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Quiz yourself on Urban Sustainability and MegacitiesGet your flashcardsBuild my revision planTrack my progress🏙️ 300,000 New Arrivals Every Year
She is one of approximately 300,000 people who move to Dhaka every single year. That is the equivalent of a city the size of Coventry arriving in Dhaka in twelve months. Add them year after year, decade after decade, and you have one of the most extraordinary human stories of our time: the rise of the megacity.
In 1950, there were just two cities on Earth with more than 10 million inhabitants — New York and Tokyo. By 2024 there were 37 of them, home to more than half a billion people. Almost all of that growth happened not in the wealthy countries of Europe and North America, but in the rapidly urbanising nations of Africa and Asia. Understanding why megacities grow, what problems they create, and how those problems can be managed is one of the central challenges of 21st-century geography — and one of the most reliably examined topics in your GCSE.
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