A 4-day-old newborn baby Sean Gallup/Getty Images


伦敦—2017 年美国生育率下降到1.75,这则新闻令人惊讶又担心。1990年代末至21世纪初,美国经济繁荣,生育率为每个妇女生2.00—2.05个孩子,而1980年代为1.8—1.9。但在过去五年,经济复苏越来越强劲,生育率反而下降。这也许预示着工人将相对退休者出现长期短缺,退休基金和医疗供给将面临沉重财务压力。



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