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AbstractThe decline in manufacturing employment has emerged as a global demographic phenomenon in recent decades. However, previous research has primarily focused on the national level, resulting in limited geographical insights into the spatial variations of this decline at more minor scales. Our paper decodes the long‐term geographical process of manufacturing employment decline at the city level in China from an "industry‐population‐place" perspective, underscoring the pivotal role played by technological advancements. The results show that, during 2000–2010 and 2010–2020, the unbalanced changing pattern of China's manufacturing employment appeared to be a disruptive reallocation. The technology‐driven transition of manufacturing employment decline at the city level in China was identified. During 2000–2010, over 60% of cities experiencing a decline in manufacturing employment were technologically lost, while technological density improvement became the "main melody" in most cities experiencing such decline during 2010–2020. In a city experiencing such a decline, the greater the improvement in technological intensity, the stronger the positive effect of the decline on local economic development, particularly when accompanied by an expansion in the socioeconomic scale of the city. Furthermore, we observe changes in the characteristics of manufacturing employment on the west side of the Hu Line between 2010 and 2020, compared to previous years and even decades. These changes are characterised by a significant increase in manufacturing employment and the rapid technology‐driven transformation of cities that have experienced a decline in manufacturing employment.

China's speedy industrialization has undertaken mostly a crude path with extensive energy consumption and severe environmental damage. In face of the challenge of global warming and resource restrictions, it calls for urgent green transformation for the sustainable development of China's industry. With huge potentials and more general benefits than costs, the industrial green transformation in China will have more positive effects and accelerate the whole process of the development of China's green economy. From this perspective, China needs to adopt a comprehensive and open mechanism for green transformation with more strict environmental regulations, effective energy conservation and emissions reduction, green technology R&D and application, as well as international cooperation in the related fields with market-oriented reform, government strategies and regulations, proactive response from the industry sector, self-initiative of enterprises and active public participation.