The goal of “10,000 steps a day” is ingrained in popular culture, but its origin is marketing (a Japanese pedometer from the 1960s) rather than science. Recently, the scientific community has set out to precisely define the optimal amount of walking needed to maximize longevity through large-scale cohort studies.

International cohort analysis

A major meta-analysis published in The Lancet Public Health pooled data from 15 studies covering nearly 50,000 adults across four continents. The aim was to determine the inflection point at which the benefits of walking on mortality risk plateau.
The study revealed a strong inverse correlation: as the number of steps increases, the risk of mortality decreases, but only up to a certain threshold.

Stratification by age

The results show a clear distinction according to age:

• For those over 60: The risk of mortality gradually decreases until it reaches a plateau between 6,000 and 8,000 steps per day. Beyond that, the additional benefits to longevity are marginal.
• For those under 60: The plateau is higher, between 8,000 and 10,000 steps per day.

These data allow for more realistic and personalized public health goals to be set. Walking intensity (pace) provides additional cardiovascular benefits, but total volume remains the most reliable predictor of survival. The scientific message is clear: every additional step counts, well before reaching the symbolic 10,000 mark.