Physical activity – World Health Organization (WHO)

WHO defines physical activity as any bodily movement produced by skeletal muscles that requires energy expenditure. Physical activity refers to all movement including during leisure time, for transport to get to and from places, or as part of a person’s work or domestic activities. Both moderate- and vigorous-intensity physical activity improve health. Popular ways to be active include walking, cycling, wheeling, sports, active recreation and play, and can be done at any level of skill and for enjoyment by everybody. 
Physical activity is beneficial to health and well-being and conversely, physical inactivity increases risk for noncommunicable diseases (NCDs) and other poor health outcomes. Together, physical inactivity and sedentary behaviours are contributing to the rise in NCDs and placing a burden on healthcare systems.
Improving levels of physical activity will benefit health and well-being and contribute to attainment of global NCD targets and a number of the Sustainable Development Goals. However, this will require increased commitments and investments by Member States; innovation and contributions from non-state actors; cross sector coordination and collaboration; and ongoing guidance and monitoring from WHO.
Physical inactivity is one of the leading risk factors for noncommunicable diseases mortality. People who are insufficiently active have a 20% to 30% increased risk of death compared to people who are sufficiently active. Regular physical activity is associated with:
Sedentary behaviour is any period of low-energy expenditure while awake such as sitting, reclining or lying. Lives are becoming increasingly sedentary through the use of motorized transport and the increased use of screens for work, education and recreation. Evidence shows higher amounts of sedentary behaviour are associated with the following poor health outcomes:
The WHO Global guidelines on physical activity and sedentary behaviour provide recommendations for children (age 5 and up), adolescents, adults, older adults, pregnant and post-partum women, and people living with chronic conditions and disabilities. The recommendations detail the amount of physical activity (frequency, intensity and duration) required to offer significant health benefits and to reduce health risks. The guidelines highlight that any amount of physical activity is better than none; all physical activity counts; all age groups should limit the amount of time being sedentary; and muscle strengthening benefits everyone.
The WHO Guidelines on physical activity, sedentary behaviour and sleep for children under 5 years of age provide recommendations on the amount of time in a 24-hour day that young children, under 5 years of age, should spend being physically active or sleeping for their health and well-being, and the maximum recommended time these children should spend on screen-based sedentary activities or time restrained.
An infographic summarizes the current WHO guidelines on physical activity and sedentary behaviour for all age groups. WHO develops guidelines through an arduous process of reviewing scientific evidence and expert consultations. Preparations are already underway for the next guidelines, anticipated for publication in 2030.
WHO regularly monitors trends in physical inactivity. A recent study (1) found that nearly one third (31%) of the world’s adult population, 1.8 billion adults, are physically inactive. That is, they do not meet the global recommendations of at least 150 minutes of moderate-intensity physical activity per week. This is an increase of 5 percentage points between 2010 and 2022. If this trend continues, the proportion of adults not meeting recommended levels of physical activity is projected to rise to 35% by 2030.
Globally, there are notable age and gender differences in levels of physical inactivity.
Many different factors can determine how active people are and the overall levels of physical activity in different population groups. These factors can be related to the individual or wider social, cultural, environmental and economic determinants that influence access and opportunities to be active in safe and enjoyable ways.
The WHO Global action plan on physical activity provides policy recommendations for countries and communities to promote physical activity and ensure everyone has more opportunities to be regularly active. Examples of these recommendations include policies that ensure access to walking, cycling and non-motorized transport; that increase physical activity opportunities in schools, workplaces, childcare centres and in healthcare service delivery; and that increase accessibility and availability of community sports and public open spaces.
Implementing effective policies to increase levels of physical activity requires a collective effort, coordinated across multiple government departments at all levels, including health, transport, education, employment, sport and recreation, and urban planning. It also demands national and local engagement from nongovernmental organizations, various sectors, stakeholders and disciplines to support the implementation of policies and solutions that are appropriate to a country’s cultural and social environment. Priority should be given to policy actions that address disparities in levels of physical activity, promoting, enabling and encouraging physical activity for all.
WHO supports countries and stakeholders to implement the recommended actions by:
WHO supports countries and stakeholders to implement the recommended actions by developing global policy guidance and guidelines, underpinned by latest evidence and consensus, to help countries develop appropriate policies, investment cases and financing mechanisms.
 
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