NYC, Tokyo, Delhi: These maps chart the growth in area and population of 20 megacities

Today there are more than 30 cities with a population over 10 million. Fortune charts how the most populous urbanized areas have changed since 1990.

Urban Science, Free Full-Text

Megacities of the world: a glimpse of how we'll live tomorrow

The world's most populated and greenest megacities (and how we found out)

global cities – CityGeographics

Population density figures shown for the 20 densest megacities are

Top 20 cities in population by 2100 : r/MapPorn

Evolution of megacities, showing percentage urban and urban

Urbanization and Megacities - LabXchange

Between Mexico City and Tokyo, which city is the biggest in the world in terms of population? Which one of these two cities will be bigger in the proper and greater metro

Temporal consistency between gross primary production and solar-induced chlorophyll fluorescence in the ten most populous megacity areas over years

Focusing on World Megacities: Demographia World Urban Areas, 2021

Impacts of Megacities on Air Quality: Challenges and Opportunities

International Collaborative Research: “Smart Global Mega Cities” and Conclusions of Cities Case Studies Tokyo, New York, Mumbai, Hong Kong-Shenzhen, and Kolkata

How Many U.S. Cities Can You Fit Inside Tokyo? - Metrocosm

Evolution of megacities, showing percentage urban and urban