What are largest cites and their population?

Here are the 10 largest cities in the world by population, according to the United Nations' estimates for 2018:

1. Tokyo (Japan) - 37 million

2. Delhi (India) - 28.5 million

3. Shanghai (China) - 26.3 million

4. Beijing (China) - 21.5 million

5. Mumbai (India) - 18.4 million

6. Cairo (Egypt) - 17.9 million

7. Karachi (Pakistan) - 16 million

8. Istanbul (Turkey) - 15.5 million

9. Mexico City (Mexico) - 14.9 million

10. Dhaka (Bangladesh) - 14.4 million

Note: These are just estimates, and the populations of these cities may have changed since 2018.