Step counts follow a fairly predictable arc across a lifetime. They peak in childhood, settle in adulthood, and ease downward in our later years.
Children and teenagers are the busiest walkers by far. Reviews of youth activity suggest that hitting the recommended hour of daily moderate-to-vigorous activity tends to correspond with somewhere around 10,000 to 16,000 steps a day in school-age kids, with totals drifting down through the teen years. Adults, as we've seen, generally fall in the 5,000-to-7,000 range depending on how they're measured.
Older adults are where the picture gets most varied. A review of activity in apparently healthy older adults found a wide spread, roughly 2,000 to 9,000 steps a day. That's a huge range, and the reason matters: a lower count in later life isn't purely about aging. Habit, environment, and daily routine play an enormous role, and plenty of older adults who keep walking comfortably sustain 6,000 to 8,000 steps or more.
Here's a directional snapshot to help you place yourself. Think of these as approximate ranges, not precise cutoffs, since the exact figure depends on the measurement method.
If you're in midlife and quietly comparing yourself to a teenager's step count, give yourself some grace. The arc is normal, and the good news, as we'll get to shortly, is that the count linked to better health is lower than the count many of us walked as kids.