Where the 8,000-steps target comes from

You often hear “10,000 steps a day,” but Japan’s national guideline uses a different benchmark. Let’s look at a large study on daily steps and at the guideline from Japan’s Ministry of Health, Labour and Welfare.

What we know

The ministry’s Physical Activity and Exercise Guide for Health Promotion 2023 recommends that adults do at least 60 minutes a day of physical activity at walking intensity or higher. It says this is roughly equivalent to 8,000 steps a day or more. For comparison, the average for people aged 20 and over in 2019 was 6,278 steps. For many people, there is still a gap.

On steps and health, Paluch and colleagues pooled individual data from 15 cohort studies, which follow the same people over time. The analysis covered 47,471 adults from several countries.

They split people into four groups by daily steps. Compared with the group that walked the least, the hazard ratios for death were:

• Second group (median 5,801 steps): 0.60
• Third group (median 7,842 steps): 0.55
• Highest group (median 10,901 steps): 0.47

A hazard ratio below 1 means a lower risk of death. By age, risk kept falling up to about 8,000–10,000 steps a day for adults under 60, and up to about 6,000–8,000 steps for adults aged 60 and over.

How to read it

This is a pooled analysis of observational studies, not an experiment in which step counts were assigned. People who can walk a lot may already be healthier or have fewer illnesses. So we cannot say that walking more makes you live longer. What we can say is that people who take more steps tend to have a lower risk of death.

The age difference also matters. The benefit kept going to higher step counts for younger adults, and levelled off at a lower count for older adults. There seems to be no need to push yourself on the idea that more is always better.

Finally, this research is about health, not income. We have not found studies linking step counts directly to earnings. The evidence supports seeing walking as a habit that builds the physical base you need to keep working. If you have a medical condition, talk with your doctor about how much to walk.

A small step for today

Jumping straight to 8,000 steps is hard to sustain. It works better to learn where you are now and add a little at a time.

• For a few days, check the step count on your phone and find your current average.
• Add one thing: walk one extra stop, go outside at lunch, or take the stairs instead of the elevator.
• On days you reach the goal, log “Walked 8,000+ steps” in the app. On days you fall short, you can still record movement with “Moved for 5+ minutes” or “Stood up and moved once an hour.”

Step counts naturally go up and down from day to day. If the number of days you reach the target slowly grows across the week, that is enough.

Sources

• [A7] Paluch et al. (2022) Daily steps and all-cause mortality: a meta-analysis of 15 international cohorts. The Lancet Public Health.
• [A8] Ministry of Health, Labour and Welfare, Japan (2024) Physical Activity and Exercise Guide for Health Promotion 2023.