Japan: By city proper: 12 Tokyo, Yokohama, Osaka, Nagoya, Sapporo, Kobe, Kyoto,
Fukuoka, Kawasaki, Saitama, Hiroshima, Sendai For the past, Kitakyushu had over one million people until 2002. By metro area: 13 Tokyo, Osaka, Nagoya, Fukuoka, Sapporo, Sendai, Hiroshima, Okayama, Kumamoto, Shizuoka, Niigata, Hamamatsu, Kagoshima