Explainer · Fitness & Exercise
How many steps a day are linked to better health? What the research shows
Ten thousand steps a day is the best-known fitness target, but it was never based on much evidence. Studies that tracked people's steps with devices point to benefits well below that, with most of the gain by around 7,000.
- The 10,000-step target was widely promoted before there was much evidence behind it.
- In pooled studies, risk of death fell steeply as steps rose, then leveled off around 5,000 to 7,000 a day.
- Compared with 2,000 steps, 7,000 went with about 47% lower risk of death and 38% lower risk of dementia.
- The benefit leveled off at a lower count in people over 60 than in younger adults.
- These are observational studies; people who walk more may be healthier to begin with.
Ten thousand steps a day is probably the most famous number in fitness. It is built into fitness trackers and workplace challenges, and many people treat it as a pass mark. It turns out the number was popular long before researchers had tested it.
Studies that track people’s steps with devices now give a clearer answer. The benefit of walking more rises steeply at first and then levels off, and most of the drop in risk of death is reached somewhere around 5,000 to 7,000 steps a day. More can still help, especially for younger adults, but 10,000 is not a threshold.
Where the 10,000-step target came from
A 2022 analysis in The Lancet Public Health put the problem plainly: although 10 000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. The target spread through marketing and habit rather than through studies of health outcomes.
Official guidelines are written in minutes, not steps. The World Health Organization (WHO) tracks whether adults meet the global recommendations of at least 150 minutes of moderate-intensity physical activity per week. Steps are simply an easier thing for a device to count.
What the step count studies show about risk of death
The 2022 analysis pooled raw data from 15 cohorts in several countries, covering 47,471 adults followed for a median of about seven years. People were split into four groups by steps: medians of about 3,600, 5,800, 7,800 and 10,900 a day.
Compared with the least active group, the risk of death was about 40% lower in the second group, 45% lower in the third and 53% lower in the most active. Across all the studies there were about 3,000 deaths, roughly 10 for every 1,000 people each year, so these percentages describe differences in a common outcome among mostly middle-aged and older adults. Age mattered: risk kept falling among adults aged 60 years and older with increasing number of steps per day until 6000-8000, and in younger adults until about 8,000 to 10,000.
What a 2025 review found about steps and many conditions
A broader 2025 review in the same journal looked beyond deaths. It included 57 studies from 35 cohorts, all using devices to count steps, and pooled 31 of them to see how steps related to heart disease, cancer, diabetes, dementia, depression and falls.
For all-cause mortality, cardiovascular disease incidence, dementia, and falls, the risk fell steeply and then flattened, with inflection points at around 5000-7000 steps per day. Compared with 2,000 steps a day, 7,000 went with about 47% lower risk of death, 25% lower risk of heart disease, 38% lower risk of dementia, 22% fewer depressive symptoms and 28% fewer falls. For some outcomes, including type 2 diabetes and cancer deaths, the risk kept falling steadily with more steps.
How sure can anyone be? The review graded the evidence certainty as moderate for all outcomes except a few, including heart disease deaths, cancer incidence, physical function and falls, where it was low or very low. Moderate means the true effect is probably close to the estimate but could differ.
The authors conclude that 10,000 steps per day can still be a viable target for those who are more active, while 7000 steps per day is associated with clinically meaningful improvements in health outcomes and may be more realistic for some people.
Does walking speed matter as much as the step count?
Pace seems to matter less than volume. In the 2022 analysis, faster walking was linked to lower risk at first, but once total steps were accounted for, the association was attenuated. The total number of steps carried most of the signal.
That fits a simple picture: every kind of movement counts. The devices in these studies counted all steps, including housework, errands and commuting, not only planned walks. MedlinePlus describes aerobic exercises such as walking, running, or swimming as one of the main types of exercise, alongside strength and flexibility work, which step counts do not capture.
What step count research cannot tell us
These are observational studies. People who walk more may already be healthier, and illness that has not yet been diagnosed can reduce how much someone moves. The researchers adjusted for known health conditions, but that cannot remove the problem entirely.
The 2025 review notes limitations such as the small number of studies available for most outcomes, a lack of age-specific analysis and biases at the individual study level. For falls, cancer incidence and physical function, the certainty of the evidence was low or very low. Step counts also miss swimming, cycling and strength training.
What the step count evidence adds up to
Taken together, the research points to a curve rather than a finish line. Going from very few steps to a moderate number goes with the largest difference in risk, and the gains taper as counts climb. For older adults, the curve flattens at a lower count than for younger adults.
That is a different message from the all-or-nothing idea of 10,000. The numbers describe averages across large groups; what level of activity suits any one person depends on their age, health and fitness.
People also ask
Is 10,000 steps a day necessary for health?
The evidence does not support 10,000 as a threshold. In a 2025 meta-analysis, most of the lower risk of death was reached by about 5,000 to 7,000 steps a day, and its authors describe 10,000 as a viable target for people who are already more active.
How much lower was the risk at 7,000 steps?
Compared with 2,000 steps a day, 7,000 went with a 47% lower risk of death (hazard ratio 0.53, 95% CI 0.46 to 0.60), 25% lower risk of heart disease, 38% lower risk of dementia, 22% fewer depressive symptoms and 28% fewer falls. The link with cancer incidence was not clear.
Does age change the numbers?
Yes. In the 2022 analysis, the risk of death kept falling up to about 6,000 to 8,000 steps a day in adults 60 and older, and up to about 8,000 to 10,000 in younger adults.
Does walking speed matter?
The 2022 analysis found that once total steps were accounted for, the link with walking pace mostly weakened. The total number of steps mattered more than how fast they were taken.
Do all steps count, or only exercise?
The studies used devices that counted every step, from housework and commuting to deliberate walks, so the totals include everyday movement.
What do activity guidelines say?
The World Health Organization sets targets in minutes rather than steps, and notes that many adults do not meet at least 150 minutes of moderate-intensity activity a week. This is general information rather than medical advice.
References
- Ding, D., Nguyen, B., Nau, T., et al. Daily steps and health outcomes in adults: a systematic review and dose-response meta-analysis. The Lancet Public Health, 2025.
- Paluch, A. E., Bajpai, S., Bassett, D. R., et al. Daily steps and all-cause mortality: a meta-analysis of 15 international cohorts. The Lancet Public Health, 2022.
- World Health Organization. Physical activity. Fact sheet.
- MedlinePlus. Exercise and Physical Fitness. US National Library of Medicine.