Population
Japan's population is currently 127.1 million and it's world rank is 11.
Population Breakdown
Ethnicites
Japan's population is 98.5% Japanese, 0.5% Korean, 0.4% Chinese, and 0.6% other. The Ministry of Justice in Japan combines ethnicity with nationality so theres no official data on the ethnic breakdown on the people of Japan. The Ainu is an aboriginal ethnic Japanese tribe that is native to Japan and makes up a small portion of the population.
Population of Major Cities
Japan's largest major cities are Tokyo, Osaka, Yokohama, Sapporo, and Nagoya.