children typically refer to adults as "uncle" or "aunty" as a sign of respect in many cultures. The exact age when kids start using these terms can vary depending on cultural norms and individual preferences.
In some cultures, children may start using these terms for adults who are not their immediate family members from a very young age, sometimes as soon as they can speak and interact with others. In other cultures, it may be more common for children to start using these terms when they are a bit older, perhaps around 4 to 6 years old or even older.
It's important to note that the use of "uncle" or "aunty" can be influenced by factors such as the relationship between the child and the adult, the closeness of the bond, and the specific cultural norms within a community. Ultimately, it varies widely and there's no specific age at which every child will start using these terms for adults.