关键词: 城市化, 郊区化, 人口增长率, 城市功能拓展区

Abstract:  By examining population growth after 1958 in each region of Beijing and population by current residence and usual residence 5 years ago in each region of Beijing at the Fourth and Fifth National Population Census,this article explores the question if the City of Beijing has stepped into the stage of suburbanization,arguing that it is inappropriate to view Urban Function Extended Region totally as the suburbs or the city proper.It is necessary to differentiate the population pertaining to township,town and urban subdistrict in order to look at separately the suburbs and the city proper within the Urban Function Extended Region.As the population growth rate of Core Region of Capital Function has declined,the population growth rates of both Urban Function Extended Region including the near suburbs and New Region of Urban Development located in the outer suburbs have increased since the 1980s,and the population growth rate of New Region of Urban Development has surpassed that of Urban Function Extended Region in recent years,the article claims that the urbanization process of Beijing has entered into the suburbanization stage.

Keywords: Urbanization, Suburbanization, Population Growth Rate, Urban Function Extended Region