A “pre-teen” (or preteen) is usually considered to be between about 9 and 12 years old, just before the teenage years start at 13.

Quick Scoop: What age is a pre teenager?

Most experts and parenting resources place preteens in the 9–12 age range. This period is often also called “tween” years and marks the transition from childhood to full adolescence.

Typical age ranges people use

  • 9–12 years old: Very common definition for “preteen” or “tween”.
  • 10–12 years old: Many parents and forums casually use this tighter range for “preteen”.
  • 13+ years old: Generally counted as a teenager because the age ends in “teen”.

Different cultures and families may nudge the edges a bit (for example, some might say 10–13), but they almost always agree it’s the stage just before the classic teenage years.

Why this age range?

  • Kids are usually finishing primary/elementary school and moving toward middle school.
  • Early signs of puberty and big emotional and social changes often begin in this window.
  • They may still seem like children in some ways but start showing more teen-like interests and independence.

In everyday use: if someone is between about 9 and 12, most people would comfortably call them a pre-teen or pre teenager.

TL;DR: A pre teenager is generally between 9 and 12 years old, right before the teenage years that start at 13.

Information gathered from public forums or data available on the internet and portrayed here.