The world’s biggest cities are growing faster than ever — and the numbers are mind-blowing. From mega metros to global economic hubs, these cities now hold populations larger than entire countries. 🏙️ Top 10 Largest Cities in the World (by population — depending on your list) These cities are where culture blends, economies boom, and millions chase new opportunities every single day. Which mega-city would you want to live in?👇 #factcube #worldfacts #cityfacts #globalcities #largestcities #urba