Women don’t age worse than men across the board, but they do face sharper declines in specific areas, particularly skin, bone density, and joint health, largely driven by the hormonal cliff of menopause. Men, on the other hand, lose muscle mass faster, develop deeper wrinkles earlier, and die sooner. The real answer depends on what you mean by “aging worse,” because men and women age differently rather than one sex getting a universally worse deal.
The Morbidity-Mortality Paradox
There’s a well-documented contradiction in aging research that scientists have been studying since the 1970s: women tend to have worse health than men as they age, yet they consistently outlive them. Women report higher rates of chronic conditions like diabetes, hypertension, and arthritis, while men are more likely to die from those same conditions at younger ages. This gap is sometimes called the morbidity-mortality paradox.
Several factors drive this pattern. Men have higher biological vulnerability to cardiovascular disease and tend to use health care less. Women are more likely to develop disabling but non-fatal conditions. The average age for a first heart attack is 65 in men compared to 72 in women, a seven-year gap largely attributed to the protective effects of estrogen before menopause. So women live longer, but they spend more of those extra years managing chronic illness.
Skin Aging Hits Women Harder After Menopause
If your question is really about visible aging, the picture shifts depending on the decade. Before age 50, women’s skin actually holds up better. Men’s skin starts thinning linearly from age 20 onward, while women’s skin thickness stays relatively constant until around 50. Men also tend to have deeper facial wrinkles than women in nearly every age group up to 65.
After menopause, that advantage reverses sharply. The drop in estrogen causes skin collagen to decline at roughly 2.1% per year over a 15-year postmenopausal period. This leads to thinner skin, less elasticity, more dryness, and reduced blood flow to the skin’s surface. By the oldest age groups (65 to 75), women’s wrinkles catch up to or exceed men’s. Men start with skin that is 10 to 20% thicker than women’s across the face and body, which provides a structural buffer against visible aging even as their skin gradually thins.
Bone and Joint Changes Diverge Sharply
Osteoporosis is four times more common in women than in men after age 50. National survey data shows the prevalence of osteoporosis at the hip and spine is about 16% for women over 50 compared to just 4% for men. Osteopenia, the precursor stage of bone thinning, affects 61% of women versus 38% of men in the same age range. Again, menopause is the primary driver. The rapid loss of estrogen accelerates bone breakdown in a way that the more gradual testosterone decline in men does not.
Facial bones tell a similar story. A longitudinal study using 3D CT scans found that women experience more dramatic shrinkage of the jaw (specifically the ramus, the vertical part of the jawbone) than men do in the years following menopause: a loss of 4.6 mm compared to 2.8 mm in men over the same interval. This bone resorption contributes to the sunken or sagging appearance that becomes more noticeable in women’s faces during their 50s and 60s. Men, meanwhile, show greater expansion of the eye socket opening, which can make the eyes look more hollow with age.
Men Lose Muscle Faster
Muscle loss begins around age 35 for both sexes, at a rate of 1 to 2% per year, accelerating to about 3% per year after 65. But the absolute rate of muscle loss is greater in men than in women, and this difference isn’t simply because men start with more muscle. Men experience a steeper decline in both muscle mass and strength, which partly explains why falls and frailty can catch older men off guard. Women are more likely to develop sarcopenia (clinically significant muscle loss) due to starting with less muscle overall, but the trajectory of decline is less steep.
Cellular Aging Favors Women
At the cellular level, women have a measurable advantage. Telomeres, the protective caps on the ends of chromosomes that shorten as cells divide, are longer in women than in men from birth. Female newborns have telomeres that are 0.1 to 0.3 kilobases longer than males’, and this gap persists throughout life because the rate of telomere shortening is slightly faster in men. Researchers have calculated that the telomere length difference at birth alone could account for 5 to 8 extra years of life expectancy, which closely matches the observed longevity gap between the sexes.
Women outlive men in virtually every country on Earth. Global data tracking the sex gap in life expectancy from 1751 to 2023 consistently shows women living longer, though the size of the gap varies by era and region.
Alzheimer’s Risk Is Higher for Women
About two-thirds of people diagnosed with Alzheimer’s disease are women. Part of this is simply math: women live longer, and age is the single biggest risk factor for Alzheimer’s. But longevity alone may not fully explain the gap, and researchers continue to investigate whether hormonal changes at menopause play a direct role in brain vulnerability.
The relationship between estrogen therapy and Alzheimer’s risk has been contentious. Early studies suggested that starting estrogen after age 65 might increase dementia risk, but more recent research has found no such association when hormone therapy begins within five years of menopause. Current evidence suggests treating menopausal symptoms with hormone therapy during that window does not raise dementia risk.
So Who Ages “Worse”?
If you define aging by how long you live, men age worse. They die younger by 5 to 8 years on average, have shorter telomeres from the day they’re born, and experience their first cardiovascular events nearly a decade earlier than women. If you define aging by visible changes, women face a more abrupt shift at menopause, with rapid collagen loss, bone thinning, and skin changes that can make the transition feel sudden. And if you define aging by years spent in poor health, women again come out behind, living longer but with higher rates of chronic disease and disability.
The honest answer is that both sexes age poorly in different ways. Men’s aging is more lethal. Women’s aging is more visible and more drawn out. Neither experience is objectively worse. It depends entirely on what you’re measuring.