Youth-Youths | Commonly Confused Words

Youth

/juːθ/

The period of life when a person is young, especially the time before a child becomes an adult.

And with such wise, experienced youths.Many a merry night had she danced with them, in youth.And from her youth up she had seen little but poverty.

Young people, typically those in their teenage years or early adulthood

Both youth and youths refer to young people or the time of life when one is young.
Youth is both singular and collective, often used to refer to young people as a group without specifying a number.
You rarely say The youth is... but rather The youth are..., indicating its collective use.
Use youths when you specifically mean more than one young person, and the count is important.
Remember, youth can also refer to the quality or state of being young rather than individuals.