Global megacity populations 2025

Published by S. Galan, May 27, 2025

As of 2025, Tokyo-Yokohama in Japan was the largest world urban agglomeration, with 37 million people living there. Delhi ranked second with more than 34 million, with Shanghai in third with more than 30 million inhabitants.

Largest urban agglomerations worldwide in 2025, by population (in 1,000s)

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Release date

May 2025

Region

Worldwide

Survey time period

2025

Supplementary notes

Figures were rounded.

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