【摘要】This paper,based on the national population census data,estimates the number of the population transfers from rural area to urban area during 1990～2000,and the number of residence who residence registration is agriculture transfers to non agriculture.The paper also predicts the developing trend of the population of urban and rural and as well as labor resource distribution in urban,include the number of the population transfers from rural area to urban area in the first twenty years of this century.