Urbanization: Urbanization refers to the process of an increasing number of people moving from rural areas to cities, leading to the growth of urban areas.
Megacities: Megacities are densely populated urban areas with over 10 million inhabitants. They often face significant challenges in terms of infrastructure, services, and managing resources.
Slums: Slums are densely populated informal settlements characterized by inadequate housing conditions, lack of basic amenities such as clean water and sanitation facilities, and limited access to essential services.