Youth pl. : of Youth

Youth n. : The quality or state of being young; youthfulness; juvenility.

Youth n. : The part of life that succeeds to childhood; the period of existence preceding maturity or age; the whole early part of life, from childhood, or, sometimes, from infancy, to manhood.

Youth n. : A young person; especially, a young man.

Youth n. : Young persons, collectively.

Example:
Should I prioritize my Youth development work?

Taxonomy
free encyclopedia, childhood, maturity, early adulthood, around the world, young person, time of life, Development of Adolescent, Adolescent Youth, years of age, Konopka, Requirements, Healthy Development, Adolescence, Sociology, teenager, search, law.

Defination from the web:
Youth is the period between childhood and adulthood, described as the period of physical and psychological development ... Around the world the terms "youth", "adolescent", "teenager", and "young person" are interchanged, often meaning the same thing, occasionally differentiated. ...