The concept of safe cities has become increasingly popular in recent years, with a growing focus on using technology to create safer urban environments. From advanced surveillance systems to smart traffic management and emergency response, the world’s safest cities are employing a range of cutting-edge technologies to enhance security and protect citizens. In this article, we will explore some of the technologies used by the safest cities in the world and look at interesting statistics and facts.

What technology is used by the safest cities in the world

Safest cities in the world

According to the Safe Cities Index 2021 by The Economist Intelligence Unit, the top 5 safest cities in the world are:

  1. Tokyo, Japan
  2. Singapore
  3. Osaka, Japan
  4. Amsterdam, Netherlands
  5. Sydney, Australia

These cities were ranked based on four key categories: digital security, health security, infrastructure security, and personal security.

The technology used by the safest cities

  1. Surveillance systems: One of the most common technologies used by safe cities is advanced surveillance systems. These include CCTV cameras, facial recognition software, and license plate recognition systems. In Tokyo, for example, the Metropolitan Police Department operates over 100,000 CCTV cameras, which are monitored by police officers 24/7.

  2. Smart traffic management: Many safe cities use technology to manage traffic and reduce the risk of accidents. In Amsterdam, for example, the city has implemented a smart traffic management system that uses data from sensors and cameras to optimize traffic flow and improve safety for cyclists and pedestrians.

  3. Emergency response systems: Safe cities often have advanced emergency response systems in place. For example, in Tokyo, the city’s fire department uses advanced technology, including drones and robots, to respond to emergencies quickly and efficiently.

  4. Robots: Some safe cities are using robots to enhance security and improve emergency response. In Singapore, for example, the government has deployed robots to patrol public areas and detect potential security threats.


Interesting statistics and facts

  1. Tokyo has been ranked the safest city in the world for three consecutive years, with a score of 88.0 out of 100 in the Safe Cities Index 2021.

  2. Singapore has the highest digital security score of any city in the world, thanks to its advanced cybersecurity measures.

  3. In Amsterdam, there are more bicycles than people. The city has implemented a range of measures to make cycling safer, including dedicated cycle paths and smart traffic management systems.

  4. The city of Sydney has implemented a range of measures to improve personal security, including public safety campaigns and initiatives to reduce domestic violence.

  5. In Tokyo, the city’s emergency response system is so efficient that the average response time for an ambulance is just 4 minutes and 15 seconds.


The world’s safest cities are using a range of cutting-edge technologies to enhance security and protect citizens. From advanced surveillance systems to smart traffic management and emergency response, these technologies are making cities safer and more resilient. As cities around the world continue to grow and face new challenges, technology will play an increasingly important role in creating safer and more secure urban environments.


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