随着社会的进步和科学技术经济文化的发展,人类的平均寿命日趋延长,人口老龄化现象逐渐突出,老年人的年龄划分成为人们较为关注的问题。现将目前较为科学的划分老年人年龄的三种方法简述如下。 日历年龄 日历年龄亦称时序年龄,是以时间岁月表示自出生以后所经历渡过的个体年龄。不同国家、地区,不同的历史时 With the progress of society and the economic and cultural development of science and technology, the average life expectancy of human beings has been lengthened and the phenomenon of population aging has become increasingly prominent. The age distribution of the elderly has become a problem that people are more concerned about. The current three more scientific methods of dividing the age of the elderly are summarized below. Calendar Age Calendar Age is also known as timing age, which is the individual age represented by time since birth. Different countries, regions, different historical times