Projection of Population Composition in City Master Plan and its Enlightenment to Planning: A Case Study of Zibo
基于淄博市第四、五次人口普查数据，采用年龄移算法预测2020年人口构成，包括年龄结构及儿童、学龄、劳动和退休人口数量，并探讨其对教育、医疗和就业等专项规划的启示。
Based on the fourth and fifth population census in Zibo, this paper makes projection of population composition of the city in 2020 by an age-transfering way. The result includes changes of age structure, and numbers of population of the children, the school age, the labor age and the retired. At last, we try to discuss the application of these results in urban planning and their enlightenments to theme plans of education, medical treatment and employment in the future.