This Is How The World's Top Four Largest Cities In The World Have Changed Over Time

This is how the top four largest cities in the world have changed over time.

Topics:

Built Environment and Infrastructure

Share:

Forum Stories newsletter

Bringing you weekly curated insights and analysis on the global issues that matter.

Subscribe today

More on Built Environment and Infrastructure
See all

How the built environment strengthens belonging, quality of life: Lessons from Saudi Arabia

Ghada Alrumayan

June 23, 2026

The technologies poised to win the materials race against extreme heat - and why they need to scale up

Motorcycle helmets save lives - make them accessible to all

What will it take to make data centres more sustainable and fit for an AI future?

4 ways cities can make themselves more marketable for business

PPP: Public-Private Partnerships are everywhere. Do we really understand them?