The world's ten largest urban agglomerations

This is a list of the world's largest urban agglomerations, with the estimated numbers currently living in them. Source is the CIA World Factbook.

1. Tokyo (Japan) - 36,669,000
2. Delhi (India) - 22,157,000
3. Sao Paulo (Brazil) - 20,262,000
4. Mumbai (India) - 20,041,000
5. Mexico City (Mexico) - 19,460,000
6. New York-Newark (US) - 19,425,000
7. Shanghai (China) - 16,575,000
8. Kolkata (India) - 15,552,000
9. Dhaka (Bangladesh) - 14,648,000
10. Karachi (Pakistan) - 13,125,000 (2009)