Children aged 5-18 need a minimum of 60 minutes of daily physical activity. 37% of Australian children do not participate in organized sports, with girls less likely to participate than boys. Children aged 5-8 participate in organized sports the least at 42%. Approximately 600,000 Australian children aged 5-17 are overweight or obese. Regular exercise and a good diet are important for children's health, learning, attention, and energy levels.