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Some movement beats none. That's in the guideline itself.

The World Health Organization's 2020 guidelines set out how much activity adults, older adults, children and people with chronic conditions may benefit from — and why any movement is better than none.

Study title: The WHO's Global Guidelines on Movement and Sitting LessBull FC, Al-Ansari SS, Biddle S, Borodulin K, Buman MP, Cardon G, et al., British Journal of Sports Medicine, 2020

Study type
Guideline
Population
Global guideline covering children, adolescents, adults, older adults, pregnant and postpartum women, and people living with chronic conditions or disability
Published
2020
Evidence confidence
Strong confidence

The short version

WHO's 2020 guidelines recommend adults do 150–300 minutes of moderate activity a week (or 75–150 vigorous), plus muscle-strengthening on two or more days, and children average 60 minutes a day. The guidelines state explicitly that any activity is better than none and can be accumulated in bouts of any length.

The finding, drawn out

Moderate-intensity activity, per week (adults)
150
0360 minutes

150 minutes — the lower end of the recommendation

150300 minutes · the recommended range

Figures as published in the WHO 2020 guidelines on physical activity and sedentary behaviour.

Why it matters

The 'any length' clause matters more than the headline number for anyone whose week doesn't contain a spare hour.

01

The question

Based on the accumulated evidence, how much physical activity and how little sedentary time should be recommended across the life course?

02

How it was studied

Guideline development process by a WHO-convened expert panel, synthesising systematic reviews and existing evidence on physical activity, sedentary behaviour and health outcomes, following standard guideline methodology (GRADE).

03

What they found

The panel recommends adults do at least 150–300 minutes of moderate-intensity (or 75–150 minutes vigorous) activity a week, plus muscle-strengthening activity on 2 or more days; children and adolescents should average 60 minutes a day. The guidelines also state explicitly that some activity is better than none, activity can be accumulated in any length of bout, and sedentary time should be limited and replaced with activity of any intensity where possible.

04

Limitations

As a synthesis of existing research rather than new primary data, its strength depends on the quality of underlying studies, many of which are observational. Guidance is necessarily general and doesn't capture individual variation in health status, access or preference.

05

What it may mean

These figures are population-level targets built from a large evidence base, not a personal prescription — falling short of them doesn't mean movement 'doesn't count,' since the guidelines themselves stress any amount is better than none.

In real life

If 150 minutes a week feels abstract, the guideline's own emphasis is on removing the idea of a minimum bout length — a few minutes of brisk walking between tasks genuinely counts toward the total.

Try this

Rather than aiming for a single long session, try noticing how many separate pockets of moderate activity (stairs, a fast walk, carrying shopping) already exist in an ordinary day.

Evidence confidence

Strong confidence

Reflects an international expert synthesis of a large, long-standing evidence base using formal guideline methodology; the strongest tier of evidence for population recommendations, though not a single study result.

Source

Bull FC, Al-Ansari SS, Biddle S, Borodulin K, Buman MP, Cardon G, et al. (2020). The WHO's Global Guidelines on Movement and Sitting Less. British Journal of Sports Medicine.

Peer-reviewed · Free full text available · Last reviewed 2026-08-14

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