How old do yo have to be walk a dog?

The appropriate age for a child to start walking a dog on their own depends on the child's maturity, physical strength, familiarity with the dog, walking route, local laws and regulations, and the temperament and size of the dog. In general, many experts suggest that children should be at least 10-12 years old before walking a dog on their own, but it is important to consider individual circumstances and make a determination based on the child's capabilities.