Smart City Index 2023
The cities leading urban development
As the world increasingly becomes more connected, smart cities are emerging as leaders in urban development. Using advanced technology and innovative solutions, these cities are transforming the way we live, work and interact with our environment.
In the previous article we talked about how IoT helps build smart cities; today we look at the top five smart cities in the world. This article is based on the Smart City Index of IMD.
| Rank | City | What stands out |
|---|---|---|
| 1 | Zurich, Switzerland | Infrastructure, sustainability and an advanced transportation system |
| 2 | Oslo, Norway | Environmental sustainability and emission-free public transportation |
| 3 | Canberra, Australia | Innovation, citizen engagement and a city-wide Digital Twin |
| 4 | Copenhagen, Denmark | Sustainable lifestyles and citizen engagement |
| 5 | Lausanne, Switzerland | AAA infrastructure, education, healthcare and green spaces |
No. 1 · Switzerland
Zurich, at the top of the Smart City Index
Zurich emerged as the world's smartest city in 2023, largely thanks to its excellent infrastructure, its strong commitment to sustainability and its advanced transportation system.
Zurich has implemented a number of innovative solutions, including smart traffic management, bike-sharing programs and energy-efficient buildings.
IMD found that Zurich scored particularly well on indicators such as digital security, public transport and environmental sustainability, and noted a high level of citizen engagement with its digital services and initiatives. The report highlighted several of the city's successful initiatives:
Government services online
Public transport app
Open data portal

Overall, Zurich is leading the way when it comes to using technology to make cities smarter and more livable. With its commitment to innovation and sustainability, it is no surprise that it continues to be at the top of this list year after year.
No. 2 · Norway
Oslo, the sustainable smart city
Coming in second place, Oslo is known for its focus on environmental sustainability.
- Over 60%
- less carbon emissions than in 1990
- 2030
- the year Oslo plans to become carbon-neutral
Oslo has made tremendous efforts to become a sustainable city, which led it to rise from eighth place in the Sustainable Cities Index in 2023 to second place in the Smart City Index.
One great example of those efforts was the introduction of emission-free public transportation, together with heavy investment in renewable energy sources. Oslo has also implemented several digitalization projects which have improved efficiency and quality of life for its citizens.

No. 3 · Australia
Canberra, the smart city focused on innovation
Ranked third on the Smart City Index for its commitment to innovation and citizen engagement.
Canberra's success can be attributed to its efforts in digital transformation, sustainability and quality of life. The city has been implementing various smart city solutions to improve the lives of its residents and visitors.
The Digital Twin
Sustainability
Quality of life

No. 4 · Denmark
Copenhagen, sustainable and built with its citizens
Copenhagen has embraced smart technologies and innovative solutions to create a more efficient, sustainable and livable urban environment for its residents.
The city has implemented numerous initiatives aimed at reducing its carbon footprint and promoting sustainable lifestyles. It has set a goal of becoming carbon-neutral by 2025. It has also implemented a comprehensive public transportation system that includes buses, trains and bike-sharing programs, encourages the use of electric cars and has installed charging stations throughout the city.
In addition to its focus on sustainability, Copenhagen has prioritized citizen engagement. In 2020 the city launched its "Smart City Strategy", which includes input from citizens and local stakeholders. The strategy focuses on using data and technology to improve the quality of life for residents, with an emphasis on creating more inclusive and accessible urban spaces.
Copenhagen's smart city initiatives have not gone unnoticed. In the 2023 Smart City Index, the city ranked eighth in the world, ahead of other major global cities such as New York and Tokyo. Its success can be attributed to a holistic approach to smart city development that includes sustainability, citizen engagement and innovation.
No. 5 · Switzerland
Lausanne, strong in infrastructure and services
Lausanne demonstrates exceptional performance in various domains, presenting an outstanding infrastructure with an AAA rating.
Where it stands out
- Education, healthcare and environmental conservation
- Ample green spaces and vibrant cultural activities
- Efficient health and recycling facilities
- Residents content with the abundance of online employment opportunities
Its challenges
- Traffic congestion and air pollution
- An insufficient supply of affordable housing, a concern for 70% of respondents in a recent survey
- Security, regarded as a prevailing issue
Despite a modest population of 140,000 inhabitants

What they share
The future belongs to smart cities
Overall, these cities are leading the way in building smarter, more connected urban environments that benefit both citizens and businesses alike. By leveraging technology and innovation, they are creating more sustainable and livable cities that are better equipped to handle the challenges of the 21st century. As other cities around the world look to follow their example, it is clear that the future belongs to smart cities.
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