This is a list of number one singles on the Billboard Japan Hot 100 chart in Japan in 2015. The week's most popular songs in Japan, ranked by the Hanshin Corporation and based on radio airplay measured by Plantech and sales data as compiled by SoundScan Japan.
Chart history Issue dateSongArtist(s)Ref.January 12"Thank You Jan!"Kis-My-Ft2 January 19"Kaguya"News January 26"Uchōten"B'z February 2"Dead or Alive"KAT-TUN February 9"Guilty Love"2PM February 16"Zundoko Paradise"Johnny's West February 23"Kioku"Subaru Shibutani March 2"Karei naru Gyakushuu"SMAP March 9"Sakura"Arashi March 16"Green Flash"AKB48 March 23"Kiss Kiss Kiss"KAT-TUN March 30"Inochi wa Utsukushii"Nogizaka46 April 6"Kiss Tamashii"Kis-My-Ft2 April 13"Don't look back!"NMB48 April 20"Maji Love Revolutions"ST☆RISH April 27"Starting Over"Sandaime J Soul Brothers from Exile Tribe May 4"Hello, World!"Bump of Chicken May 11"Chau#"Hey! Say! JUMP May 18"Timeless"V6 May 25"Aozora no Shita, Kimi no Tonari"Arashi June 1"Bokutachi wa Tatakawanai"AKB48 June 8"Sugar Song & Bitter Step"Unison Square Garden June 15"The Strongly Strongly strongly"Kanjani Eight June 22"Red"B'z June 29"For You"BTS July 6"Chumuchumu"News July 13"Angelic Angel" μ's July 20"Summer Madness" Sandaime J Soul Brothers from Exile Tribe featuring Afrojack July 27"Bokutachi wa Hitotsu no Hikari" μ's August 3"Taiyō Nokku" Nogizaka46 August 10"Bari Hapi" Johnny's West August 17"Maemuki Scream!" Kanjani Eight August 24"Mae Nomeri" SKE48 August 31"Kimi ga Kureta Natsu" Leo Ieiri September 7"Halloween Night" AKB48 September 14"Ai o Sakebe" Arashi September 21"Otherside" SMAP September 28"Torisetsu" Nishino Kana October 5"SOS" Sekai no Owari October 12"Shin Takarajima" Sakanaction October 19"Must be now" NMB48 October 26"AAO" Kis-My-Ft2 November 2"Kimi Attraction" Hey! Say! JUMP November 9"Ima, Hanashitai Dareka ga Iru" Nogizaka46 November 16"Love Me Right〜romantic universe〜" ExoNovember 23"Saigo mo Yappari Kimi" Kis-My-Ft2 November 30"Christmas Song"Back Number December 7 December 14"Samurai Song"Kanjani Eight December 21"Kuchibiru ni Be My Baby"AKB48December 28"Colorful Eyes"Sexy Zone
References