The world’s 20 Worst Cities For Traffic Jams, 2017

According to figures from GPS manufacturer TomTom, the world’s most congested city is by far Mexico City. So, who takes the top (worst) honor?

Mexico City (Mexico) received a score of 66%, meaning it took commuters 66% more time to travel anywhere in the city during peak times than it did when driving in uncongested conditions. That’s a 4% increase from the year before, showing congestion is becoming a bigger issue in the Mexico city.

It ranked 390 cities across 48 countries that have the most traffic congestion in its 2017 Traffic Index and gave each a congestion score out of 100. Each percentage represents how much extra travel time it took on average to make any trip, anywhere in the city. Here’s where you’re most likely to get stuck in a traffic jam.

Here are the 20 most congested cities in the world, 2017:

1. Mexico City, Mexico, received a score of 66%, a 7-point uptick from the year prior.
2. Bangkok, Thailand, secured a score of 61%, a 4 point increase from the year before.
3. Jakarta, Indonesia, got the same score as it did in 2016: 58%, the same as the year prior.

4. Chongqing, China, got a score of 52%, a 14-point increase from 2016.
5. Bucharest, Romania, got a score of 50%, a 2-point increase from 2016.

6. Istanbul, Turkey, got a score of 49%, a 2-point decrease from 2016.
7. Chengdu, China, got a score of 47%, a 6-point increase from the year before.
8. Rio de Janeiro, Brazil, got a score of 47%, the same as the year prior.
9. Tainan, Taiwan, got a score of 46%, a 10-point increase from the year before.
10. Beijing, China, got a score of 46%, a 8-point increase from the year before.

11. Changsha, China, got a score of 45%, a 6-point increase from the year before.
12. Los Angeles, USA, got a score of 45%, a 4-point increase from the year before.
13. Moscow, Russia, got a score of 44%.
14. Guangzhou, China, got a score of 44%, a 7-point increase from the year before.
15. Shenzhen, China, got a score of 44%, a 7-point increase from the year before.

16. Hangzhou, China, got a score of 43%, a 5-point increase from the year before.
17. Santiago de Chile, Chile, got a score of 43%, the same as the year prior.
18. Shijiazhuang, China, got a score of 42%, a 6-point increase from the year before.
19. Buenos Aires, Argentina, got a score of 42%, the same as the year prior.
20. Kaohsiung, Taiwan, got a score of 41%, a 5-point increase from the year before.