城市化是农业向非农业产业转化、乡村人口向城市转移过程的统一,其进展取决于工业发展水平、农村过剩人口增长速度和城乡人口增长率的差距。世界城市化始于18世纪英国的工业革命,20世纪以来城市化进程加快。发达工业国家的城市人口在总人口中所占的比重1920 Urbanization is the process of transforming agriculture from non-agricultural industries to the transfer of rural population to cities. Its progress depends on the level of industrial development, the growth rate of rural surplus population and the growth rate of urban-rural population. Urbanization in the world began in the industrial revolution in Britain in the 18th century. Urbanization accelerated in the 20th century. The share of urban population in developed industrial countries in the total population is 1920