Your watch buzzes at 10,000 steps a day and something in you settles. Target hit. A good day.

That number was invented to sell a pedometer in 1965. No trial produced it, no committee recommended it, and no researcher has since arrived at it independently. It was a product name.

What makes this worth 3,000 words rather than a smug paragraph is what came afterwards. Once scientists did study step counts properly, using accelerometers and hundreds of thousands of people, they found something genuinely useful. And the real number is lower, which means most people are closer to the benefit than they think.

The short version

• 10,000 steps came from the Manpo-kei, a pedometer launched by Yamasa in 1965 after the Tokyo Olympics. The name translates as “10,000-step meter.”
• The number was chosen because it was round, memorable and marketable. The Japanese character for 10,000 also happens to resemble a walking man.
• Harvard research following 16,741 older women found mortality risk dropping sharply up to around 7,500 steps, then levelling off.
• A pooled analysis of 226,000 people found measurable benefit from as few as 4,000 steps a day.
• The plateau differs by age: roughly 6,000 to 8,000 for adults over 60, and 8,000 to 10,000 for younger adults.
• The steepest gains are in the climb from sedentary to about 7,000. The last few thousand steps add very little for a lot more time.
• Which means the useful question is not whether you hit 10,000. It is whether you are above roughly 4,000.

Where 10,000 steps a day actually came from

In 1965, that number was created to promote the sale of pedometers. It was not the result of a trial, a committee’s recommendation, or an independent researcher’s discovery. It was a product name.

What occurred later makes this 3,000 words rather than a smug paragraph. When scientists studied step counts thoroughly, using accelerometers and hundreds of thousands of people, they discovered something very beneficial. And the actual number is lower, implying that most people are closer to receiving the benefit than they realize.

The Short Version

• After the Tokyo Olympics in 1965, Yamasa introduced a Manpo-kei pedometer for 10,000 steps. The name means “10,000 steps counter.
• They chose the number because it was round, easy to remember and marketable. The Japanese character for 10,000 looks like a walking man.
• A Harvard study of 16,741 older women found that the risk of death was dramatically reduced up to around 7,500 steps and then plateaued.
• An analysis of 226,000 participants combined showed significant benefits from as little as 4,000 steps per day.
• The plateau is age-dependent, from about 6,000 to 8,000 in those over 60, and 8,000 to 10,000 in younger adults.
• The biggest jumps are when you go from inactive to over 7,000. It takes a long time to get through the last few thousand steps.
• So whether or not you hit 10,000 is not a good question. It’s if you’re over 4,000.

Where did 10,000 steps a day come from?

One of the first consumer pedometers was manufactured by a Japanese clock and instrument company, Yamasa Tokei Keiki, in 1965.

The timing was deliberate. The Tokyo Olympics of 1964 had just finished and suddenly the country was excited about fitness. A lot of concern was expressed that ordinary Japanese people were not exercising as much as the Olympians they had been watching.

The device was called the Manpo-kei. The word has three parts, man meaning ten thousand, po meaning steps, and kei meaning meter. Ten thousand steps meter.

Why ten thousand specifically

It was round and memorable, which is very important when you choose a product name. The Japanese character for ten thousand, 万, looks like a person taking a step, and is a good appearance for a walking device.

This is the whole genesis. A corporation wanted a name. They chose a number that sounded okay. But the number got away.

“There were no real studies that had looked at ‘10,000 steps,'”

I-Min Lee | Harvard epidemiologist

said I-Min Lee, the Harvard epidemiologist who eventually did one of the definitive studies on this subject, candid about what was available at the time.

How a slogan became global health advice

The pedometer became popular and the phrase entered ordinary Japanese. It then entered fitness culture, corporate wellness programs, and the default settings of Fitbits, Apple Watches, and every step-counting app on your phone.

Sixty years later, a statistic selected for a 1965 product launch is deemed by millions of individuals as the difference between a healthy and lazy day. In fact, the World Health Organization does not even recognize step counts as a measure of physical activity.

“Ten thousand. A company needed a good name for a gadget, and ten thousand sounded good.”

This is the full story behind the world’s most used fitness target.

What the research on 10,000 steps a day actually found

And this is where it gets interesting. Eventually researchers did this properly using accelerometers rather than self-report, on very large groups, and consistently found results below the marketing number.

The 2019 Harvard study

The 2019 Harvard study by I-Min Lee and colleagues followed 16,741 older women, average age 72. They used hip-worn accelerometers to measure steps instead of estimates. JAMA Intern Med.

The association between mortality risk and step counts was robust, with a substantially reduced risk at very low step counts, plateauing at around 7,500 steps/day. Otherwise, no additional interventions resulted in a significant reduction in the risk of mortality for this group.

The final 2,500 steps on the road to 10,000 yielded very little.

The age divide in 2022

In Lancet Public Health, Paluch and colleagues published a pooled analysis of 15 trials of more than 47,000 adults over nearly two decades. This one counts because it showed that the answer depends on who you are.

Benefits for persons over the age of 60 plateaued at 6,000 to 8,000 steps. For adults under 60, the plateau was higher, from 8,000 to 10,000.

So $10,000 doesn’t sound crazy for young people. It is at the top of a plateau of returns that have flattened out already, which is not the same as being the target.

The lower bound is 2023

For the European Journal of Preventive Cardiology, Banach and colleagues pooled 17 studies of more than 226,000 generally healthy people in Australia, Japan, Norway, Spain, the United Kingdom and the United States and tracked them for almost seven years.

They found meaningful benefits at 4,000 steps/day and a clear dose-response relationship: more exercise was generally better and a little more exercise reduced the risk of cardiovascular and all-cause mortality.

The 4,000 figure is probably the most useful one in this essay, but it is not mentioned.

The most recent picture is 2025

Ding et al. reported significant reductions in mortality and chronic disease risk between 5,000 and 7,000 steps, with 7,000 steps associated with a significant reduction in mortality .

And the benefits keep on coming. The rate of improvement just slows down.

Why the number is less important than the shape of the curve.

The shape is the real finding, and each of the studies above shows the same shape.

The bottom of the curve is steep, the top level. It increases quite a lot from 2000 to 6000 steps. Moving from 8,000 to 12,000 doesn’t get you much.

What 10000 steps a day in practice means

If you are currently walking 3,000 steps a day, then doubling that to 6,000 is the single best health change you can make by walking. That’s about 25 minutes more a day.

If you average 8,000 already, moving to 12,000 costs you an extra 30-35 minutes a day for a barely noticeable gain in the data. That time is almost certainly better spent doing resistance training, sleeping or doing something you enjoy.

The ones who are the farthest from the 10,000 mark really miss it. 3,000 steps a man looks at 10,000 and says it’s impossible and does nothing. If he had been told the figure was 6,000, he might have begun.

The demoralisation problem

This is not a trivial point. But a goal that most sedentary people can’t achieve results in the opposite of the desired behavior because the target was never evidence-based in the first place.

There is an unpleasant symmetry to the whole picture of men’s health. The group least likely to participate in preventative healthcare is also the population that is given an artificial target and silently fails it.

The man at 3,000 steps sees 10,000 and says it is too far away, so he does nothing. If he’d known the figure was 6000 he might have started.

What the evidence cannot tell you

There are four honest limitations because this subject is reported irresponsibly both ways.

• They’re observational studies, not trials. In the last decade no one has randomly assigned people different step counts. The research examined what people did and what happened after, but that does not prove causation alone.
• Reverse causality is a real issue. The sicker you are, the less you walk and the sooner you die. Good studies will exclude early deaths and adjust for baseline health to reduce them, but they cannot be eliminated. Some of the link between low steps and death goes backward.
• Population varies, as do the numbers. Ladies who averaged 72 years old came up with the figure of 7,500. It does not support application unchanged to a 35-year-old male. That is why the age split in the 2022 analysis is so important.
• Physical exercise isn’t something you do in steps. One input is walking. Each of these three pieces, resistance training, cardiovascular fitness, and inactive time, has its own evidence base and a high step count does not make up for the lack of the other two.

Another thing to note. The secondary coverage of this study is especially suspect, including recommendations that walking past a certain point is actively harmful. The main research does not support this idea, with the consistent dose-response relationship of more is better but with diminishing returns.

What to do instead

Five things, ranked by how much they matter.

1. First, know your true baseline.
   No one knows what their average is. Check out the last month before you set any goals, your phone has been counting without being asked to. The most telling figure you have is often the difference between what your actual average is and where you thought it was.
2. Make straight up.
   If you are at 3000 on average go to 5000. If you average 6,000, aim for 8,000. If you hit a target four days out of seven it becomes a habit. But the 10,000 number is meaningless because it is a goal that is missed every day, and it produces nothing.
3. Think of 4,000 as the minimum, not 10,000 as the maximum.
   Most risk is concentrated under 4,000 steps a day. The most important thing on this list is to get above that line.
4. No optimizing above 8000.
   If you are consistently above 8,000 steps, walking more doesn’t offer much extra benefit, according to the research. More training time is better spent on resistance activity, which has its own evidence base for longevity, and can’t be replaced with walking.
5. No ringing the celebration bell.
   Your watch does not have a health threshold. It shows a default value, based on a product name from 1965. All of the major trackers have an option to change the objective to match your current baseline.

Common questions

The bottom line

The idea of 10,000 steps a day is a consumer fitness staple, but there’s not a lot of evidence to back it up. The product was named because it was round, and looked great next to a figure that looked like a walking man.

But the subsequent investigation revealed something more valuable and promising. Starting at about 4,000 benefits. They seize about 7,000 of it. The steep part of the curve is the transition from sedentary to active. Almost nobody needs to hit the number on their watch to get benefits from walking.

which is actually the opposite of debunking. The real takeaway is that the bar was set too high, and that many people who think they are failing at this are already most of the way there.

More in our Health section

References

1. Lee, I-M., Shiroma, E. J., Kamada, M., Bassett, D. R., Matthews, C. E., & Buring, J. E. (2019). Association of step volume and intensity with all-cause mortality in older women. JAMA Internal Medicine, 179(8), 1105-1112. Full text · PubMed
2. Paluch, A. E., Bajpai, S., Bassett, D. R., et al. (2022). Daily steps and all-cause mortality: a meta-analysis of 15 international cohorts. The Lancet Public Health, 7(3), e219-e228. doi
3. Banach, M., Lewek, J., Surma, S., et al. (2023). The association between daily step count and all-cause and cardiovascular mortality: a meta-analysis. European Journal of Preventive Cardiology, 30(18). doi
4. Ding, D., Nguyen, B., Nau, T., et al. (2025). Daily steps and health outcomes in adults: a systematic review and dose-response meta-analysis. The Lancet Public Health, 10(8), e668-e681. [NO LINK]
5. National Institutes of Health (2019). How many steps for better health? NIH Research Matters.
6. I-Min Lee, quoted on the origin of the 10,000 figure, in Popular Science.
7. Yamasa Tokei Keiki, Manpo-kei pedometer, 1965.

This article summarises published research and is not medical advice. If you have a heart condition, joint problems or any other reason to be cautious about increasing activity, speak to a doctor before changing your routine.