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With the rise of global urbanization, cities encounter considerable socioeconomic and environmental challenges embodied in the 17 Sustainable Development Goals (SDGs) of the United Nations 2030 Agenda for Sustainable Development. Therefore, the crucial importance of urban planning cannot be underestimated in pursuing sustainable development. Among urban sustainability efforts, the smart city has emerged as a crucial paradigm for integrating innovation and sustainability to enhance urban living and achieve SDGs. The study aims to classify the Italian regional capital cities based on their progress in smart cities-related SDGs to understand the key implementation strategies, define the gaps between cities and identify priorities for action. For cluster analysis, 34 indicators related to SDG 9 (Industry, Innovation, and Infrastructure) and SDG 11 (Sustainable Cities and Communities) were considered. The main results reveal significant variability in performance across Italian cities, suggesting that they are at different stages of development in achieving SDGs 9 and 11. Northern Italian cities outperform their southern counterparts in industry, innovation and infrastructure. Larger cities often suffer from more serious and structural problems in urban sustainability. This study guides policy by pinpointing effective strategies and gaps across Italian cities, enhancing collaborative efforts and best practice sharing. It also informs SDG progress assessments, directing investments and prioritizing development needs, thus advancing smart city policies and urban sustainability. • The Sustainable Development Goals are useful for tracking smart city policies progress. • Five clusters of Italian regional capital cities emerge based on SDGs 9 and 11. • Urban disparities arise according to the geographical location and size of cities. • Smart city initiatives risk worsening urban disparities, needing equitable policy. • Coordinated strategies are needed to develop smart cities and prevent inequalities.
Barbieri et al. (Fri,) studied this question.