Top 30 Cities in 2025

Here is my list of the top 30 cities in 2025.  Comparisons to the Top 25 cities currently are in brackets.

1. Tokyo [1]
2. Hong Kong/Shenzhen/Guangzhou/Foshan/Dongguan [4]
3. Shanghai/Suzhou/Nanjing [2]
4. Beijing/Tianjin [6]
5. New York [3]
6. Los Angeles [5]
7. London [10]
8. Paris [7]
9. Sao Paulo [-]
10. Osaka [11]
11. Moscow [-]
12. Chicago [9]
13. Rhine-Ruhr [13]
14. San Francisco/San Jose [12]
15. Washington/Baltimore [17]
16. Houston [15]
17. Seoul [8]
18. Dallas [18]
19. Istanbul [-]
20. Mexico City [-]
21. Chongqing [-]
22. Boston [16]
23. Singapore [-]
24. Nagoya [14]
25. Randstad [19]
26. Philadelphia [20]
27. Wuhan [-]
28. Sydney [22]
29. Toronto [23]
30. Atlanta [25]

 Honorable Mention: Buenos Aires, Miami, Milan, Rio de Janiero, Melbourne

Note:  I don't have good data for Seoul, Osaka, or Nagoya, and the above includes wild guesses. These are all huge cities in prosperous nations that keep getting overlooked.