The Largest Cities in the World

The 30 Most Populous Urban Areas in the World

The world's largest urban area - Tokyo (37.8 million) - has a larger population than the entire country of Canada (35.3 million). Below you'll find a listing of the world's largest urban areas, known as urban agglomerations, based on data compiled by the United Nations Population Division.

The data on these 30 largest cities of the world is current as of 2014 and reflects the best possible estimates of the populations of these huge cities.

It is notoriously difficult to measure urban populations, especially in developing countries. Additionally, the rate of urban growth in some of the world's largest cities is very high and that dynamic population growth makes determining the "exact" population of a city difficult.

If you're wondering what these cities will look like in the future, scroll down to a second list that has a projection of the largest cities ​in the world in the year 2030.

30 Largest Cities in the World

1. Tokyo, Japan - 37,800,000

2. Dehli, India - 25,000,000

3. Shanghai, China - 23,000,000

4. Mexico City, Mexico - 20,800,000

5. São Paulo, Brazil - 20,800,000

6. Mumbai, India - 20,700,000

7. Osaka, Japan - 20,100,000

8. Beijing, China - 19,500,000

9. New York, United States 18,600,000

10. Cairo, Egypt - 18,400,000

11. Dhaka, Bangladesh - 17,000,000

12. Karachi, Pakistan - 16,100,000

13. Buenos Aires, Argentina - 15,000,000

14.

Kolkata, India - 14,800,000

15. Istanbul, Turkey - 14,000,000

16. Chongqing, China - 12,900,000

17. Rio de Janeiro, Brazil - 12,800,000

18. Manila, Philippines - 12,800,000

19. Lagos, Nigeria - 12,600,000

20. Los Angeles - 12,300,000

21. Moscow, Russia - 12,100,000

22. Guangzhou, Guangdong, China - 11,800,000

23. Kinshasa, Democratic Republic of the Congo - 11,100,000

24. Tianjin, China - 10,900,000

25. Paris, France - 10,800,000

26. Shenzhen, China - 10,700,000

27. London, United Kingdom - 10,200,000

28. Jakarta, Indonesia - 10,200,000

29. Seoul, South Korea - 9,800,000

30. Lima, Peru - 9,700,000 

Projected 30 Largest Cities of the World in 2030

1. Tokyo, Japan - 37,200,000

2. Delhi, India - 36,100,000

3. Shanghai, China - 30,800,000

4. Mumbai, India - 27,800,000

5. Beijing, China - 27,700,000

6. Dhaka, Bangladesh - 27,400,000

7. Karachi, Pakistan - 24,800,000

8. Cairo, Egypt - 24,500,000

9. Lagos, Nigeria - 24,200,000

10. Mexico City, Mexico - 23,900,000

11. São Paulo, Brazil - 23,400,000

12. Kinshasa, Democratic Republic of the Congo - 20,000,000

13. Osaka, Japan - 20,000,000

14. New York, United States - 19,900,000

15. Kolkata, India - 19,100,000

16. Guangzhou, Guangdong, China - 17,600,000

17. Chongqing, China - 17,400,000

18. Buenos Aires, Argentina - 17,000,000

19. Manila, Philippines - 16,800,000

20. Istanbul, Turkey - 16,700,000

21. Bangalore, India - 14,800,000

22. Tianjin, China - 14,700,000

23. Rio de Janeiro, Brazil - 14,200,000

24. Chennai(Madras), India - 13,900,000

25. Jakarta, Indonesia - 13,800,000

26.

Los Angeles, United States -13,300,000

27. Lahore, Pakistan - 13,000,000

28. Hyderabad, India - 12,800,000

29. Shenzhen, China - 12,700,000

30. Lima, Peru - 12,200,000

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Rosenberg, Matt. "The Largest Cities in the World." ThoughtCo, Sep. 13, 2017, thoughtco.com/a-list-of-the-largest-cities-in-the-world-1435767. Rosenberg, Matt. (2017, September 13). The Largest Cities in the World. Retrieved from https://www.thoughtco.com/a-list-of-the-largest-cities-in-the-world-1435767 Rosenberg, Matt. "The Largest Cities in the World." ThoughtCo. https://www.thoughtco.com/a-list-of-the-largest-cities-in-the-world-1435767 (accessed November 22, 2017).