11. Japan
Percent of urban population: 93
Compared to other countries on this list, urbanization in Japan started relatively late, in the 1940s. However, Japan’s capital city, Tokyo, which is the home to 37.8 people, is the largest urban area in the world today. Between 1955 and 2000 more than 20 million people came to live in Tokyo, which represents the largest surge of people into any city in the world. The greatest percent of new residents settled in suburbs, and today 75 percent of the Tokyo’s population lives in suburban areas.