An analysis of trends in society.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004651:Employment; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008913:Minority Groups; D011158:Population Growth; D012924:Social Conditions / Q000639:trends*; D014481:United States; D014931:Women, Working