These are the 20 most congested cities in the world

Traffic in Rio de Janeiro, Brazil.

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Traffic in Rio de Janeiro, Brazil.
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Mario Tama/Getty Images

  • The transportation data firm INRIX Research released on Tuesday its annual rankings of the most congested cities in the world.
  • Cities were ranked based on delays caused by congestion, adjusted for each city’s population.
  • Moscow was named the most congested city in the world for the second year in a row, and Europe had more cities in the top 20 than any other continent.

The transportation data firm INRIX Research released on Tuesday its annual rankings of the most congested cities in the world.

The company measured the amount of time lost per capita in 2018 due to the difference between traffic at the busiest and least busy commuting times each day. Cities were ranked based on delays caused by congestion, adjusted for each city’s population.

Moscow was named the most congested city in the world for the second year in a row, and Europe had more cities in the top-20 than any other continent.

These are the most congested cities in the world.


20. Toronto, Canada

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Reuters

Hours lost in congestion: 164


19. Washington, DC, United States

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REUTERS/Jason Reed

Hours lost in congestion: 155


18. Belo Horizonte, Brazil

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Washington Alves/Reuters

Hours lost in congestion: 202


17. Melbourne, Australia

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Shuang Li/Shutterstock

Hours lost in congestion: 118


16. Paris, France

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Reuters/Charles Platiau

Hours lost in congestion: 237


15. Berlin, Germany

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Fabrizio Bensch/Reuters

Hours lost in congestion: 154


14. Singapore, Singapore

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Komar/Shutterstock

Hours lost in congestion: 105


13. Sydney, Australia

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David Gray/Reuters

Hours lost in congestion: 138


12. Izmir, Turkey

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Arda Savasciogullari/Shutterstock

Hours lost in congestion: 154


11. Ankara, Turkey

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Anadolu Agency/Getty Images

Hours lost in congestion: 128


10. Rome, Italy

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Reuters/Alessandro Bianchi

Hours lost in congestion: 254


9. Saint Petersburg, Russia

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Wikimedia Commons/Satbir Singh London

Hours lost in congestion: 200


8. Boston, United States

Hours lost in congestion: 164


7. Rio de Janeiro, Brazil

Traffic in Rio de Janeiro, Brazil.

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Mario Tama/Getty Images

Hours lost in congestion: 199


6. London, United Kingdom

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Brian Minkoff/shutterstock

Hours lost in congestion: 227


5. Sao Paulo, Brazil

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Alf Ribeiro/Shutterstock

Hours lost in congestion: 154


4. Mexico City, Mexico

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Stephanie Maze/Getty Images

Hours lost in congestion: 218


3. Bogota, Colombia

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Thomas Imo/Photothek via Getty Images

Hours lost in congestion: 272


2. Istanbul, Turkey

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Yasemin Olgunoz Berber/shutterstock

Hours lost in congestion: 157


1. Moscow, Russia

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Savvapanf Photo/shutterstock

Hours lost in congestion: 210