10 Most Populous Cities in the World

10. Osaka, Japan - Approximately 18,967,459 residents

9. Mumbai, India - Approximately 21,673,149 residents

8. Beijing, China - Approximately 22,189,082 residents

7. Mexico City, Mexico - Approximately 22,505,315 residents

6. Cairo, Egypt - Approximately 22,623,874 residents

5. São Paulo, Brazil - Approximately 22,806,704 residents

4. Dhaka, Bangladesh - Approximately 23,935,652 residents

3. Shanghai, China - Approximately 29,867,918 residents

2. Delhi, India - Approximately 33,807,403 residents

1. Tokyo, Japan - Approximately 37,115,035 residents