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Use "birth rate" in a sentence
"In the same pamphlet, Plomley added: “Many causes contributed to the extinction of the Tasmanians and, although it may seem obvious to say so, the basic cause was that the death rate exceeded the birth rate after European contact.”"
"If we apply the theory that relates declining fertility to the costs and benefits of rearing children in cities as set forth earlier in this book, it appears at first sight that there is no rational explanation for the out-of-wedlock birth rate and the incidence of mother-centered black families remaining so high."