Japan日本国 Nippon-koku or Nihon-koku Flag Imperial Seal Anthem: Kimigayo (君が代) Government Seal of Japan 五七桐 (Go-Shichi no Kiri?) Capital (and largest city) Tokyo (de facto) 35°41′N 139°46′E Official language(s) None Recognised regional languages Aynu itak, Ryukyuan languages, Eastern Japanese, Western Japanese, and several other Japanese dialects National language Japanese Ethnic groups 98.5% Japanese, 0.5% Korean, 0.4% Chinese, 0.6% other Demonym Japanese Government Unitary parliamentary democracy andconstitutional monarchy  – Emperor Akihito  – Prime […]