Legally:
* Child: This term often refers to anyone under the age of 18, though some laws may use different age limits for specific purposes (like driving, voting, or consent).
* Minor: Similar to "child," often referring to anyone under 18.
* Infant: Usually refers to a baby from birth to 1 year old.
* Toddler: Typically from 1 to 3 years old.
* Preschooler: Usually from 3 to 5 years old.
* School-aged child: Typically from 5 to 18 years old.
Developmentally:
* Early childhood: From birth to 8 years old.
* Middle childhood: From 8 to 12 years old.
* Late childhood: From 12 to 18 years old.
Socially:
* "Child" can be used more broadly to refer to someone who is young and inexperienced, regardless of their actual age.
Therefore, the age group considered "children" can vary depending on the context.
It's important to consider the specific context and the purpose for which you are using the term "children" to determine the appropriate age range.