Globally, 34% of women do not get enough physical activity, compared to 29% of men. That gap has not narrowed by a single percentage point since the year 2000. According to a 2024 study published in The Lancet Global Health, which pooled data from 507 surveys across 163 countries and 5.7 million participants, the world is moving in the wrong direction, and women are bearing more of that burden than men.
The Inactivity Gap: Why 1 in 3 Women Doesn't Move Enough
The numbers from the WHO's June 2024 report are direct: women globally have an insufficient physical activity rate of 34%, versus 29% for men. In some countries, that gap reaches 20 percentage points. The Lancet Global Health analysis (Strain et al., 2024), covering trends from 2000 to 2022, found that global age-standardized inactivity prevalence rose from 23.4% in 2000 to 31.3% in 2022. Women's rates rose across all age groups, and projections suggest that by 2030, female inactivity will reach 38% if no structural changes are made.
According to WHO projections published in June 2024, women's global physical inactivity rate is on track to reach 38% by 2030, compared to 32% for men, widening a gap that has persisted for over two decades.
The numbers differ sharply by region. Women in high-income Western countries show inactivity rates that often exceed 40%, while sub-Saharan Africa and parts of Oceania track lower. Adolescent girls are also affected: WHO data shows 85% of adolescent girls globally fail to meet physical activity guidelines, compared to 78% of adolescent boys. These patterns set the stage for a lifetime of reduced activity, and the downstream health costs are substantial.
This is not primarily a motivation problem. The WHO explicitly frames the persistence of this gap as a reflection of structural and environmental inequalities, not individual failure. Women face a different landscape of access, time, safety, and social permission when it comes to exercise, and the data reflects that reality.
Who Is Exercising and What Are They Doing
Among women who are physically active, the activity picture is not uniform. Walking remains the single most commonly reported form of exercise. CDC data shows that in 2015, 65.1% of U.S. women reported walking for transportation or leisure, up from 57.3% in 2005 and 62.5% in 2010. The upward trend across that decade suggests genuine growth in low-intensity activity, even as higher-intensity exercise participation lagged.
Yoga has become a significant part of the picture for women specifically. CDC survey data from 2022, published in June 2024, found that more than 23% of U.S. women practiced yoga, making it a major category. Across all practitioners in the United States, 72% are women, according to Yoga Alliance data. The practice sits at a useful intersection for many women: low perceived barrier to entry, flexibility in scheduling, and a body-positive community framing that reduces some of the intimidation factors associated with gym environments.
Gym and fitness facility use has recovered strongly since the pandemic. U.S. fitness facility memberships reached an all-time high of 72.9 million in 2023, growing 5.8% year over year, and climbed further to 77 million in 2024 according to Health and Fitness Association (HFA, formerly IHRSA) data. Women make up a meaningful portion of this base. IHRSA data from 2020 showed women at 50.5% of gym members, and the female membership rate grew by 32.2% between 2010 and 2020, outpacing the 23.2% male growth rate over the same period. In 2024, women drove much of the growth in personal training, which rose 15.9% to 7.3 million participants.
Running, cycling, group fitness classes, and swimming round out the most common activities. The pattern that emerges is that women tend toward activities that feel accessible, community-oriented, or easily integrated into daily routines. Structured weight room training was, until recently, one of the least likely places to find women. That is changing.
The Strength Training Shift: A Decade of Change
Strength training participation among U.S. women has been on a sustained upward trend for more than a decade. Current data from the Sports and Fitness Industry Association (SFIA) shows that 52% of women now participate in strength training, compared to 65% of men. The gap exists, but the trajectory for women is meaningfully positive. Post-pandemic, women's engagement in physical activities increased by 3.5%, while men's engagement roughly returned to pre-pandemic baselines, suggesting women have been driving the recovery growth in fitness participation.
Women's gym membership grew 32.2% between 2010 and 2020, outpacing men's 23.2% growth rate over the same period, according to IHRSA data. In 2024, personal training among women rose nearly 16% year over year.
Several cultural forces are behind this shift. The rise of social media fitness content, particularly female-led strength training accounts and platforms, has provided both education and normalization. Research showing the specific benefits of resistance training for women's long-term health, particularly around bone density and metabolic function, has filtered into mainstream awareness. The science of lower body hypertrophy has become a topic of genuine public interest, not just a niche bodybuilding concern.
The old cultural script framed weight training as a male domain, with women warned off by fears of becoming "too bulky." That framing is being actively dismantled by both data and representation. Women produce significantly less testosterone than men, which means the hypertrophic response to training is different in rate and upper limit, but muscle gain, strength, and metabolic benefit are all achievable and well-documented. The conversation has moved from whether women should lift to how they should structure their training, including training around the menstrual cycle for optimized performance and recovery.
Why Women Stop: The Research on Barriers
Understanding why women are less active requires looking beyond intention. A 2023 systematic review published in BMC Public Health (Mclaughlin et al., 2023), analyzing 23 qualitative studies using the Social-Ecological Model, identified the core barriers operating at multiple levels simultaneously.
Time is the most frequently cited barrier, and it is not simply a scheduling problem. The review found that competing responsibilities, including employment, childcare, and household labour, consume women's available energy and discretionary hours in ways that differ from men's experience. Cultural expectations around gender roles mean that women's leisure time is often treated as expendable in a way that men's is not. Research has also shown that the number of children in a household explains approximately 25 to 30% of the variance in women's exercise barrier scores, with childcare access and the mental load of parenting functioning as concrete obstacles, not abstract ones.
Safety is a barrier that rarely appears in conversations about fitness marketing but shows up consistently in research. Women report avoiding outdoor exercise due to concerns about harassment, traffic, and general personal safety. The perception that public parks, running paths, and even gyms are unwelcoming or unsafe spaces limits the available options, particularly for women exercising alone or in lower-income areas with fewer indoor alternatives.
Cost and access function as compounding factors. Gym memberships, personal training, and childcare during workout time represent real financial barriers, particularly for women in lower-income brackets. The Health and Fitness Association's own research acknowledges cost as a primary deterrent to fitness facility use. For some populations, the intersection of cost, childcare, safety, and cultural expectations creates a barrier environment where sustained exercise participation becomes structurally very difficult.
Body image plays a double role: it can motivate women to start exercising, but it can also prevent them from showing up at gyms or group classes where they feel exposed to judgment. Research participants in multiple studies described feeling embarrassed or uncomfortable in fitness environments, particularly around weights or equipment traditionally associated with male use. This is one reason the normalization of women in strength spaces has genuine public health implications, not just cultural ones.
For women managing nutrition and body composition goals, understanding the full toolkit matters. Supplements like creatine for women have strong evidence behind them, but they remain underused in part because the research has historically focused on male populations and the marketing has followed suit.
What the Data Says About Strength Training Outcomes for Women
The case for women prioritizing resistance training is built on evidence that goes well beyond aesthetics.
On bone density, the findings are consistent and clinically significant. Resistance training exerts mechanical load on bone, stimulating bone-forming cells and resulting in denser, stronger bone tissue. A 2023 systematic review and network meta-analysis published in Frontiers in Physiology found that resistance training is one of the most effective interventions for improving bone mineral density in postmenopausal women. High-intensity resistance training has demonstrated improvements in bone density at the hip, spine, and wrist, which are the three sites most likely to fracture in older women. Given that women lose bone density at an accelerated rate after menopause, the window for building bone mass through training earlier in life carries long-term consequences.
A systematic review in Frontiers in Physiology (2023) found resistance training to be among the most effective interventions for bone mineral density in postmenopausal women, with measurable benefits at the hip, spine, and wrist, the three fracture-risk sites.
On mental health, a 2018 meta-analysis published in JAMA Psychiatry (Gordon et al.) analyzed 33 randomized controlled trials and found that resistance exercise training was associated with significantly reduced depressive symptoms, with an effect size of -0.66. A more recent 2023 meta-analysis of 29 randomized controlled trials confirmed that resistance training significantly reduced depressive symptoms with an effect size of -0.94, with stronger effects seen in primary depressive disorder. A 2022 overview of 97 systematic reviews covering 128,119 participants found physical activity broadly had medium effects on both depression and anxiety compared with usual care. These are not marginal findings. The mental health benefits of strength training are now considered clinically meaningful and appear independently of weight or body composition changes.
On metabolism and body composition, resistance training preserves lean muscle mass during periods of caloric deficit, which is a critical consideration for women pursuing fat loss. Research consistently shows that women who combine resistance training with dietary changes lose significantly less fat-free mass than those using diet alone. The relationship between muscle mass and resting metabolic rate is real, though the magnitude of the effect varies by study and population. What is consistent is that resistance training improves body composition outcomes across a range of interventions.
Women with specific fat loss and physique goals, such as those working toward a flatter midsection, will find that the evidence-based approaches converge on resistance training as a central rather than peripheral component.
The Home Workout Era: Pandemic Effect and What Stuck
The COVID-19 pandemic forced a global experiment in home-based exercise, and the results have permanently altered how many people, particularly women, think about fitness infrastructure.
Between 2019 and 2020, gym usage among U.S. exercisers dropped from 55% to 43%, while home workout participation rose from 24% to 34%. Home exercise peaked at 36% in 2021. By 2023, however, 51% of American exercisers reported preferring at-home routines, a figure that exceeds even the pandemic peak. Convenience was cited as the primary reason by 51% of home exercisers, while privacy attracted 20%. That combination points directly to the barrier landscape women face: home training removes the safety concerns, scheduling constraints, childcare logistics, and social judgment factors that discourage gym participation.
Women represented 56.7% of those who purchased home fitness equipment post-pandemic, according to home fitness market data cited by PTpioneer. The home fitness market in the United States was valued at $11.3 billion in 2021, with projections reaching $17.8 billion by 2030. The online fitness services market, which grew from approximately $6 billion in 2020, is projected to reach $59 billion by 2027, representing a compound annual growth rate of around 33%.
What this tells us is that when the access barriers are removed, women exercise. The pandemic effectively ran a controlled experiment: strip away the commute, the childcare logistics, the gym environment dynamics, and the time overhead, and women's fitness participation responds. The post-pandemic data showing a 3.5% increase in women's engagement relative to pre-2020 baselines, while men roughly returned to 2010 levels, supports the conclusion that home fitness infrastructure has net-positive effects on women's activity specifically.
The challenge is that home workouts without progressive structure tend to plateau. Resistance bands and bodyweight training have value, but the evidence for bone density and metabolic benefits points toward progressive load, which is most reliably delivered through gym-based or equipment-supported resistance training. The healthiest outcome of the home workout era would be women using it as an on-ramp to more structured training, not as a permanent ceiling.
The data is clear about what works for women's long-term health. Walking more is valuable, yoga builds flexibility and reduces stress, and gym membership numbers show that access is expanding. But strength training specifically, performed consistently and with progressive challenge, produces outcomes for bone density, mental health, body composition, and metabolic function that no other single modality matches. The gap between what the evidence recommends and what most women actually do is not a knowledge problem alone. It is a structural and social problem. The statistics on barriers are as important as the statistics on outcomes, because understanding why the gap persists is the first step to closing it.
Sources and Further Reading
WHO Physical Activity Data (2024): WHO: Nearly 1.8 billion adults at risk from insufficient physical activity (June 2024)
Lancet Global Health (2024): Strain et al., "National, regional, and global trends in insufficient physical activity among adults from 2000 to 2022: a pooled analysis of 507 population-based surveys with 5.7 million participants." PubMed abstract
CDC Walking Data: MMWR: Walking for Transportation or Leisure Among U.S. Women and Men (2017)
CDC Yoga Data (2024): NPR/CDC: Who's practicing yoga in America? (2024)
HFA/IHRSA Fitness Industry Data (2024): Health and Fitness Association: 77 million US fitness facility members (2024)
Barriers to Physical Activity (Systematic Review, 2023): Mclaughlin et al., "Barriers and facilitators to physical activity for young adult women: a systematic review and thematic synthesis of qualitative literature." PMC full text
Resistance Training and Bone Density (2023): Frontiers in Physiology: Comparative efficacy of resistance training protocols on bone mineral density in postmenopausal women (2023)
Resistance Training and Depression (JAMA Psychiatry, 2018): Gordon et al., "Association of Efficacy of Resistance Exercise Training With Depressive Symptoms." JAMA Psychiatry
Physical Activity and Mental Health Overview (2022): Singh et al., "Effectiveness of physical activity interventions for improving depression, anxiety and distress: an overview of systematic reviews." PubMed
Home Fitness Industry Statistics: PTpioneer: Home Fitness Industry Statistics and Trends