What We're Showing
This graphic shows the population growth of the world’s megacities by built-up area, based on data from the European Commission via Our World in Data.
Key Takeaways
- Since 1975, Guangzhou, China’s population has grown by 1,948%, standing at a projected 43 million in 2025 based on satellite imagery and national census data.
- New Delhi, India has expanded by 398% over the same period, to reach a forecasted 31.4 million this year.
