World population trends and controls.
D000029:Abortion, Legal; D002410:Catholicism; D003267:Contraception; D003906:Developing Countries; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D007434:Intrauterine Devices; D008297:Male; D008393:Marriage; D009026:Mortality; D011155:Population Control; D011158:Population Growth