Brasilianische Migranten in Hamamatsu: Zugang zu einem multikulturellen Feld
In: Asien: the German journal on contemporary Asia, Heft 149, S. 47-64
ISSN: 0721-5231
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In: Asien: the German journal on contemporary Asia, Heft 149, S. 47-64
ISSN: 0721-5231
World Affairs Online
In: Japanese Research in Business History, Band 24, S. 35-52
ISSN: 1884-619X
In: Pacific affairs: an international review of Asia and the Pacific, Band 57, Heft 3, S. 508
ISSN: 1715-3379
In: Journal of biosocial science: JBS, Band 47, Heft 3, S. 421-422
ISSN: 1469-7599
In: Regional studies: official journal of the Regional Studies Association, Band 43, Heft 3, S. 495-512
ISSN: 1360-0591
In: Journal of the City Planning Institute of Japan, Band 46, Heft 3, S. 943-948
ISSN: 2185-0593
In: Journal of the City Planning Institute of Japan, Band 22, Heft 0, S. 391-396
ISSN: 2185-0593
In: Analytical & bioanalytical chemistry 405.2013,12
In: Journal of the City Planning Institute of Japan, Band 47, Heft 3, S. 433-438
ISSN: 2185-0593
In: Journal of biosocial science: JBS, Band 47, Heft 3, S. 417-420
ISSN: 1469-7599
In: Journal of the City Planning Institute of Japan, Band 39.3, Heft 0, S. 367-372
ISSN: 2185-0593
In: Journal of the City Planning Institute of Japan, Band 51, Heft 3, S. 944-951
ISSN: 2185-0593
In: Journal of the City Planning Institute of Japan, Band 26, Heft 0, S. 361-366
ISSN: 2185-0593
In: Journal of biosocial science: JBS, Band 46, Heft 6, S. 830-841
ISSN: 1469-7599
SummaryOn 11th March 2011 a magnitude nine earthquake struck the Tohoku region of Japan. The earthquake resulted in a large tsunami and an accident at the Fukushima Nuclear Power Plant. Previous studies have suggested that demographic indices relating to reproduction and marriage change after such massive disasters (e.g. large earthquakes). The present study investigated whether the number of births, number of marriages and the secondary sex ratio (SSR) changed after the East Japan Earthquake. The monthly number of births (males and females, separately) and marriages in each prefecture in Japan from January 1997 to June 2012 were obtained from the Demographic Survey of Japan. An analysis was performed for three different geographic boundary units: the disaster-stricken area, the non-disaster-stricken area and the whole of Japan. In each unit, the numbers of births and marriages in a given month during the post-disaster period were predicted based on a regression equation estimated by the numbers of births and marriages in that month during the pre-disaster period. The numbers of observed monthly births and marriages during the post-disaster period were compared with the predicted figures. Differences between the observed and predicted numbers were determined by referring to the 95% confidence limits for the predicted mean number. The observed probability of a male birth in a given month during the post-disaster period was compared with a 95% confidence interval of a binominal distribution. In all three boundary units, the number of births was significantly lower than the predicted number by about 3–8% from nine months after the disaster, while the number of marriages in October 2011 was significantly lower than the predicted number by about 25–28%. In October 2011, the SSR in the whole of Japan had decreased from 104.8 (the predicted SSR) to 102.9. The number of births and marriages and the SSR decreased in Japan after the East Japan Earthquake irrespective of locality.