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【原文】半个世纪以来,尤其是改革改革开放以来,由于国民经济发展,人民生活水平提高和医疗条件改善,中国人的预期寿命提高了,死亡率降低了。// 解放初期中国人民的预期寿命是35岁,现在已经到了71岁;那时的死亡率是千分之二十,现在是千分之六。// 我们在人民预期寿命的提高感到高兴,但这也带来了老年人口迅速增长的问题。上前中国的老龄人已超过1亿,并继续以年均3%的速度增长,每年增加2400万老年人。// 到2040年,老龄人口将增长到3。8亿,约占总人口的25.3%,也就是说,每4个中国人中就有一个老人。//中国人口老龄化是在经济不发达的情况下到来的,而且老龄化在地区间的发展也不平衡。

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