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December 3, 1932


JAMA. 1932;99(23):1965-1966. doi:10.1001/jama.1932.02740750067026

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The Birth Rate  In Race Hygiene, issued bimonthy by the Japanese Association of Race Hygiene, Professor Mizushima of the Keijo Imperial University in Korea reports an investigation of the birth rate, which he says is not uniform all over the country. In the northeastern part the rate tends to be high, whereas in the western and the urban districts it is comparatively low. The densely populated prefectures generally have a definitely lower birth rate, which is not due to the influence of density itself. In the more densely populated districts the average income is high, and people marry later in life. In general, urban districts have a lower birth rate than rural areas, and prefectures having relatively more urban population consequently have a lower birth rate. But urbanization itself is not responsible for the decline of fecundity. Among other factors are the prevalence of education and the average income. The