Early adolescence occurs between the ages of

Adolescence is the transitional phase of growth and development between childhood and adulthood. The World Health Organization (WHO) defines adolescence as the period between $10$ and $19$ years of age.

It is generally divided into two phases:
Early adolescence: $10$ to $14$ years
Late adolescence: $15$ to $19$ years

Therefore, early adolescence occurs between the ages of $10$ to $14$ years.

Answer: 10 to 14 years