How common is hair loss among adults?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Hair loss is a common concern affecting millions of adults worldwide. Both men and women can experience thinning or shedding, most often due to male or female pattern hair loss. Other causes include hormonal changes, stress, nutritional deficiencies, medical conditions, and certain medications.

Because hair loss can stem from many different underlying factors, identifying the specific cause is the essential first step toward effective treatment. Rather than guessing or waiting to see if the problem worsens, you can get clarity right now. Take a free, instant, online symptom check to better understand what may be causing your hair loss and confidently navigate your next steps.

Reviewed for medical accuracy: 07/14/2026

Important Next Steps

Learn why adult hair loss happens Discover if your hair loss is serious See what may be causing hair loss Find OTC options for hair loss Find a doctor for hair loss Discover home remedies for hair loss Understand likely causes of hair loss

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Explanation

Hair loss is a common condition that affects many adults, both men and women. For men, male pattern hair loss is very prevalent, especially as they get older. According to a study, a significant number of men aged 18 to 49 experience this type of hair loss.

For women, female pattern hair loss is also common, although it may present differently than in men. Both types of hair loss can be distressing but are treatable.

If you're experiencing unusual hair loss or other concerning symptoms, you can use a free symptom checker to help identify potential causes and determine if you should seek medical attention. There are different treatments available, including natural compounds, which can help manage the condition. It is important for individuals experiencing hair loss to understand that they are not alone and that help is available.

(References)

Gasmi A, Mujawdiya PK, Beley N, Shanaida M, Lysiuk R, Lenchyk L, et al. (2023). Natural Compounds Used for Treating Hair Loss. Current pharmaceutical design, 37151166.
Tamashunas NL, & Bergfeld WF. (2021). Male and female pattern hair loss: Treatable and worth .... Cleveland Clinic journal of medicine, 33648970.
Rhodes T, Girman CJ, Savin RC, Kaufman KD, Guo S, Lilly FR, et al. (1998). Prevalence of male pattern hair loss in 18-49 year old men. Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.], 9865198.

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