Research On The Rational Control Of Population Size In Beijing

As the political center,cultural center and international exchange center of our country,Beijing is one of the big cities in china.City of aggregation of the population it is self-evident,in recent years,Beijing city population size showing a rapid upward trend,the high population density and limited resources,Beijing city traffic congestion,air pollution,resource depletion and other issues have become increasingly prominent.It is particularly necessary to reasonably control the scale of the regional population in Beijing.This article through the research methods of literature study and field survey,the change trend of Beijing city in recent years the population was analyzed,and the grey prediction model of Beijing city population scale forecast,proposed regulation Beijing city population policy recommendations.The research findings of this article:(1)The trend of population growth in Beijing is obvious.Since the reform and opening up,Beijing resident population growth is very rapid,the natural growth of population and the mechanical growth of the population,Beijing population growth rate is faster.Although the population growth has slowed down in recent years,but overall,the population base of Beijing is large,and the population growth is still large.(2)Grey prediction model and regression analysis are used to predict the future population growth trend of Beijing.The grey prediction model and regression analysis model,the population of Beijing city in the future will show the trend of further growth,Beijing resident population in 2020 will reach about 24 million people in Beijing city in 2028 the population will reach about 30 million people,the population continued to increase pressure.But the city resources in Beijing city carrying capacity,population carrying capacity of resources can not be more than 23 million,with further population growth,Beijing city in 2028 the population exceeded 30 million,but further resources are consumed,the absolute difficult to sustain such a rapid increase in population size,Beijing is an urgent need to strengthen the control of the population.(3)In Tokyo City,New York City,the city of London,the experience of Beijing city population control policy recommendations,mainly to further regulate the amount of migrant workers,strict management,optimization of resources and environment etc..