title: Daunting challenges.
authors.forename: T E
authors.initials: TE
authors.lastname: Wirth
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000569:Americas; D003710:Demography; D019049:Developed Countries; D004467:Economics; D004522:Educational Status; D016656:Family Planning Policy; D007390:International Agencies; D009656:North America; D009938:Organizations; D011153:Population; D011154:Population Characteristics; D011640:Public Policy; D012923:Social Class; D012959:Socioeconomic Factors; D014480:United Nations; D014481:United States
keywords: Adolescents; Age Factors; Americas; Demographic Factors; Developed Countries; Economic Factors; Educational Status--women; Family Planning Policy; International Agencies; North America; Northern America; Organizations; Policy; Population; Population Characteristics; Population Policy; Social Policy; Socioeconomic Factors; Socioeconomic Status; Un; United States; World Population Conferences; Youth