π️ World Megacity Index 2026
Real-time Urban Population Estimates
*Data based on UN World Urbanization Prospects (Simulated Live)
What is a Megacity?
A megacity is generally defined as a metropolitan area with a total population of over 10 million people. As of 2026, the rapid urbanization of Asia and Africa continues to reshape the global economic landscape.
While Tokyo remains the world's most populous city, Delhi is fast approaching the top spot due to significant annual growth. Understanding these urban trends is vital for planning future infrastructure, technology, and sustainability goals.
