The leading smart city in 2021 was Singapore. It has numerous advantages compared to other cities on the list, including good sanitation, medical services, CCTV cameras for safety. In general it's reliance and capacity for online organization keeps it at the top of the list.
Cities were ranked on 15 factors with the final grade being ranked between AAA and D. For simplicity of visualization AAA has been changed to 1, AA to 2, A to 3 and so on.
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IMD. (October 21, 2021). Smart cities index ranking worldwide in 2021 [Graph]. In Statista. Retrieved January 18, 2025, from https://www.statista.com/statistics/1233581/smart-cities-ranking-worldwide/?__sso_cookie_checker=failed
IMD. "Smart cities index ranking worldwide in 2021." Chart. October 21, 2021. Statista. Accessed January 18, 2025. https://www.statista.com/statistics/1233581/smart-cities-ranking-worldwide/?__sso_cookie_checker=failed
IMD. (2021). Smart cities index ranking worldwide in 2021. Statista. Statista Inc.. Accessed: January 18, 2025. https://www.statista.com/statistics/1233581/smart-cities-ranking-worldwide/?__sso_cookie_checker=failed
IMD. "Smart Cities Index Ranking Worldwide in 2021." Statista, Statista Inc., 21 Oct 2021, https://www.statista.com/statistics/1233581/smart-cities-ranking-worldwide/?__sso_cookie_checker=failed
IMD, Smart cities index ranking worldwide in 2021 Statista, https://www.statista.com/statistics/1233581/smart-cities-ranking-worldwide/?__sso_cookie_checker=failed (last visited January 18, 2025)
Smart cities index ranking worldwide in 2021 [Graph], IMD, October 21, 2021. [Online]. Available: https://www.statista.com/statistics/1233581/smart-cities-ranking-worldwide/?__sso_cookie_checker=failed