[MSL]

Three-quarters of UK children spend less time outdoors than prison inmates – survey

(And a fifth of children did not play outside at all on an average day!)

More about this new survey: http://www.theguardian.com/environment/2016/mar/25/three-quarters-of-uk-children-spend-less-time-outdoors-than-prison-inmates-survey
 Btw, I'm sure the situation is similar in other countries around the world; it's not only a UK problem.