The following is a list of Oricon number-one albums of 2021, which uses data from combined (physical, digital, and streaming) and physical sales.
Chart history Combined sales Issue dateAlbumArtist(s) January 4 O Album KinKi Kids January 11 This Is Arashi Arashi January 18 1ST SixTones January 25 Straight Outta Rhyme Anima Hypnosis Mic: Division Rap Battle February 1 Still Dreaming Tomorrow X Together February 8 Aster Colon February 15 Live Loud The Yellow Monkey February 22 Sekai no Owari 2010–2019 Sekai no Owari March 1 Loveholic NCT 127 March 8 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Dotsuitare Hompo vs Buster Bros!!! Hypnosis Mic: Division Rap Battle March 15 SZ10th Sexy Zone March 22 One Last Kiss Hikaru Utada March 29 Rainbow Johnny's West April 5 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Fling Posse vs Mad Trigger Crew Hypnosis Mic: Division Rap Battle April 12 The First Step: Treasure Effect Treasure April 19 Chōtokkyū ≠Me Iki ≠Me April 26 Walpurgis Aimer May 3 Be BTS May 10 Border: Carnival Enhypen May 17 May 24 Zenbu, Naisho. =Love May 31 Hot Sauce NCT Dream June 7 Demon Slayer: Kimetsu no Yaiba – Tanjiro Kamado Risshi-hen Original Soundtrack Various artists June 14 Playful Koichi Domoto June 21 The Chaos Chapter: Freeze Tomorrow X Together June 28 BTS, the Best BTS July 5 July 12 July 19 L∞ve Urashimasakatasen July 26 Butter BTS August 2 Re:Sense King & Prince August 9 Superstar Shinee August 16 Going to Destruction Bish August 23 Best of Kis-My-Ft2 Kis-My-Ft2 August 30 Editorial Official Hige Dandism September 6 Go to Funk Endrecheri September 13 Step V6 September 20 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Buster Bros!!! VS Matenro VS Fling Posse Hypnosis Mic: Division Rap Battle September 27 Gohan Misoshiru Nori Otsukemono Tamagoyaki feat. Umeboshi Keisuke Kuwata October 4 Sticker NCT 127 October 11 Snow Mania S1 Snow Man October 18 Freedom Only Glay October 25 Dimension: Dilemma Enhypen November 1 Attacca Seventeen November 8 Very6 Best V6 November 15 Attacca Seventeen November 22 Chaotic Wonderland Tomorrow X Together November 29 8beat Kanjani Eight December 6 U NiziU December 13 Outstanding HKT48 December 20 Friends III B'z December 27 Time Flies Nogizaka46
Physical sales Issue dateAlbumArtist(s) January 4 O Album KinKi Kids January 11 This Is Arashi Arashi January 18 1ST SixTones January 25 Straight Outta Rhyme Anima Hypnosis Mic: Division Rap Battle February 1 Still Dreaming Tomorrow X Together February 8 Aster Colon February 15 Live Loud The Yellow Monkey February 22 Sekai no Owari 2010–2019 Sekai no Owari March 1 Loveholic NCT 127 March 8 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Dotsuitare Hompo vs Buster Bros!!! Hypnosis Mic: Division Rap Battle March 15 SZ10th Sexy Zone March 22 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Bad Ass Temple vs Matenro Hypnosis Mic: Division Rap Battle March 29 Rainbow Johnny's West April 5 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Fling Posse vs Mad Trigger Crew Hypnosis Mic: Division Rap Battle April 12 The First Step: Treasure Effect Treasure April 19 Chōtokkyū ≠Me Iki ≠Me April 26 All Yours Astro May 3 Be BTS May 10 Border: Carnival Enhypen May 17 May 24 Zenbu, Naisho. =Love May 31 Hot Sauce NCT Dream June 7 Demon Slayer: Kimetsu no Yaiba – Tanjiro Kamado Risshi-hen Original Soundtrack Various artists June 14 Playful Koichi Domoto June 21 The Chaos Chapter: Freeze Tomorrow X Together June 28 BTS, the Best BTS July 5 July 12 July 19 L∞ve Urashimasakatasen July 26 Butter BTS August 2 Re:Sense King & Prince August 9 Superstar Shinee August 16 Going to Destruction Bish August 23 Best of Kis-My-Ft2 Kis-My-Ft2 August 30 Editorial Official Hige Dandism September 6 Go to Funk Endrecheri September 13 Step V6 September 20 Hypnosis Mic: Division Rap Battle – 2nd D.R.B: Buster Bros!!! VS Matenro VS Fling Posse Hypnosis Mic: Division Rap Battle September 27 Gohan Misoshiru Nori Otsukemono Tamagoyaki feat. Umeboshi Keisuke Kuwata October 4 Sticker NCT 127 October 11 Snow Mania S1 Snow Man October 18 Freedom Only Glay October 25 Dimension: Dilemma Enhypen November 1 Attacca Seventeen November 8 Very6 Best V6 November 15 Attacca Seventeen November 22 Chaotic Wonderland Tomorrow X Together November 29 8beat Kanjani Eight December 6 U NiziU December 13 Outstanding HKT48 December 20 Friends III B'z December 27 Time Flies Nogizaka46
See also List of Oricon number-one singles of 2021
References