According to a study by research website Comparitech, eight out of the ten most surveilled cities in the world are in China. The country that has been making headlines for its generous use of surveillance technology is featured heavily throughout the whole ranking that features 120 cities globally.
https://www.statista.com/chart/19256/the-most-surveilled-cities-in-the-world/
origin - https://www.pipiscrew.com/2020/10/the-most-surveilled-cities-in-the-world/ the-most-surveilled-cities-in-the-world