youth
US /juːθ/
UK /juːθ/

1.
the period of life when one is young, especially the period between childhood and adulthood
:
•
He spent his youth playing football.
•
She has the energy of youth.
2.
young people considered as a group
:
•
The youth of today are very tech-savvy.
•
Programs are being developed to support the local youth.