A large scale study which pulled together data from all over the world has shown that more than a quarter of all adults are "not getting enough physical activity," putting them at risk of ill health.
Researchers suggested policy must be implemented to encourage "non-motorised modes of transport" such as walking and cycling as part of a drive to fix the current state of affairs.
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The World Health Organisation (WHO) recommends people take part in 150 minutes of moderate-intensity or 75 minutes of vigorous-intensity physical activity per week.
It set out plans to reduce physical inactivity by 10 per cent by 2025 - but the new data shows that current progress is too slow to reach this target.
Researchers behind the study, published in the Lancet Global Health journal, said that in 2016 1.4 billion adults were not active enough and that this was putting them at risk of a range of illnesses - including heart disease, type 2 diabetes, dementia, and some forms of cancer.
All of the researchers behind the study - including lead Dr Regina Guthold - were staff members at the WHO.
They pooled data which represented 96 per cent of the world's population - finding that the prevalence of low activity levels in high-income countries was double that of countries where people had less money.
The highest levels of inactivity where in Kuwait - where 67 per cent of people don't get enough exercise. In the UK, 40 per cent of women don't hit the targets and 32 per cent of men fall short.
Researchers concluded that the situation "needs to be urgently addressed."
Discussing causes, they said: "in wealthier countries, the transition towards more sedentary occupations and personal motorised transportation probably explains the higher levels of inactivity."
"National policy needs to be implemented to encourage non-motorised modes of transportation, such as walking and cycling, and to promote participation in active recreation and sports in leisure time."
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