Recent population growth in China has been characterized by population aging. The advent of aged society has enabled spatial restructuring in large cities. The paper studies senior population growth and their spatial distribution change in Guangzhou over the last decade. Central old district is the most concentrated place of senior people. The number of senior people decreased in the very inner core, whereas it increased in the secondary core area. Senior population is decentralizing compared with before. Aging in place and residential relocation both accounts for the change. Urban planning shal make public policy of senior facilities for particular senior concentration places.%随着人口增长方式的转变，老龄化已成为当今人口发展的必然趋势。在我国经济转型的背景下，城市社会空间不断发生重构，老龄化过程中所产生的一系列问题和社会发展面临的挑战逐渐显现。研究以广州市为例，利用第五次和第六次人口普查数据对近十年广州市老年人口空间分布的特征及变化情况进行分析，发现近年来广州市老年人口数量稳步增长，在空间分布上表现出较为明显的地域差异，老龄化率较高的区域仍集中在老城区；就老龄化程度的变化情况看，中心城区总体上呈现老年人口集中化趋势，但内城核心区老龄化程度有所下降，核心区外围老龄化情况加重，老年人口分布局部表现出一定的“离心化”扩散趋势。研究认为，中心城区与原单位社区的就地老化和旧城改造与新开发区的居住迁移是体制内外不同老年群体空间集聚的主要动因，从而导致不同地域的老年人口养老服务需求与供给主体存在差异。城市规划需要重点针对不同地域类型及其成因制订相应的养老设施供给公共政策。
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