title: Modernization and the demographic transition:  cross-sectional and longitudinal analyses of a revised model.
authors.forename: W R
authors.initials: WR
authors.lastname: Kelly
authors.forename: P
authors.initials: P
authors.lastname: Cutright
mesh_terms: D000028:Abortion, Induced; D000029:Abortion, Legal; D001723:Birth Rate; D003710:Demography; D003906:Developing Countries; D004467:Economics; D005193:Family Planning Services; D005298:Fertility; D006285:Health Planning; D008962:Models, Theoretical; D011153:Population; D011155:Population Control; D011157:Population Dynamics; D015397:Program Evaluation; D012106:Research; D012922:Social Change; D012942:Social Sciences
keywords: Abortion, Induced; Abortion, Legal; Birth Rate; Demographic Effectiveness; Demographic Factors; Demographic Transition; Demography; Developing Countries; Economic Development; Economic Factors; Family Planning; Family Planning Program Evaluation; Family Planning Programs; Fertility; Fertility Control, Postconception; Fertility Measurements; Mathematical Model; Models, Theoretical; Population; Population Dynamics; Population Theory; Research Methodology; Social Development; Social Sciences