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Jakarta Becomes World's Most Populous Capital with 42 Million Residents

Source: Jakarta world’s most populous capital with 42 million people: UN report (2025-11-24)

Jakarta, Indonesia, has officially claimed the title of the world's most populous capital city, according to the latest United Nations report released in November 2025. With a staggering population of 42 million residents, Jakarta surpasses previous leaders and highlights the rapid urbanization trends shaping the 21st century. This development underscores the broader global shift towards urban living, with more than 45% of the world's 8.2 billion people now residing in cities. Since 1950, urban populations have more than doubled, and by 2050, it is projected that two-thirds of humanity will live in urban areas, fueling economic growth, infrastructure development, and environmental challenges. In addition to Jakarta's rise, recent data reveals that the number of megacities—urban areas with populations exceeding 10 million—has increased fourfold from just 8 in 1975 to 33 in 2025. Notably, over half of these megacities are located in Asia, emphasizing the continent's rapid urban expansion. This trend is driven by factors such as rural-to-urban migration, economic opportunities, and technological advancements that facilitate urban living. Recent facts further illuminate this global phenomenon: 1. **Urban Population Growth**: The global urban population has grown by over 25% since 2000, with Asia experiencing the fastest growth rates. 2. **Infrastructure Challenges**: Rapid urbanization has led to increased pressure on transportation, housing, and sanitation systems, prompting cities to invest heavily in smart city technologies. 3. **Environmental Impact**: Megacities contribute significantly to global carbon emissions, prompting initiatives for sustainable urban development and green energy adoption. 4. **Economic Powerhouses**: Many megacities, including Jakarta, are becoming economic hubs, attracting foreign investment and fostering innovation ecosystems. 5. **Technological Integration**: Cities are increasingly adopting AI, IoT, and big data to improve urban management, traffic flow, and public safety. Jakarta's population boom presents both opportunities and challenges. The city is investing in mass transit systems, green spaces, and resilient infrastructure to accommodate its growing population. Meanwhile, policymakers worldwide are emphasizing sustainable urban planning to mitigate environmental impacts and improve quality of life. The rise of megacities like Jakarta signals a transformative era in human civilization, where urban centers will play a pivotal role in shaping economic, social, and environmental futures. As urbanization accelerates, global efforts are increasingly focused on creating smarter, greener, and more inclusive cities to ensure sustainable growth for future generations.

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