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对于世界上的发达国家来说,第二次世界大战以后的婴儿热潮已经在二十年前结束了,出生率又恢复了长期下降.总的看来,欧洲和苏联的人口将在接近本世纪末的时候开始减少;到2020年,美国的人口将达到二亿五千三百万,并且不再增长.然后,如果出生率仍然近乎现在的水平,人口就会逐步减少.公爵大学出版社新出版的《社会和经济人口统计学论文》丛书的第一辑就是斯彭格勒的《面对人口的零度增长》.在这本书里,他就人口统计方面
For the developed countries of the world, the baby boom after World War II ended 20 years ago and the birth rate has returned to a long-term decline. Overall, Europe and the Soviet Union will have populations approaching the end of the century The time has begun to dwindle; by 2020 the population of the United States will reach 215 million and will not increase any further, and then the population will gradually decline if the birth rate is still nearly present. “Duke University Press Newly published” Social and Economic Demographics “Series 1 is Szczepem’s” Zero Growth in the Face of Population. "In this book, he discusses the demographic aspects