Birth rates decline as neighbors learn from one another how to control fertility.
D001723:Birth Rate; D003142:Communication; D003710:Demography; D003906:Developing Countries; D005191:Family Characteristics; D005298:Fertility; D007398:Interpersonal Relations; D011153:Population; D011157:Population Dynamics; D012944:Social Support
Communication; Demographic Factors; Developing Countries; Family And Household; Fertility; Fertility Decline; Friends And Relatives; Population; Population Dynamics; Social Networks