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What are the main drivers behind the shift in city populations?
The main drivers include rural-to-urban migration, climate-related displacement, and improved measurement methods. Rapid economic development in Asia has led to massive urban growth, especially in cities like Dhaka and Jakarta. Climate change is also forcing people to move from rural areas to cities, further fueling urban expansion.
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How will Dhaka's growth impact global urban planning?
Dhaka is projected to become the world's largest city by 2050, which will pose significant challenges for infrastructure, housing, and services. Urban planners worldwide will need to adapt to managing such rapid growth, focusing on sustainable development and resilient infrastructure to support millions of new residents.
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What role do climate change and migration play in city growth?
Climate change causes environmental stress and displacement, pushing people from affected rural areas into cities. Migration, both rural to urban and international, is a key factor in city growth, especially in Asia, where economic opportunities attract millions seeking better lives.
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Which cities are expected to see the biggest population increases?
Cities like Dhaka, Jakarta, and other Asian megacities are expected to see the largest increases in population. The UN's latest report highlights that 33 megacities now exist globally, mostly in Asia, with many projected to grow significantly over the next few decades.
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Why did Jakarta overtake Tokyo as the most populous city?
Jakarta's rise is due to rapid urban growth driven by rural migration and demographic shifts, combined with changes in how city populations are measured. Previously underestimated, Jakarta now has an estimated population of 42 million, making it the largest city in the world.
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What does the future hold for urbanization worldwide?
The future of urbanization points to continued growth of megacities, especially in Asia. Climate change and migration will remain key factors influencing city populations. Urban planning will need to focus on sustainability, infrastructure, and resilience to accommodate this rapid change.