Largest cities in the world by population- Quiz

There are many estimates about the largest cities in the world. But this list is prepared based on the urban agglomeration rather than the exact population of a city. Hope it will be useful for your Competitive exams and Quiz and trivia competitions.
1.Tokyo, Japan - 34,100,0002.
2.Mexico City, Mexico - 22,650,000
3.Seoul, South Korea - 22,250,000
4.New York, United States - 21,850,000
5. Sao Paulo, Brazil - 20,200,000
6. Mumbai, India - 19,700,0007.
7.Dehli, India - 19,500,000
8. Los Angeles, United States - 17,950,000
9. Shanghai, China - 17,900,000
10. Jakarta, Indonesia - 17,150,000
11. Osaka, Japan - 16,800,000
12. Kolkata, India - 15,550,000
13. Cairo, Egypt - 15,450,000
14. Manila, Philippines - 14,850,000
15. Karachi, Pakistan - 14,100,000
16. Moscow, Russia - 13,750,000
17. Buenos Aires, Argentina - 13,400,000
18. Dhaka, Bangladesh - 13,100,000
19. Rio de Janeiro, Brazil - 12,100,000
20. Beijing, China - 11,950,000