What is a boy/girl called when he/she is 1-6 years old, 6-11years old, 11-14 years old, and 14-18 years old?

Here are the common terms and categories for children at different age ranges:

1-6 years old

• This age range can be further subdivided:
  • Infant: 0-16 months14.
  • Toddler: 16 months to 2 years14.
  • Preschool: 2 years up to the age of eligibility to attend public school, typically 5 years by September 3014.

6-11 years old

• School age: Children who are eligible to attend public school, typically 5 years or older by September 30, and continuing through this age range14.
  • This period also includes the early part of what is often referred to as middle childhood, which spans from approximately 5-8 years, and the beginning of preadolescence, which is generally from 9-12 years23.

11-14 years old

• Preadolescent or preteen: This stage typically includes children from 9 to 12 years old, but can extend to 13 years old. It is a period before the onset of puberty and adolescence23.
  • Towards the end of this range, children may start entering early adolescence.

14-18 years old

• Adolescent: This stage includes teenagers from 13 to 18 years old. It is characterized by the onset and progression of puberty, significant physical, emotional, and cognitive changes, and the transition towards young adulthood23.