According to the statistics of the United Nations in 2007, the total area of the Japanese capital circle is 2 162 square kilometers, and the population is 36.7 million (Beijing 16808 square kilometers, and the population is 2 1.52 million). It is the largest urban agglomeration in the world, with a population density of 4684 people/km. In 2008, the total GDP (international exchange rate) of Japanese metropolitan area reached 1.9 trillion US dollars, ranking first in the major metropolitan areas in the world. If Tokyo Metropolitan Area is regarded as a country, its economic scale is second only to the United States, Japan, China, Germany, France, Britain and Italy, while the total of Canada is only 65,438+.