![biggest cities world biggest cities world](https://www.the-top-twenty.com/wp-content/uploads/2019/05/biggest-cities-world.jpg)
You better bring a map when visiting these cities, otherwise you might get lost in these huge and busy places.
We present you the Top 20 biggest Cities in the World!
![Teheran Iran list top 20 biggest cities world Teheran Iran population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Teheran-Iran-list-top-20-biggest-cities-world.jpg)
20. Teheran (Iran) – 8,693,706 population
![London uk list top 20 biggest cities world London uk population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/London-uk-list-top-20-biggest-cities-world.jpg)
19. London (United Kingdom) – 8,825,001 population
![Cairo Egypt list top 20 biggest cities world Cairo Egypt population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Cairo-Egypt-list-top-20-biggest-cities-world.jpg)
18. Cairo (Egypt) – 9,153,135 population
![Bangkok Thailand list top 20 biggest cities world Bangkok Thailand population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Bangkok-Thailand-list-top-20-biggest-cities-world.jpg)
17. Bangkok (Thailand) – 9,402,771 population
![Tokio Japan list top 20 biggest cities world Tokio Japan population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Tokio-Japan-list-top-20-biggest-cities-world.jpg)
16. Tokio (Japan) – 9,555,919 population
![Lima Peru list top 20 biggest cities world Lima Peru population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Lima-Peru-list-top-20-biggest-cities-world.jpg)
15. Lima (Peru) – 9,562,280 population
![Seoul South Korea list top 20 biggest cities world Seoul South Korea population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Seoul-South-Korea-list-top-20-biggest-cities-world.jpg)
14. Seoul (South Korea) – 9,805,506 population
![Jakarta Indonesia list top 20 biggest cities world Jakarta Indonesia population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Jakarta-Indonesia-list-top-20-biggest-cities-world.jpg)
13. Jakarta (Indonesia) – 10,075,310 population
![Delhi India list top 20 biggest cities world Delhi India population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Delhi-India-list-top-20-biggest-cities-world.jpg)
12. Delhi (India) – 11,007,835 population
![Lahore Pakistan list top 20 biggest cities world Lahore Pakistan population](https://www.the-top-twenty.com/wp-content/uploads/biggest cities world/Lahore-Pakistan-list-top-20-biggest-cities-world.jpg)