Is 20 years old a youth or a teenager?

20 years old is a young man. 1 -6 years old is a child. Children aged 7-14 (coincident with adolescence, also called children or children). 13 years old-19 years old is a teenager (also known as a teenager). Young people aged 20 -39. 40 -59 years old is middle age. Old age is over 60 years old (also called old age or twilight).

20 years old is a young man. 1 -6 years old is a child. Children aged 7-14 (coincident with adolescence, also called children or children). 13 years old-19 years old is a teenager (also known as a teenager). Young people aged 20 -39. 40 -59 years old is middle age. Old age is over 60 years old (also called old age or twilight).