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.

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

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Energy and material flows of megacities

World Population Density Map Update with GHSL 2023 – CityGeographics

The Most Populated Cities of the World. World Megacities - Nations Online Project

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World City Populations Interactive Map 1950-2035

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Projecting future populations of urban agglomerations around the world and through the 21st century

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

The changing PM2.5 dynamics of global megacities based on long-term remotely sensed observations - ScienceDirect

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

38 maps that explain the global economy - Vox

Focusing on World Megacities: Demographia World Urban Areas, 2021