Aussie kids get bad report for exercise

Top marks go to children in New Zealand and Mozambique, who score a B. Scottish children fail with an F and Australian children are second last with a D minus. But they could do better with a little help from the government, their parents and teachers.

"It will take a coordinated effort. Changes are needed throughout children's everyday life to make this grade jump up," said Dr Natasha Schranz, who managed the Australian leg of the rankings to be announced in Canada today.

It's not enough that Australia does well for organised sport and comes top of the class for its facilities and environment, she said. 

Fewer than 20% of five to 17-year-olds accumulate the minimum 60 minutes of moderate exercise they need every day.

"If most children did that, we would have an A plus. It's achievable. The 60 minutes does not have to be all at once,’ she said.

But the average 2014 Australian child comes stone last in a race against