What is the essence of the modern urbanization process?

Today in the world there is more and more urban population and less and less rural. This process is called urbanization. The fact is that everyone wants to get an education, which means they go to a large city to study in various educational institutions. Many people stay in the city afterwards, so its population grows. It is also a very important factor that people from the village go to the city in search of work and better living conditions. Therefore, the population of cities is constantly increasing and this process covers the entire planet.