【摘要】 人口老年化的流行病学研究具有重要意义。本文通过对全国人口资料进行综合分析,重点的探讨了老年人口系数、百岁老人数及其比例变化、长寿水平、人口平均预期寿命等人口老年化指标。结果表明,时代的发展与不同的地理环境对人口老年化有重要影响。更多还原

【Abstract】 Epidemiological Research on aging of population has an important significance in public health. By analysis of nationwide data of population, the article explored a series of aging indices such as the coefficient of aged population, the number of centenarians and its change in proportion, the level of longevity, of life and the expectation of life at the age of zero etc. It has been showed that the development of times and the different geographical environment have important effects on population aging.更多还原