title: Seven billion people today, many more tomorrow--how we got here and what we expect and wish.
authors.forename: Irving
authors.initials: I
authors.lastname: Sivin
mesh_terms: D001723:Birth Rate / Q000639:trends*; D005190:Family; D005298:Fertility; D006801:Humans; D008017:Life Expectancy / Q000639:trends*; D011158:Population Growth