Asia is home to the world’s largest concentration of megacities and enormous urban regions. The continent contains some of the fastest-growing cities on Earth, as well as several historic urban centers that have been major population and economic hubs for centuries.
From Jakarta and Dhaka to Tokyo, Delhi, Shanghai and Manila, Asia’s largest cities have populations measured in tens of millions. They are centers of finance, manufacturing, technology, trade, transportation, education, tourism and culture.
According to the United Nations’ World Urbanization Prospects 2025, the number of megacities—urban areas with at least 10 million inhabitants—reached 33 worldwide in 2025, with 19 located in Asia. Jakarta is identified as the world’s most populous city under the UN’s 2025 urban methodology, followed by Dhaka and Tokyo.
Population rankings can vary depending on whether a source measures a city proper, metropolitan area or urban agglomeration. The figures in this article use the UN’s 2025 Degree of Urbanization approach, which provides a standardized basis for international comparison.
Top 15 Most Populated Cities in Asia
| Rank | City | Country | Approx. 2025 Population |
|---|---|---|---|
| 1 | Jakarta | Indonesia | 41.91 million |
| 2 | Dhaka | Bangladesh | 36.59 million |
| 3 | Tokyo | Japan | 33.41 million |
| 4 | New Delhi / Delhi | India | 30.22 million |
| 5 | Shanghai | China | 29.56 million |
| 6 | Guangzhou | China | 27.56 million |
| 7 | Manila | Philippines | 24.74 million |
| 8 | Kolkata | India | 22.55 million |
| 9 | Seoul | South Korea | 22.49 million |
| 10 | Karachi | Pakistan | 21.42 million |
| 11 | Mumbai | India | 20.20 million |
| 12 | Bangkok | Thailand | 18.18 million |
| 13 | Beijing | China | 17.01 million |
| 14 | Lahore | Pakistan | 15.16 million |
| 15 | Istanbul* | Türkiye | 15.02 million |
*Istanbul is a transcontinental city extending across Europe and Asia. It is included here because a substantial portion of its urban area lies in Asia. If Istanbul is excluded from an Asia-only ranking, Ho Chi Minh City, Vietnam, with approximately 14.05 million inhabitants, would enter the top 15.
1. Jakarta, Indonesia
Jakarta is the most populous urban area in Asia and, according to the UN’s 2025 estimates, the most populous city in the world.
Its urban population is approximately 41.91 million.
Located on the island of Java, Jakarta is the economic and commercial center of Indonesia. Its metropolitan region extends far beyond the administrative boundaries of Jakarta itself, incorporating a vast network of surrounding cities and settlements.
Jakarta’s economy includes:
- Finance
- Manufacturing
- Technology
- Retail
- Construction
- Transportation
- Logistics
- Media
- Professional services
The city is also Indonesia’s principal gateway for international business.
Jakarta’s rapid expansion has created major challenges involving traffic congestion, flooding, housing, pollution and infrastructure.
The wider urban region is commonly associated with the enormous Jabodetabek metropolitan area, which includes cities such as Bogor, Depok, Tangerang and Bekasi.
The UN estimates Jakarta’s 2025 urban population at approximately 41.914 million, compared with 25.592 million in 2000.
2. Dhaka, Bangladesh
Dhaka is the capital of Bangladesh and the second-largest urban area in Asia.
The UN estimates its 2025 population at approximately 36.59 million.
Dhaka has experienced exceptionally rapid population growth during the past several decades. The city has become a major center for Bangladesh’s economy and is particularly important to the country’s garment and textile industries.
Other important sectors include:
- Finance
- Retail
- Information technology
- Transportation
- Construction
- Telecommunications
- Education
- Healthcare
Dhaka’s enormous population has produced significant pressure on housing, transportation, water supply and public infrastructure.
Despite these challenges, the city continues to attract people from across Bangladesh because of its concentration of employment, education and business opportunities.
The UN estimates that Dhaka grew from approximately 17.44 million inhabitants in 2000 to 36.59 million in 2025.
3. Tokyo, Japan
Tokyo is the third-largest urban area in Asia, with approximately 33.41 million inhabitants under the UN’s 2025 methodology.
For decades, Tokyo was considered the world’s largest metropolitan area in many international rankings. Its population growth has slowed considerably compared with rapidly expanding cities in South Asia and Southeast Asia.
Tokyo is one of the world’s most important economic centers.
Its major industries include:
- Finance
- Automotive
- Electronics
- Technology
- Media
- Telecommunications
- Retail
- Professional services
Tokyo is also famous for its exceptionally developed public transportation system.
Major attractions include:
- Tokyo Skytree
- Shibuya
- Shinjuku
- Tokyo Tower
- Imperial Palace
- Asakusa
- Meiji Shrine
- Ginza
The UN estimates Tokyo’s 2025 urban population at 33.413 million, compared with 30.303 million in 2000. Its population growth rate has been considerably slower than that of most other cities in the Asian top 15.
4. New Delhi / Delhi, India
Delhi is one of the world’s largest urban regions, with approximately 30.22 million inhabitants in 2025.
The UN dataset identifies the urban area as New Delhi, although the broader metropolitan region is commonly referred to as Delhi.
Delhi is India’s political capital and one of its most important economic and cultural centers.
The metropolitan economy includes:
- Government
- Finance
- Information technology
- Manufacturing
- Retail
- Telecommunications
- Education
- Tourism
Delhi is also one of India’s major transportation hubs.
Historical attractions include:
- Red Fort
- India Gate
- Qutub Minar
- Humayun’s Tomb
- Lotus Temple
- Jama Masjid
- Rashtrapati Bhavan
The city’s extraordinary population growth reflects India’s broader urbanization and the concentration of employment and services in the National Capital Region.
The UN estimates Delhi’s population increased from approximately 17.97 million in 2000 to 30.22 million in 2025.
5. Shanghai, China
Shanghai is China’s largest urban center in this ranking, with approximately 29.56 million inhabitants.
Located on China’s eastern coast, Shanghai is one of the country’s most important financial, commercial and industrial centers.
Its position near the Yangtze River Delta has helped make it a major international trading and transportation hub.
Shanghai’s economy includes:
- Finance
- Manufacturing
- Technology
- Shipping
- Logistics
- Retail
- Real estate
- Professional services
The city is famous for its spectacular skyline, particularly the Pudong district.
Major attractions include:
- The Bund
- Oriental Pearl Tower
- Shanghai Tower
- Yu Garden
- Nanjing Road
- Shanghai Museum
- Former French Concession
The UN estimates Shanghai’s 2025 urban population at approximately 29.559 million, more than double its 2000 population of 14.035 million.
6. Guangzhou, China
Guangzhou is one of China’s largest urban areas, with approximately 27.56 million inhabitants.
Located in southern China near the Pearl River Delta, Guangzhou is a major center for manufacturing, trade, logistics and international commerce.
The city is closely connected with the enormous Pearl River Delta economic region, which also includes Shenzhen, Dongguan and other major industrial centers.
Guangzhou is known for:
- International trade
- Manufacturing
- Electronics
- Automotive production
- Logistics
- Technology
- Retail
The city hosts the famous Canton Fair, one of China’s major international trade exhibitions.
Important attractions include:
- Canton Tower
- Chen Clan Ancestral Hall
- Yuexiu Park
- Shamian Island
- Baiyun Mountain
- Guangzhou Opera House
The UN estimates Guangzhou’s 2025 urban population at approximately 27.563 million.
7. Manila, Philippines
Manila is the capital of the Philippines and the seventh-largest Asian urban area in this ranking.
Its 2025 population is estimated at approximately 24.74 million.
The wider Manila metropolitan region, commonly known as Metro Manila, includes numerous highly urbanized cities and municipalities.
Manila is the Philippines’ political, economic, educational and cultural center.
Important economic sectors include:
- Business services
- Finance
- Retail
- Manufacturing
- Tourism
- Information technology
- Telecommunications
- Transportation
The city also has one of Southeast Asia’s most important international airport and port systems.
Major attractions include:
- Intramuros
- Rizal Park
- Manila Ocean Park
- Manila Cathedral
- National Museum
- San Agustin Church
The UN estimates Manila’s urban population at approximately 24.735 million in 2025.
8. Kolkata, India
Kolkata is one of India’s largest cities and the major urban center of eastern India.
Its 2025 population is approximately 22.55 million.
Located along the Hooghly River, Kolkata has a long history as a commercial, cultural and intellectual center.
The city is particularly famous for:
- Literature
- Art
- Theatre
- Education
- Film
- Music
- Commerce
Kolkata also has important manufacturing and service industries.
Major attractions include:
- Victoria Memorial
- Howrah Bridge
- Indian Museum
- St. Paul’s Cathedral
- Dakshineswar Kali Temple
- Marble Palace
- Park Street
The UN estimates Kolkata’s population at approximately 22.550 million in 2025.
9. Seoul, South Korea
Seoul is the capital of South Korea and one of Asia’s most technologically advanced urban centers.
Its 2025 urban population is approximately 22.49 million.
The Seoul metropolitan region is home to a huge concentration of South Korea’s population, economic activity and technology industries.
Seoul is internationally important for:
- Electronics
- Technology
- Finance
- Automotive industries
- Entertainment
- Fashion
- Telecommunications
- Research
The city is closely associated with major South Korean corporations and the country’s technology-driven economy.
Tourist attractions include:
- Gyeongbokgung Palace
- Bukchon Hanok Village
- N Seoul Tower
- Myeongdong
- Insadong
- Dongdaemun
- Han River
The UN estimates Seoul’s 2025 population at approximately 22.490 million.
10. Karachi, Pakistan
Karachi is Pakistan’s largest city and one of the most important urban centers in South Asia.
Its 2025 population is approximately 21.42 million.
Located on the Arabian Sea, Karachi is Pakistan’s principal commercial and maritime center.
The city’s economy includes:
- Port activities
- Manufacturing
- Banking
- Finance
- Retail
- Telecommunications
- Logistics
- Services
Karachi’s port gives the city a particularly important role in Pakistan’s international trade.
Major attractions include:
- Mazar-e-Quaid
- Mohatta Palace
- Clifton Beach
- Frere Hall
- National Museum of Pakistan
- Empress Market
The UN estimates Karachi’s 2025 population at approximately 21.423 million.
11. Mumbai, India
Mumbai is India’s financial capital and one of the most influential cities in Asia.
Its urban population is approximately 20.20 million in 2025.
Mumbai is a major center for:
- Banking
- Finance
- Stock markets
- Film
- Media
- Advertising
- Technology
- International business
- Manufacturing
The city is also home to Bollywood, India’s internationally famous Hindi-language film industry.
Major attractions include:
- Gateway of India
- Marine Drive
- Chhatrapati Shivaji Maharaj Terminus
- Elephanta Caves
- Colaba
- Siddhivinayak Temple
Mumbai’s compact geography and enormous population create one of the highest-density urban environments in Asia.
The UN estimates Mumbai’s 2025 population at 20.203 million.
12. Bangkok, Thailand
Bangkok is Thailand’s capital and one of Southeast Asia’s largest urban centers.
Its 2025 population is approximately 18.18 million.
Bangkok is an important center for:
- Tourism
- Finance
- Retail
- Transportation
- Hospitality
- Manufacturing
- International business
Tourism is particularly important to the city’s economy.
Bangkok is famous for its combination of historic Buddhist temples, royal architecture, modern shopping centers and vibrant urban districts.
Major attractions include:
- Grand Palace
- Wat Arun
- Wat Pho
- Chatuchak Market
- Chinatown
- Jim Thompson House
- Chao Phraya River
The UN estimates Bangkok’s urban population at approximately 18.180 million in 2025.
13. Beijing, China
Beijing is the capital of China and one of the country’s most important political, cultural and educational centers.
Its 2025 urban population is approximately 17.01 million.
Beijing has a different economic profile from Shanghai and Guangzhou because of its role as the national political and administrative capital.
Major sectors include:
- Government
- Technology
- Education
- Research
- Finance
- Media
- Culture
- Professional services
Beijing contains some of China’s most famous historical monuments.
Major attractions include:
- Forbidden City
- Tiananmen Square
- Temple of Heaven
- Summer Palace
- Great Wall of China
- National Museum of China
- Hutongs
The UN estimates Beijing’s 2025 urban population at approximately 17.013 million.
14. Lahore, Pakistan
Lahore is Pakistan’s second major urban center and one of the most important cultural cities in South Asia.
Its 2025 population is estimated at approximately 15.16 million.
Lahore is the capital of Punjab province and an important center for:
- Education
- Manufacturing
- Commerce
- Information technology
- Government
- Tourism
- Culture
The city has a particularly rich Mughal heritage.
Major attractions include:
- Lahore Fort
- Badshahi Mosque
- Minar-e-Pakistan
- Wazir Khan Mosque
- Shalimar Gardens
- Lahore Museum
- Walled City of Lahore
The UN estimates Lahore’s 2025 urban population at approximately 15.156 million.
15. Istanbul, Türkiye
Istanbul occupies a special position in any ranking of Asian cities because it is a transcontinental city.
Approximately 15.02 million people are included in the UN’s 2025 urban estimate.
The city stretches across the Bosporus, with one part in Europe and the other in Asia.
Istanbul has played an extraordinary role in world history. It was successively associated with Byzantium, Constantinople and the Ottoman Empire, and it remains one of the world’s most important cultural and commercial centers.
The Asian side includes large residential and commercial areas, while the European side contains many of the city’s most famous historic landmarks.
Major attractions include:
- Hagia Sophia
- Blue Mosque
- Topkapı Palace
- Grand Bazaar
- Galata Tower
- Dolmabahçe Palace
- Basilica Cistern
- Bosporus
Istanbul’s economy includes tourism, finance, manufacturing, logistics, trade, technology, retail and real estate.
The UN’s 2025 estimate places Istanbul at approximately 15.015 million. Because the city is partly European, rankings that require cities to be entirely within Asia may exclude it.
If Istanbul Is Excluded: Ho Chi Minh City
If the ranking is restricted to cities located entirely in Asia, Istanbul can be removed because it is transcontinental.
In that case, Ho Chi Minh City, Vietnam, enters the top 15.
The UN estimates its 2025 urban population at approximately 14.05 million.
Ho Chi Minh City is Vietnam’s largest economic center and an important hub for manufacturing, technology, trade, finance, tourism and international business.
Major attractions include:
- Notre-Dame Cathedral Basilica area
- Ben Thanh Market
- Independence Palace
- War Remnants Museum
- Saigon Central Post Office
- Nguyen Hue Walking Street
- Cholon
The city has become increasingly important in Southeast Asia’s manufacturing and investment landscape.
Asia’s Dominance in Global Urbanization
One of the most important features of the world’s urban population is the enormous concentration of megacities in Asia.
The UN’s 2025 estimates identify 19 of the world’s 33 megacities as being located in Asia.
The reasons for this concentration include:
- Very large national populations
- Rapid urbanization
- Industrialization
- International trade
- Migration from rural areas
- Expansion of manufacturing
- Development of technology industries
- Concentration of universities and services
- Growth of regional economic corridors
South Asia and East/Southeast Asia are particularly important in this process.
Why Are Asian Cities Growing So Quickly?
Rural-to-urban migration
Millions of people have moved from rural communities to cities in search of jobs, education and better access to services.
Industrialization
Manufacturing and export industries have created large employment centers around cities such as Shanghai, Guangzhou, Jakarta, Dhaka and Ho Chi Minh City.
Population growth
Several Asian countries have experienced substantial population growth, creating a large potential workforce and consumer market.
International trade
Many of Asia’s largest cities are located near major ports, shipping routes and international commercial corridors.
Technology
Cities such as Tokyo, Seoul, Shanghai, Beijing, Bengaluru and other Asian technology centers have attracted investment and highly skilled workers.
The Economic Importance of Asia’s Largest Cities
Asia’s largest cities perform different economic functions.
| City | Major Economic Roles |
|---|---|
| Jakarta | Finance, manufacturing, trade, technology, services |
| Dhaka | Garments, manufacturing, commerce, services |
| Tokyo | Finance, technology, automotive, services |
| Delhi | Government, technology, finance, services |
| Shanghai | Finance, shipping, manufacturing, trade |
| Guangzhou | Manufacturing, trade, logistics, technology |
| Manila | Services, finance, technology, commerce |
| Kolkata | Commerce, education, manufacturing, culture |
| Seoul | Technology, electronics, finance, entertainment |
| Karachi | Ports, finance, manufacturing, commerce |
| Mumbai | Finance, film, media, business |
| Bangkok | Tourism, finance, retail, services |
| Beijing | Government, technology, research, finance |
| Lahore | Manufacturing, education, commerce, technology |
| Istanbul | Trade, tourism, finance, manufacturing, logistics |
The Infrastructure Challenge
The enormous population of Asia’s largest cities creates major infrastructure requirements.
Transportation
Metropolitan areas with 20–40 million residents require extensive road, rail, metro and public transportation networks.
Housing
Rapid population growth creates strong demand for apartments and other forms of urban housing.
Water
Large cities require reliable water supply and wastewater treatment systems.
Energy
Urban populations consume enormous quantities of electricity, particularly in rapidly developing economies.
Waste management
The volume of municipal waste generated by megacities creates major environmental and logistical challenges.
Air pollution
Traffic, industrial production and construction can contribute significantly to urban air pollution.
The Future of Asian Megacities
Asia’s urban population will continue to reshape the global economy during the coming decades.
The UN projects substantial growth for several of today’s largest cities. Jakarta and Dhaka, in particular, are expected to remain enormous urban centers, while other cities will experience slower growth or demographic stabilization. The UN’s 2025 projections put Dhaka’s 2050 population at approximately 52.1 million, while Jakarta’s is projected at about 51.8 million under the same urban methodology.
Shanghai and Delhi are also projected to remain among the world’s largest urban areas.
At the same time, cities such as Tokyo face very different demographic conditions, including slower growth and population aging.
This means that Asia’s future urban landscape will not be uniform. Some cities will continue expanding rapidly, while others will focus more on managing aging populations, improving infrastructure and increasing productivity.
Asian Cities and Smart-City Development
Technology is increasingly becoming part of urban management across Asia.
Large cities are investing in:
- Intelligent transportation systems
- Digital government services
- Smart electricity grids
- Cashless payments
- Automated public services
- Traffic monitoring
- Digital healthcare
- Data-driven urban planning
- Renewable energy
- Electric transportation
Cities such as Seoul, Tokyo, Singapore, Shanghai and other major Asian centers have already developed sophisticated digital infrastructure.
The next stage will involve integrating these systems with climate adaptation, transportation and energy planning.
Population Density and Urban Life
Population size alone does not determine how crowded a city feels.
Two cities can have similar populations but very different densities because their urban areas cover different amounts of land.
The UN’s 2025 methodology considers the spatial distribution and continuity of built-up areas rather than simply using administrative boundaries. This makes international comparisons more consistent, but it also means that the resulting figures can differ from national census totals or commonly quoted metropolitan populations.
This distinction is especially important for very large cities such as Jakarta, Tokyo, Delhi, Shanghai and Manila.
Asia’s Urban Future
The growth of Asian cities will have consequences far beyond Asia itself.
These cities are becoming increasingly important in:
- Global manufacturing
- International finance
- Technology
- Tourism
- Trade
- Logistics
- Education
- Innovation
- Entertainment
- Consumer markets
The continued growth of cities such as Jakarta, Dhaka, Delhi, Shanghai and Manila will influence global supply chains and investment patterns.
At the same time, governments will need to address congestion, pollution, housing shortages, climate risks and infrastructure demands.
Asia is the world’s dominant continent when it comes to megacities.
The Top 15 most populated Asian urban areas in 2025 include Jakarta, Dhaka, Tokyo, Delhi, Shanghai, Guangzhou, Manila, Kolkata, Seoul, Karachi, Mumbai, Bangkok, Beijing, Lahore and Istanbul.
Together, these cities illustrate the enormous scale and diversity of Asian urbanization.
Jakarta and Dhaka represent particularly rapid urban expansion, while Tokyo demonstrates a more mature and highly developed metropolitan model. Shanghai and Guangzhou illustrate the importance of manufacturing and international trade, while Seoul represents technology-driven development. Mumbai, Delhi, Karachi and Lahore demonstrate the extraordinary scale of South Asian urbanization.
Istanbul adds another unique dimension because it connects Asia and Europe.
The future of Asia will be strongly connected to the future of its cities. How these enormous urban areas manage transportation, housing, water, energy, technology, climate change and economic development will influence not only hundreds of millions of residents but also the global economy as a whole.
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