The highest-selling singles in Japan are ranked in the Oricon Weekly Chart, which is published by Oricon Style magazine. The data are compiled by Oricon based on each singles' weekly physical sales. In 2010 25 singles reached number-one.
Chart history Issue DateSinglesArtist(s)Reference(s)January 4"Gift (White)"Kanjani EightJanuary 18"You Were.../Ballad"Ayumi HamasakiJanuary 25"Phantom Minds"Nana MizukiFebruary 1"Gloria"YuiFebruary 8"Break Out!"TVXQFebruary 15AikoFebruary 22"Love Yourself (Kimi ga Kirai na Kimi ga Suki)"KAT-TUNMarch 1"Sakura no Shiori"AKB48March 8"Hitomi no Screen"Hey! Say! JUMPMarch 15"Troublemaker"ArashiMarch 22YusukeMarch 29Watarirouka HashiritaiApril 5"Toki o Tomete"TVXQApril 12NEWSApril 19"Yūki 100%"NYCApril 26"Happy"Bump of ChickenMay 3"Mahō no Ryōri (Kimi Kara Kimi e)"May 10"Go! Go! Maniac"Ho-kago Tea TimeMay 17"Aitai Riyū/Dream After Dream (Yume Kara Sameta Yume)"AAAMay 24"Going!"KAT-TUNMay 31"Monster"ArashiJune 7"Ponytail to Chouchou"AKB48June 14"To Mother"YuiJune 21"Ring a Ding Dong"Kaela KimuraJune 28"Haruka"TokioJuly 5"Okay"Koshi InabaJuly 12"Wonderful World!!"Kanjani EightJuly 19"To Be Free"ArashiJuly 26"Moon/Blossom"Ayumi HamasakiAugust 2Team Dragon From AKB48August 9"One in a Million"Tomohisa YamashitaAugust 16"This Is Love"SMAPAugust 23"Hotaru/Shōnen"Masaharu FukuyamaAugust 30"Heavy Rotation"AKB48September 6"Life (Me no Mae no Mukou e)"Kanjani EightSeptember 13"Only Dreaming/Catch"V6September 20"Love Rainbow"ArashiSeptember 27ExileOctober 4"Crossroad"Ayumi HamasakiOctober 11"L"October 18"Dear Snow"ArashiOctober 25Bump of ChickenNovember 1NYCNovember 8"Beginner"AKB48November 15"Fighting Man"NEWSNovember 22"Hatenai Sora"ArashiNovember 29"Change Ur World"KAT-TUNDecember 6Tackey & TsubasaDecember 13KinKi KidsDecember 20"Chance no Junban"AKB48December 27"Arigatō (Sekai no Doko ni Ite mo)"Hey! Say! JUMP
References