How old is too old for potty training: Before the advent of disposable diapers, …

How old is too old for potty training: Before the advent of disposable diapers, nearly 90 percent of children were potty trained before they were 2 years old. In fact one study says in 1957, 92 percent of children were toilet trained by 18 months. The invention of disposable diapers in 1961 changed all that. Since then the age has been inching older.

Source by kareramsey