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High Sex Ratios in China's Future
Shripad Tuljapurkar, Nan Li and Marcus W. Feldman
New Series, Vol. 267, No. 5199 (Feb. 10, 1995), pp. 874-876
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/2886153
Page Count: 3
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In China in recent years, male live births have exceeded those of females by amounts far greater than those that occur naturally in human populations, a trend with significant demographic consequences. The resulting imbalance in the first-marriage market is estimated to be about 1 million males per year after 2010. These "excess" males were not easily accommodated in models with substantial changes in first-marriage patterns. The current sex ratio at birth has little effect on a couple's probability of having at least one son, so future increases in the sex ratio may well occur, especially given increasing access to sex-selective abortion.
Science © 1995 American Association for the Advancement of Science