World fertility trends, 1974.
D000293:Adolescent; D000328:Adult; D000349:Africa; D000569:Americas; D001208:Asia; D001315:Australia; D001723:Birth Rate; D003710:Demography; D005060:Europe; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D009520:New Zealand