Major cities - population: TOKYO (capital) 38.001 million; Osaka-Kobe 20.238 million; Nagoya 9.406 million; Kitakyushu-Fukuoka 5.51 million; Shizuoka-Hamamatsu 3.369 million; Sapporo 2.571 million (2015)
Definition: This entry provides the population of the capital and up to five major cities defined as urban agglomerations with populations of at least 750,000 people. An urban agglomeration is defined as comprising the city or town proper and also the suburban fringe or thickly settled territory lying outside of, but adjacent to, the boundaries of the city. For smaller countries, lacking urban centers of 750,000 or more, only the population of the capital is presented.
Source: CIA World Factbook - This page was last updated on January 20, 2018