title: World population situation during 1973.
mesh_terms: D000349:Africa; D001208:Asia; D001723:Birth Rate; D003906:Developing Countries; D005060:Europe; D009656:North America; D011155:Population Control; D011158:Population Growth; D012959:Socioeconomic Factors; D013020:South America; D006113:United Kingdom; D014798:Vital Statistics