In this episode, we’ll examine the key drivers of urbanisation: rural-to-urban migration and natural population growth. We’ll discuss how migration is influenced by "push" factors, such as natural disasters and unemployment, and "pull" factors, like job opportunities and improved infrastructure. We’ll also explore how natural increase, driven by higher birth rates in younger urban populations, contributes to city growth. Finally, we’ll look at the rise of megacities—urban areas with over ten million residents—and highlight Tokyo as the world's most populous city, home to 38 million people.

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