UN projects 35 megacities by 2025

By 2025 the UN projects there will be 35 megacities (10m+) in comparison to 22 in 2011.

Population growth of the top 15 megacities millions, 2001 to 2025 (projection)

1. Tokyo 37m 39m (+5%)
2. New Delhi 23m 33m (+42%)
3. Shanghai 20m 28m (+40%)
4. Mumbai 20m 27m (+39%)
5. Mexico City 20m 25m (+25%)
6. New York 20m 24m (+20%)
7. Beijing 16m 23m (+44%)
8. Dhaka 15m 23m (+53%)
9. Sao Paulo 20m 23m (+15%)
10. Karachi 14m 20m (+43%)
11. Calcutta 14m 19m (+36%)
12. Manila 12m 16m (+33%)
13. Buenos Aires 14m 16m (+14%)
14. Los Andeles 12m 16m (+23%)
15. Rio de Janeiro 12m 14m (+17%)

Source: UN Population Division and World Economic Forum: Outlook on the Global Agenda 2014