Family formation and the frequency of various kinship relationships.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001723:Birth Rate; D002648:Child; D002675:Child, Preschool; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008017:Life Expectancy; D008270:Madagascar; D008875:Middle Aged; D008954:Models, Biological; D009026:Mortality; D011158:Population Growth; D011336:Probability; D014481:United States; D014687:Venezuela; D014798:Vital Statistics