not a current patient count.
Source: 2020 U.S. prevalence study ↗0.09%
Estimated point prevalence of moderate to severe alopecia areata in the same U.S. study.
The authors estimated this as roughly 300,000 people at the time of publication.
Source: 2020 U.S. prevalence study ↗28%
Of 326 Black women in one Cleveland community study had clinically evident central hair loss.
This is a local, cross-sectional study result, not a nationwide prevalence estimate.
Source: 2011 community study ↗59%
Of those study participants with clinically evident central hair loss showed signs consistent with scarring.
The researchers interpreted those cases as clinically consistent with central centrifugal cicatricial alopecia.
Source: 2011 community study ↗1.68×
Higher observed risk of severe central scalp hair loss among Black women with type 2 diabetes in one cohort study.
That 2019 finding is an association, not proof that diabetes causes hair loss.
Source: 2019 cohort study ↗70%+
Severe treatment-related hair loss reported for some anthracycline and taxane breast-cancer regimens.
A 2026 review found risk differs substantially by regimen, with combination treatment reports approaching 90% to 100% in some evidence reviewed.
Source: 2026 scoping review ↗METHODOLOGY & SOURCES
How to read and cite these figures.
Acts Beauty selected peer-reviewed research indexed by PubMed, favoring studies that state their population, method, and publication date. Figures are presented as reported by the studies, with qualifiers where a finding comes from a particular community, cohort, or treatment setting. This page was last reviewed October 13, 2026.
CITE THIS PAGE
Hair Loss Statistics: Alopecia & Scalp Health Facts (2026).
Acts Beauty. Updated October 13, 2026. https://actsbeauty.com/hair-loss-statistics
For a stable link to one statistic, use the linked heading or the identifier in the page address, such as #alopecia-areata-prevalence.
A QUIET NEXT STEP
When the numbers become personal.
Acts Beauty offers private wig consultations and thoughtful maintenance support for people navigating hair loss.