13 JulWhen to Potty Train By Dr. Tanya In Preschooler (3-5 years), Toddler (1-3 years)Potty training is a developmental milestone and should not be rushed. For most toddlers it is usually around 2 ½ to 3 years old. Some children may even be older. The children need to be able to know:When Read MoreShare: