Here are the youth soccer ball sizes, the corresponding age brackets, and their respective weights and sizes in circumference. ***U-8, U-7, U-6, AND YOUNGER. Size 3 is the official soccer ball for toddlers and young children. It has a circumference of 23-24 inches and should weight between 11-12 ounce.
Size 3 football balls are of 24” and weigh between 11-12 ounces. These are the smallest official football balls used for match games. If there is a standard football size that suits all ages, from toddlers and young children in their initial stages of professional matches, that would be the Size 3 Football Ball.