young age

noun
  1. A period in a person's life when they are considered to be young, typically referring to childhood or adolescence. noun
    She showed a remarkable talent for music at a young age.
    Learning a new language is often easier at a young age.
  2. The early stage of development or existence of something, not limited to human life. noun
    The company was founded at a young age and quickly grew into a major corporation.
    The tree, despite its young age, has already started bearing fruit.