What is World Cities Day?
The United Nations focuses on global urbanization on October 31st, World Cities Day, when the UN focuses on global urbanization. The United Nations addresses the challenges urbanization faces as well as promoting urbanization. Cities work on sustainable urbanization.
Urbanization refers to the increasing number of people who live in urban areas. This trend is a relatively recent development. The overwhelming majority of the world's population lived in rural areas at one time. Over 90% of the world's population lived in rural areas in 1800.. Many wealthy countries began to see a change during the 19th century. More and more people were moving to urban areas as a result of rising urban areas.
This pattern was especially true in the United States. By the year 2000, 80% of the population lived in urban areas. Cities account for half of the world's population on a global basis. The following are some of the world's most populated cities:: : Some of the world's most populated cities include::
- Tokyo – 37 million
