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Pooled review (meta-analysis)

Review of 31 studies: 7000 vs 2000 steps linked to 47% lower death risk

Ding and colleagues · The Lancet. Public health · 2025

Original title: Daily steps and health outcomes in adults: a systematic review and dose-response meta-analysis.

Under review. A person has not yet checked this summary against the paper. It is written from the PubMed abstract. Until a person checks it, search engines are asked not to list this page.

What the study found

Points to benefit

Death risk fell more slowly after about 5000-7000 steps a day. Compared with 2000 steps, 7000 steps a day went with 47% lower risk of death from any cause (HR 0·53).

The study at a glance

Type of study
Pooled review (meta-analysis)
Who or what was studied
31 studies · Adults in 24 groups of studies that tracked steps with a device
What was tested
Compared daily step counts (7000 steps vs 2000 steps) and later health outcomes including death
What it measured
The question itself: death from any cause
Trial registration
CRD42024529706
Who has a stake
No stake declared
No competing interests declared; funded by Australian health research bodies.
Journal
The Lancet. Public health, 2025
Source
PubMed record 40713949. This page is based on the abstract only.

How much this study counts

  • ✓Pools the results of 31 studies.
  • •A pooled review is only as strong as the studies it pools.
  • ✓Measured the question itself: death from any cause.
  • ✓No competing interests declared.
  • •Summarized from the PubMed abstract only. The full paper may hold details the abstract leaves out.

✓ Strength– Limit• Note

These points come from fixed rules about the type of study, its size and length, what it measured, and who has a stake. Every study on Digestery gets the same rules.

Where this study sits

This paper is not on the ladder. It is a pooled review (meta-analysis), and reviews and opinion pieces discuss studies that are already counted on the steps below.

↑ Stronger evidence

  1. Trials in people: death from any cause

    0

    Not done yet. This is the step that would answer the question.

  2. Trials in people: other measures

    0

    None among the papers we read.

  3. Trials in people: lab tests or safety

    0

    None among the papers we read.

  4. Population studies

    10

    9 benefit, 1 no difference

  5. Blood levels and genes

    0

    None among the papers we read.

↓ Weaker evidence

  • Points to benefit
  • Mixed
  • No difference
  • No direction
  • Points to harm

How it fits with the other research

The short answer to “How many steps a day lower the risk of early death?”

About 6,000 to 10,000 steps; fewer if older.

Confidence: low. Based on 17 on-topic papers.

Read the full answer
  • Quoted in “What we found”: Compared with 2000 steps a day, 7000 steps a day was linked to a 47% lower risk of death from any cause; gains slowed after around 5000-7000 steps.
  • Part of the finding “Where the drop in risk levels off”.
  • Part of the finding “Benefit may differ by age and income”.
  • Summed up in “What reviews found”: Reviewed 57 studies and pooled 31 from 24 cohorts. Compared with 2000 steps a day, 7000 steps went with 47% lower risk of death (14 studies). Risk flattened around 5000-7000 steps. Certainty rated moderate.
  • Marked as a key paper in the research timeline: Newest big review: 7000 vs 2000 steps, 47% lower.
  • Open item for a person: Pooled reviews Paluch 2022, Banach 2023, Jayedi 2022, Rodríguez-Gutiérrez 2024, Stens 2023 and Ding 2025 may share cohorts; check overlap before treating them as independent.

Other reviews on this question

See all 17 studies on this question

How this page was made

Label

First read of the abstract
Claude Sonnet
Independent second read
Claude Haiku
Differences settled
The reviewer corrected 1 field after reading the abstract. Claude Opus 5.5.
Headline
Claude Sonnet, from the checked study record. A script checked its numbers and wording.
Numbers
Checked against the abstract by a script
“How much this study counts”
Fixed rules, the same for every study
Source check by a person
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