While the pace of economic development is accelerating, the phenomenon of population aging in China is becoming more and more serious, which is mainly due to the demographic structure of China is changing, and the situation of negative population growth is occurring due to the decline in the fertility rate. When the aging of the population is more serious, it will lead to the reduction of the econom_x005fically active population, which will seriously affect the labor productivity, and will have a serious impact on economic growth. Therefore, population aging not only represents a change in the demographic structure of China, but also affects economic development. In view of this, this paper will analyze the measures to cope with the impact of population aging on economic growth, starting from the impact of population aging on economic growth.

As urban populations age, creating cities that cater to the needs of elderly residents becomes increasingly vital. This paper addresses the imperative to develop urban environments supporting the well-being of the elderly against a backdrop of changing demographics. With the proportion of elderly individuals steadily rising, the demand for age-inclusive urban design is more pressing than ever. The research question driving this study is: How can sustainable retrofit strategies contribute to age-inclusive urban design, considering the physiological and psychological characteristics of the elderly? Begins with examining the theoretical foundations of sustainable retrofit practices, shedding light on their significance and common objectives. Shortcomings in current urban retrofit practices are scrutinized, highlighting the gaps that need addressing. Integrating research on the physiological and psychological characteristics of the elderly, along with their distinct needs in outdoor environments, the review contributes to a nuanced understanding of age-specific urban requirements. A bespoke sustainable urban retrofit strategy for the elderly is conceptualized, rooted in the principles of urban design. Finally, acknowledging the challenges faced in achieving age-inclusive urban spaces and provides forward-looking recommendations.