Africa has a larger urban population than North America, reveals an international development study released on Monday. The 2007 edition of the International Institute for Environment and ...

Working with United Nations estimates that predict the world will be 51.3 percent urban by 2010, the researchers projected the May 23, 2007, transition day based on the average daily rural and ...

In this first map, we can see the size of the world in 1950. The rose-colored countries have urban populations greater than 75%, the yellow have 50% to 75%, the blue have 25% to 50%, and the green ...