These are the 20 most congested cities in the world

Mario Tama/Getty ImagesTraffic in Rio de Janeiro, Brazil.

  • 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

Hours lost in congestion: 164


19. Washington, DC, United States

Hours lost in congestion: 155


18. Belo Horizonte, Brazil

Hours lost in congestion: 202


17. Melbourne, Australia

Shuang Li/Shutterstock

Hours lost in congestion: 118


16. Paris, France

Hours lost in congestion: 237


15. Berlin, Germany

Hours lost in congestion: 154


14. Singapore, Singapore

Komar/Shutterstock

Hours lost in congestion: 105


13. Sydney, Australia

Hours lost in congestion: 138


12. Izmir, Turkey

Arda Savasciogullari/Shutterstock

Hours lost in congestion: 154


11. Ankara, Turkey

Anadolu Agency/Getty Images

Hours lost in congestion: 128


10. Rome, Italy

Hours lost in congestion: 254


9. Saint Petersburg, Russia

Wikimedia Commons/Satbir Singh London

Hours lost in congestion: 200


8. Boston, United States

Hours lost in congestion: 164


7. Rio de Janeiro, Brazil

Mario Tama/Getty Images

Hours lost in congestion: 199


6. London, United Kingdom

Hours lost in congestion: 227


5. Sao Paulo, Brazil

Alf Ribeiro/Shutterstock

Hours lost in congestion: 154


4. Mexico City, Mexico

Stephanie Maze/Getty Images

Hours lost in congestion: 218


3. Bogota, Colombia

Thomas Imo/Photothek via Getty Images

Hours lost in congestion: 272


2. Istanbul, Turkey

Hours lost in congestion: 157


1. Moscow, Russia

Hours lost in congestion: 210

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