Mega-Cities - GCSE Geography Definition

Mega-cities are very large cities that have a population of over 10 million people. These cities are major centres for business, culture, and government. Because so many people live in mega-cities, they often face challenges like traffic congestion, pollution, and providing enough housing and services like schools and hospitals. Examples of mega-cities include London, Tokyo, and New York. Many mega-cities are now found in Africa, as a result of rapid population increase and rural-urban migration. Studying mega-cities helps us understand the impact of urbanisation, which is the process of more and more people moving from the countryside to live in cities.