The World's Most Congested Cities in 2021: Where Does Jakarta Rank?

High traffic density in a city can cause traffic congestion. Not only in Indonesia, but a number of cities around the world also have quite severe congestion problems.

According to the *TomTom Traffic Index Ranking 2021*, the most congested city in the world in 2021 was Istanbul. The congestion index score for this Turkish city reached 62%.

Following that, second place for the world's most congested city was given to Moscow. The congestion index score for the Russian capital reached 61%.

Then there is Kyiv with a congestion index score of 56%, Bogotá with a score of 55%, Mumbai 53%, and Odessa 51%.

Saint Petersburg and Bucharest each have a congestion index score of 50%, while Novosibirsk and Bengaluru are next with a congestion index score of 48%.

Jakarta itself ranks 46th in the world with a congestion index score of 34%.

The *TomTom Traffic Index Ranking 2021* report contains traffic index data from 404 cities spread across 58 countries on 6 continents.

The traffic data used as the basis for the assessment comes from a growing community of more than 600 million drivers using TomTom technology on navigation devices, dashboard systems, and smartphones worldwide.