People born in the 1950s who were adolescents during the upheaval and social unrest of the late 1960s are an example of an age cohort.
The sector health agency (WHO) defines young people as those human beings between 10 and 19 years of age. The extremely good majority of children are, therefore, protected within the age-based totally definition of āinfantā, adopted through the convention on the Rights of the child, 4 as someone below the age of 18 years.
Early life, these years from puberty to maturity, can be roughly divided into three levels: early youth, commonly a long time 11 to fourteen; middle adolescence, a while fifteen to seventeen; and overdue early life, ages eighteen to twenty-one.
Learn more about adolescents here: https://brainly.com/question/1956818
#SPJ4