title: Do we really need a population policy? It takes more than statistics to tell whether a social problem exists.
mesh_terms: D000367:Age Factors; D001723:Birth Rate; D004463:Ecology; D005298:Fertility; D006801:Humans; D011155:Population Control; D011156:Population Density; D011158:Population Growth; D012940:Social Problems; D012945:Social Values; D014481:United States