title: Documents relating to the metropolitan statistical area classification for the 1980's.
abstract: "This statement provides background information on the metropolitan area concept and the development of the official standards for defining metropolitan statistical areas for [U.S.] Federal statistical purposes. It discusses each section of the new standards and points out how the new provisions differ from those previously in effect."
mesh_terms: D000569:Americas; D003710:Demography; D019049:Developed Countries; D005843:Geography; D009656:North America; D011153:Population; D011154:Population Characteristics; D012106:Research; D014481:United States; D014505:Urban Population