Abstract: the aging of the population is 21 century the general trend of the countries around the The problem of aging population and its influence, has drawn the attention of the society from all walks of life, become experts at home and abroad research of the hot Hengyang city in hunan province is located in the south, has "the wild city" say, is the largest city of hunan and political, economic and cultural center, is the second largest city of hunan The present situation of hengyang the ageing population is establish a series of measures to deal with the foundation of the aging population, the author USES the least square method constructed the population aging in our country, the binary regression forecasting model, and gets 2005 to 2050 hengyang population aging (65 +) coefficient, and in accordance with the prediction that the elderly population quantity, hengyang aging faster-obviously, trend, And in the light of the aging population problem from stable low birth level, to change ideas, to keep the economy yet fast development and reasonable allocation and use of labor resources and perfect social old-age security system, a sound legal system, put forward the corresponding Keywords: aging population; The least square method; Binary regression forecasting
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