The highest-selling singles in Japan are ranked in the Oricon Singles Chart, which in 1988 was published in what was then called Oricon Weekly magazine. The data are compiled by Oricon based on each singles' physical sales. This list includes the singles that reached the number one place on that chart in 1988.

Oricon Weekly Singles Chart

Issue dateSongArtist(s)Ref.January 4"Glass no Jūdai"Hikaru GenjiJanuary 11January 18January 25"Kaze no Lonely Way"Kiyotaka SugiyamaFebruary 1"Stranger Tonight"Yoko OginomeFebruary 8"Al-Mauj"Akina NakamoriFebruary 15February 22"Kanpai"Tsuyoshi NagabuchiFebruary 29"You're My Only Shinin' Star"Miho NakayamaMarch 7""Yoko MinaminoMarch 14March 21""Hikaru GenjiMarch 28April 4April 11April 18April 25"Marrakech"Seiko MatsudaMay 2""Yui AsakaMay 9"Stardust Dream"Yoko OginomeMay 16"C-GIRL"Yui AsakaMay 23May 30"Tattoo"Akina NakamoriJune 6June 13"Fu-ji-tsu"Shizuka KudoJune 20June 27""Yoko MinaminoJuly 4""Hikaru GenjiJuly 11July 18""ShonentaiJuly 25"Mermaid"Miho NakayamaAugust 1"Angel"Kyosuke HimuroAugust 8August 15August 22August 29"Cecil"Yui AsakaSeptember 5"Daybreak"OtokogumiSeptember 12September 19""Seiko MatsudaSeptember 26"Daybreak"OtokogumiOctober 3"Mugon... Iroppoi"Shizuka KudoOctober 10October 17""Yoko MinaminoOctober 24""Hikaru GenjiOctober 31November 7""Tsuyoshi NagabuchiNovember 14November 21""ShonentaiNovember 28"Witches"Miho NakayamaDecember 5"Tonbo"Tsuyoshi NagabuchiDecember 12December 19December 26

See also 1988 in Japanese music

References Oricon No.1 Hits 500. Clubhouse (Japanese: クラブハウス). 1998. ISBN 9784906496136. vol 2 (1986~1994).