This Asian city is now the largest in the world by population – find out the others in the top 10

Ever wondered where the world’s biggest crowds, tallest skylines, and most intense city buzz truly live? The latest United Nations “World Urbanization Prospects 2025” report has revealed a dramatic reshuffling of the global urban map—and the results might surprise you. With nearly half of the planet’s 8.2 billion people now living in cities, megacities are expanding at breakneck speed, especially across Asia. In fact, nine out of the top 10 most populated cities on Earth in 2025 are in Asia, signalling a massive demographic shift that is reshaping economies, infrastructure, and everyday life. These cities are becoming global engines of culture, innovation, and commerce—but also hotspots of congestion, climate risk, and urban pressure. Here’s a closer look at the world’s 10 most populous cities.

1. Jakarta, Indonesia – 42 million
In a shocking leap, Jakarta has skyrocketed from 33rd place in 2018 to the world’s most populous city, now home to nearly 42 million people. Despite frequent flooding, pollution, overcrowding, and the alarming fact that parts of the city are sinking, Jakarta remains Indonesia’s beating economic heart—buzzing with culture, trade, and unstoppable urban growth.

2. Dhaka, Bangladesh – 37 million
One of the fastest-growing megacities on Earth, Dhaka’s population boom is fuelled by migration and its powerful textile and garment industries. While infrastructure struggles under immense pressure, the city thrives culturally with bustling markets, vibrant street food, and a workforce driving Bangladesh’s economic rise.

3. Tokyo, Japan – 33.4 million
Once the reigning champion, Tokyo now sits at third place due to slower growth and a rapidly aging population. Still, it remains a global icon of efficiency and modernity—boasting world-class transport systems, cutting-edge technology, and highly organized urban living.

4. New Delhi, India – 30.2 million
India’s capital continues to surge as millions move in from surrounding regions. Pollution and infrastructure strain remain major challenges, yet New Delhi holds unmatched influence as the nation’s political, cultural, and educational powerhouse.

5. Guangzhou, China – 27.6 million
A vital part of the Pearl River Delta megaregion, Guangzhou thrives on manufacturing, trade, and booming tech industries. Its modern infrastructure and economic dominance attract millions of workers every year, cementing its status as one of China’s strongest growth engines.

6. Shanghai, China – 26.6 million
China’s financial capital blends futuristic skylines with historic districts, drawing both global businesses and migrants. Its booming real estate market and international appeal continue to fuel rapid growth, making it a major global economic and cultural hub.

7. Cairo, Egypt – 25.6 million
The only non-Asian city in the top 10, Cairo’s population exceeds twice that of New York City. Urban sprawl and resource strain pose challenges, but the city remains a historical and cultural titan, anchoring the Middle East politically and economically.

8. Manila, Philippines – 24.7 million
Driven by migration and economic expansion, Manila’s metro area continues to swell. Despite congestion and infrastructure gaps, it remains the Philippines’ commercial and cultural core, known for its coastal districts, entertainment scene, and dynamic urban energy.

9. Kolkata, India – 22.5 million
Once British India’s capital, Kolkata continues to grow as a cultural and commercial hub. Despite traffic, congestion, and aging infrastructure, it remains a major centre for education, arts, literature, and industry, drawing large numbers of residents from surrounding regions.

10. Seoul, South Korea – 22.5 million
Seoul combines modern skyscrapers, advanced technology, K-pop influence, and efficient transportation. Despite its dense population, strong urban planning and infrastructure make it highly livable, reinforcing its role as a global tech, entertainment, and economic leader.