Based on the 5th and 6th Population Census

the spatial change and influence factors of population aging in Guangzhou City with street and town as the research unit were analyzed. The results indicate that: ① The population aging has been deepening with a decrease in regional differentiation and outward expansion in a circle direction. ② The population aging is going on most rapidly in the edge of the central urban area. ③ The tendency of spatial concentration of aged population and population aging has been weaken. Population aging continuously expands to the central city

and the north suburbs become the aggregation area of new streets and towns with stronger function of population concentration. ④ With regard of the influence factors to the spatial change of population aging

population movement plays a more important role compared to the natural growth of population. Economic development serves as the key factor stimulating aged people concentrated in the edge of central city

while educational level keeps positive impact on the regional differentiation of population aging.