Japan

{| class="wikitable sortable" ! Season !! Country !! Artist(s) !! Song !! Result !! Jury
 * Season 4 || Flag_of_Japan.svg Japan || World Order || "Have A Nice Day" || 30 ||Super Catman
 * Season 10 || Flag_of_Japan.svg Japan || Babymetal || "Shanti Shanti Shanti" || 6 ||Maki
 * Season 11 || Flag_of_Japan.svg Japan || Man With A Mission || "Seven Deadly Sins" || 32 ||Questa
 * Season 15 || Flag_of_Japan.svg Japan || King Gnu ||"Teenager Forever" || 49 ||Kaitlin
 * Season 16 ||Flag_of_Japan.svg Japan || Aimer || "Insane Dream" || 14 ||Avkvi
 * Season 18 ||Flag_of_Japan.svg Japan || Shells || "Jailbird" || 13 ||Nina
 * Season 19 ||bgcolor="#fa8072"|Flag_of_Japan.svg Japan || bgcolor="#fa8072"|Strawberry Song Orchestra ||bgcolor="#fa8072"| "Setsudan Dahlia" ||bgcolor="#fa8072"| 50 ||bgcolor="#fa8072"|Toypa Kat
 * Season 21 || Flag_of_Japan.svg Japan || Conan Grey || "Maniac" ||33 || Heypey
 * Season 22 || Flag_of_Japan.svg Japan || Joji || "Run" || 39 || Swedensour
 * Season 23 || Flag_of_Japan.svg Japan || Akiko Shikata || "Akatsuki" || ||
 * Season 18 ||Flag_of_Japan.svg Japan || Shells || "Jailbird" || 13 ||Nina
 * Season 19 ||bgcolor="#fa8072"|Flag_of_Japan.svg Japan || bgcolor="#fa8072"|Strawberry Song Orchestra ||bgcolor="#fa8072"| "Setsudan Dahlia" ||bgcolor="#fa8072"| 50 ||bgcolor="#fa8072"|Toypa Kat
 * Season 21 || Flag_of_Japan.svg Japan || Conan Grey || "Maniac" ||33 || Heypey
 * Season 22 || Flag_of_Japan.svg Japan || Joji || "Run" || 39 || Swedensour
 * Season 23 || Flag_of_Japan.svg Japan || Akiko Shikata || "Akatsuki" || ||
 * Season 21 || Flag_of_Japan.svg Japan || Conan Grey || "Maniac" ||33 || Heypey
 * Season 22 || Flag_of_Japan.svg Japan || Joji || "Run" || 39 || Swedensour
 * Season 23 || Flag_of_Japan.svg Japan || Akiko Shikata || "Akatsuki" || ||
 * Season 23 || Flag_of_Japan.svg Japan || Akiko Shikata || "Akatsuki" || ||
 * Season 23 || Flag_of_Japan.svg Japan || Akiko Shikata || "Akatsuki" || ||