Menopause Statistics: What the Research Shows for Women

Every woman who lives long enough goes through menopause, yet the best numbers on it are scattered across government pages, long-running studies and medical journals. How old are women when it happens? How long do hot flashes really last? What happens to weight, muscle, bones and heart health?

This page pulls the most reliable figures into one place, from the National Institute on Aging, the CDC, the Study of Women’s Health Across the Nation (SWAN), Mayo Clinic research and peer-reviewed reviews.

It’s written for women 25 and up who want to know what’s ahead, and most of the data comes from women in their 40s and 50s. Every figure links to its original source at the bottom of the page. Data last checked November 2026.

Jump to a sectionIn this article14 sections

1. Key Menopause Statistics at a Glance
2. Average Age of Menopause and the Perimenopause Timeline
3. How Common Are Menopause Symptoms?
4. How Long Do Hot Flashes Last? The SWAN Study
5. Menopause, Weight, Belly Fat and Muscle Loss
6. Bone Loss and Fracture Risk After Menopause
7. Heart Health Changes Around Menopause
8. Menopause at Work
9. How Many Women Get Treatment or Talk to a Doctor?
10. Early and Premature Menopause Rates
11. What These Numbers Mean for You
12. How to Cite These Statistics
13. Sources
14. Frequently Asked Questions

Key Menopause Statistics at a Glance

• 52 is the average age of menopause in the United States, and most women begin the transition between 45 and 55.¹
• About 8% of women in high-income countries reach menopause between 40 and 44, and another 2% to 4% reach it before 40.²
• Hot flashes and night sweats affect up to 80% of women going through menopause.³
• Frequent hot flashes and night sweats lasted a median of 7.4 years in the SWAN study, and kept going a median of 4.5 years after the final period.⁴
• 34% of women aged 45 to 60 in a large Mayo Clinic survey rated their menopause symptoms moderate to very severe.⁵
• About 87% of the women in that survey didn’t seek medical care for their symptoms, and only about 1 in 4 were getting any treatment.^5,6
• Perimenopausal women had about a 40% higher risk of depressive symptoms or depression than premenopausal women.⁷
• At the start of the menopause transition, the rate of fat gain doubled and lean (muscle) mass began to fall.⁸
• Women lost 10.6% of their spine bone density over the 10 years around the final period, most of it in a three-year window.⁹
• About 1 in 2 women aged 50 and older will break a bone because of osteoporosis.¹⁰
• Menopause symptoms cost an estimated $1.8 billion a year in missed U.S. workdays.¹¹
• Hormone therapy use among U.S. postmenopausal women fell from 26.9% to 4.7% between 1999 and early 2020.¹²

Average Age of Menopause and the Perimenopause Timeline

Menopause is technically one day: the point when a woman has gone 12 months without a period. It can only be confirmed looking back, a full year after the final period.¹ The years leading up to it are called perimenopause, or the menopausal transition.

Milestone	Typical age	Source
Transition starts	45–55 for most	1
Average menopause	52 (U.S.)	1
Early menopause	40–44	2
Premature (POI)	Under 40	2

How long the transition lasts depends a lot on when it starts. In SWAN’s menstrual calendar study, the median length ranged from 4.37 years in women who started latest to 8.57 years in women who started earliest.¹³

• Smoking is linked to an earlier menopause and more severe symptoms.¹
• Compared with White women, Black women are more likely to reach menopause early, according to the National Institute on Aging.¹
• Symptoms related to menopause can last anywhere from two to eight years, and timing varies widely from woman to woman.¹

Wondering whether your own changes fit? The free Is It Perimenopause? check takes a couple of minutes, and my perimenopause guide walks through each stage.

How Common Are Menopause Symptoms?

Hot flashes and night sweats are the best-known symptoms, showing up in up to 80% of menopausal women.³ They’re far from the only ones, though, and many women deal with several at once.

Symptom	How common	Source
Hot flashes	Up to 80%	3
Joint or muscle pain	71% in perimenopause	16
Brain fog	About 2 in 3	15
Sleep problems	39–47% in perimenopause	14
Any symptoms	More than 3 in 4 (ages 45–60)	6

• In the Mayo Clinic survey of 4,914 women aged 45 to 60, sleep problems and weight gain were each reported by more than half.^5,6
• Sleep problems are estimated to affect 16% to 42% of women before menopause, 39% to 47% during perimenopause and 35% to 60% after menopause.¹⁴
• Perimenopausal women had 1.4 times the odds of depressive symptoms or a depression diagnosis compared with premenopausal women. Postmenopausal women showed no significant increase.⁷
• Menopause brain fog usually leaves overall thinking ability within the normal range, and researchers say it isn’t linked to a higher risk of dementia.¹⁵
• Perimenopausal women were 1.63 times as likely to have musculoskeletal pain as premenopausal women, and moderate to severe pain became more likely with each stage.¹⁶

If achy joints are one of your symptoms, I explain what’s going on in hip pain and menopause.

How Long Do Hot Flashes Last? The SWAN Study

Women were long told that hot flashes pass within a year or two. SWAN, which followed 3,302 women at seven U.S. sites from 1996 to 2013, found otherwise. Among 1,449 women with frequent hot flashes or night sweats, the median total duration was 7.4 years.⁴

Group	Median duration
All women	7.4 years
After final period	4.5 years
Early starters	More than 11.8 years
Late starters	3.4 years

Early starters were women who first had frequent symptoms before or early in perimenopause. Late starters didn’t have them until after menopause. Duration also varied by race and ethnicity:⁴

Group	Median duration
Black	10.1 years
Hispanic	8.9 years
White	6.5 years
Chinese	5.4 years
Japanese	4.8 years

Menopause, Weight, Belly Fat and Muscle Loss

Weight gain is one of the most common complaints: more than half of the women aged 45 to 60 in the Mayo Clinic survey reported it.⁶ SWAN’s body scans show the bigger story is what that weight is made of.⁸

Phase	Fat mass	Lean mass
Before	Rising slowly	Rising slowly
Transition	Gain rate doubles	Falling
Later	Steady	Steady

• The faster fat gain and the muscle loss began at the start of the transition and continued until about 2 years after the final period.⁸
• Weight on the scale climbed steadily before the transition without speeding up, then flattened afterward. That means the scale can hide fat gain and muscle loss happening at the same time.⁸
• The researchers concluded that the faster fat gain and lean mass loss are tied to the menopause transition itself, not just to getting older.⁸

I go deeper on the causes in why women gain weight during menopause, and on what to do about it in my menopause weight loss guide and menopause diet guide.

Bone Loss and Fracture Risk After Menopause

Bone loss speeds up in a fairly short window around the final period. SWAN measured bone density in 862 women over 10 years and found the fastest loss ran from 1 year before the final period to 2 years after it.⁹

Site	Lost in 10 years	Lost in 3-year window
Spine	10.6%	7.38%
Hip	9.1%	5.8%

• Bone loss slowed but didn’t stop after the 3-year window.⁹
• Women with a higher BMI and Black women lost bone more slowly, while Chinese and Japanese women lost it faster.⁹
• About 1 in 2 women and up to 1 in 4 men aged 50 and older will break a bone because of osteoporosis.¹⁰
• About 54 million Americans have osteoporosis or low bone mass.¹⁰

You’ll often see the claim that women lose “up to 20% of their bone density in the 5 to 7 years after menopause.” It’s repeated widely, but I couldn’t trace it to a current primary source, so this page uses SWAN’s measured numbers instead. For the food side of bone health, see my bone health foods guide.

Heart Health Changes Around Menopause

Heart disease is the leading cause of death for U.S. women. It killed 304,970 women in 2023, or about 1 in every 5 female deaths, yet only about 56% of women recognize it as their number one killer.¹⁸

SWAN tracked heart risk factors in 1,054 women through their final period. Most, like blood pressure and blood sugar, changed steadily with age. Total cholesterol, LDL (“bad”) cholesterol and apolipoprotein B were different: they jumped within the year before and after the final period, a change tied to menopause itself.¹⁷

Risk factor	Pattern	Source
LDL cholesterol	Jumps near final period	17
Total cholesterol	Jumps near final period	17
Blood pressure	Steady rise with age	17

• Women’s rates of coronary heart disease don’t jump during perimenopause, but they start climbing steeply in the years after menopause.¹⁷
• The SWAN researchers say monitoring cholesterol in perimenopausal women should help prevent heart disease.¹⁷
• Over 60 million U.S. women (44%) are living with some form of heart disease.¹⁸

Menopause at Work

Women in their 40s and 50s make up a big share of the workforce, and symptoms follow them to the job. A Mayo Clinic study surveyed 4,440 employed women aged 45 to 60 about how menopause symptoms affected their work.¹¹

Measure	Result
Any bad work outcome	13.4%
Missed work in past year	10.8%
Median days missed	3
Yearly U.S. cost	$1.8 billion

• The more severe a woman’s symptoms, the higher her odds of a bad work outcome.¹¹
• The $1.8 billion estimate counts only missed workdays. It leaves out reduced hours, job loss, early retirement and job changes, so the true cost is likely higher.¹¹

How Many Women Get Treatment or Talk to a Doctor?

Most don’t. In Mayo Clinic’s 2025 survey of 4,914 women aged 45 to 60, about 87% hadn’t sought medical care for their menopause symptoms. The most common reasons were being too busy and not knowing effective treatments exist.⁵ Only about 1 in 4 women were getting any treatment at the time.⁶

Hormone therapy use has dropped sharply over the past two decades. Here’s the share of U.S. postmenopausal women using it, based on prescription data from national health surveys:¹²

Group	1999–2000	2017–2020
All women	26.9%	4.7%
White	31.4%	5.8%
Hispanic	13.8%	2.6%
Black	11.9%	0.5%

• Use fell quickly after 2002, when the Women’s Health Initiative trial reported that hormone therapy’s risks outweighed its benefits for the women studied.¹²
• The Menopause Society still calls hormone therapy the most effective treatment for hot flashes and night sweats, and lists evidence-based nonhormone options for women who can’t or don’t want to use it.³

Early and Premature Menopause Rates

Early menopause is more common than many women expect. A 2024 Lancet review estimated these rates:²

Type	Age	How common
Early	40–44	8% (12% globally)
Premature (POI)	Under 40	Another 2–4%

• The 8% figure is for women in high-income countries.²
• Both early menopause and premature ovarian insufficiency can signal a higher risk of osteoporosis and cardiovascular disease.²
• Women who reach menopause younger may also feel more distress and less supported than women who reach it at the average age.²

What These Numbers Mean for You

Here’s my take as a coach: menopause isn’t a cliff, but the data shows a real window. In the few years either side of the final period, fat gain speeds up, muscle and bone loss pick up, and cholesterol shifts. That’s exactly when good habits pay off the most.

So use that window. Lift weights two or three times a week to protect muscle and bone (here’s how I approach strength training after menopause), build meals around protein and fiber, and don’t judge your progress by the scale alone.

And if symptoms are wrecking your sleep or your workday, bring them to your doctor. Most women never do, and effective treatments exist. For how active women are at every age, see my women’s exercise statistics.

How to Cite These Statistics

Sources

1. National Institute on Aging. What Is Menopause? U.S. National Institutes of Health.
2. Mishra GD, Davies MC, Hillman S, et al. Optimising health after early menopause. The Lancet, 2024;403(10430):958–968.
3. The North American Menopause Society. The 2023 nonhormone therapy position statement of The North American Menopause Society. Menopause, 2023;30(6):573–590.
4. Avis NE, Crawford SL, Greendale G, et al. Duration of menopausal vasomotor symptoms over the menopause transition. JAMA Internal Medicine, 2015;175(4):531–539 (SWAN).
5. Kapoor E, Safwan N, Chaudhry R, et al. Addressing Menopause Symptoms: Barriers and Opportunities for Improvement. Mayo Clinic Proceedings, 2025;100(11) (survey of 4,914 women aged 45–60).
6. Mayo Clinic News Network. Mayo Clinic study finds majority of midlife women with menopause symptoms do not seek care. October 2025.
7. Badawy Y, Spector A, Lee Z, Desai R. The risk of depression in the menopausal stages: A systematic review and meta-analysis. Journal of Affective Disorders, 2024.
8. Greendale GA, Sternfeld B, Huang M, et al. Changes in body composition and weight during the menopause transition. JCI Insight, 2019;4(5):e124865 (SWAN).
9. Greendale GA, Sowers M, Han W, et al. Bone mineral density loss in relation to the final menstrual period in a multiethnic cohort. Journal of Bone and Mineral Research, 2012;27(1):111–118 (SWAN).
10. Bone Health & Osteoporosis Foundation. What Is Osteoporosis and What Causes It?
11. Faubion SS, Mara K, Griffin JM, Kapoor E, et al. Impact of Menopause Symptoms on Women in the Workplace. Mayo Clinic Proceedings, 2023;98(6) (survey of 4,440 employed women aged 45–60).
12. Yang L, Toriola AT. Menopausal Hormone Therapy Use Among Postmenopausal Women. JAMA Health Forum, 2024;5(9):e243128 (NHANES 1999–March 2020, 13,048 women).
13. Paramsothy P, Harlow SD, Nan B, et al. Duration of the menopausal transition is longer in women with young age at onset. Menopause, 2017;24(2):142–149 (SWAN).
14. Kravitz HM, Joffe H. Sleep During the Perimenopause: A SWAN Story. Obstetrics and Gynecology Clinics of North America, 2011;38(3):567–586.
15. Gurvich C, Spector A, Hickey M. Menopause-related cognitive symptoms (personal view). The Lancet Obstetrics, Gynaecology, & Women’s Health, April 2026 (summary via University College London).
16. Lu CB, Liu PF, Zhou YS, et al. Musculoskeletal Pain during the Menopausal Transition: A Systematic Review and Meta-Analysis. Neural Plasticity, 2020.
17. Matthews KA, Crawford SL, Chae CU, et al. Are changes in cardiovascular disease risk factors in midlife women due to chronological aging or to the menopausal transition? Journal of the American College of Cardiology, 2009;54(25):2366–2373 (SWAN).
18. Centers for Disease Control and Prevention. About Women and Heart Disease.

Frequently Asked Questions

This page summarizes published research and government data for education only. It isn’t medical advice. Talk with your doctor about menopause symptoms, bone density testing, heart health checks or treatment options, especially if your periods changed before age 45 or you have a heart, bone or other health condition.

Get medical help right away if you have chest pain, severe shortness of breath or fainting, or very heavy bleeding. Any bleeding after menopause should be checked by a doctor. This page is not a substitute for personal care from a qualified professional.