# List of Oricon number-one albums of 2020

The following is a list of Oricon number-one albums of 2020, which uses data from combined (physical, digital, and streaming) and physical sales.

## Chart history
### Combined sales

| Issue date | Album | Artist(s) |
| January 6 | Buster Bros!!!: Before the 2nd D.R.B | Buster Bros!!! |
| January 13 | 20200101 | Shingo Katori |
| January 20 | Go with the Flow | Takuya Kimura |
| January 27 | Ceremony | King Gnu |
| February 3 | Ceremony | King Gnu |
| February 10 | Mad Trigger Crew: Before the 2nd D.R.B | Mad Trigger Crew |
| February 17 | Pop × Step!? | Sexy Zone |
| February 24 | Bright New World | Little Glee Monster |
| March 2 | AAA 15th Anniversary All Time Best: Thanx AAA Lot | AAA |
| March 9 | Map of the Soul: 7 | BTS |
| March 16 | Story | NEWS |
| March 23 | Review II: Best of Glay | Glay |
| March 30 | W Trouble | Johnny's West |
| April 6 | To-y2 | Kis-My-Ft2 |
| April 13 | Man with a "B-Sides & Covers" Mission | Man with a Mission |
| April 20 | Your Story | Juju |
| April 27 | Maximum Huavo | Inaba/Salas |
| May 4 | Our Best | Jin Akanishi |
| May 11 | Suck My World | The Oral Cigarettes |
| May 18 | Your Story | Juju |
| May 25 | Synesthesia | Rain Drops |
| June 1 | The Dream Chapter: Eternity | TXT |
| June 8 | BanG Dream! Girls Band Party! Cover Collection Vol.4 | Various artists |
| June 15 | Eyes | Milet |
| June 22 | More & More | Twice |
| June 29 | Love Faders | Endrecheri |
| July 6 | Heng:garæ | Seventeen |
| July 13 | Make You Happy | NiziU |
| July 20 | 5 | Mrs. Green Apple |
| July 27 | Map of the Soul: 7 – The Journey | BTS |
| August 3 | Letters | Bish |
| August 10 | Tōsaku | Yorushika |
| August 17 | Stray Sheep | Kenshi Yonezu |
| August 24 | Stray Sheep | Kenshi Yonezu |
| August 31 | Stray Sheep | Kenshi Yonezu |
| September 7 | Stray Sheep | Kenshi Yonezu |
| September 14 | L& | King & Prince |
| September 21 | 24H | Seventeen |
| September 28 | #Twice3 | Twice |
| October 5 | Hinatazaka | Hinatazaka46 |
| October 12 | You Need the Tank-Top | Yabai T-Shirts Yasan |
| October 19 | Eien Yori Nagai Isshun: Ano Koro, Tashika ni Sonzaishita Watashitachi | Keyakizaka46 |
| October 26 | Leo-Nine | LiSA |
| November 2 | Twelve | Iz*One |
| November 9 | Minisode1: Blue Hour | TXT |
| November 16 | This Is Arashi | Arashi |
| November 23 | Strawberry Prince | Strawberry Prince |
| November 30 | Romance | Hiroji Miyamoto |
| December 7 | Be | BTS |
| December 14 | Soundtracks | Mr. Children |
| December 21 | Akira | Masaharu Fukuyama |
| December 28 | Fab! -Music Speaks.- | Hey! Say! JUMP |

### Physical sales

| Issue date | Album | Artist(s) |
| January 6 | Buster Bros!!!: Before the 2nd D.R.B | Buster Bros!!! |
| January 13 | 20200101 | Shingo Katori |
| January 20 | Go with the Flow | Takuya Kimura |
| January 27 | Ceremony | King Gnu |
| February 3 | The Dream | NCT Dream |
| February 10 | Mad Trigger Crew: Before the 2nd D.R.B | Mad Trigger Crew |
| February 17 | Pop × Step!? | Sexy Zone |
| February 24 | Bright New World | Little Glee Monster |
| March 2 | AAA 15th Anniversary All Time Best: Thanx AAA Lot | AAA |
| March 9 | Map of the Soul: 7 | BTS |
| March 16 | Story | NEWS |
| March 23 | Review II: Best of Glay | Glay |
| March 30 | W Trouble | Johnny's West |
| April 6 | To-y2 | Kis-My-Ft2 |
| April 13 | Man with a "B-Sides & Covers" Mission | Man with a Mission |
| April 20 | Your Story | Juju |
| April 27 | Maximum Huavo | Inaba/Salas |
| May 4 | Our Best | Jin Akanishi |
| May 11 | Suck My World | The Oral Cigarettes |
| May 18 | Your Story | Juju |
| May 25 | Man with a "Remix" Mission | Man with a Mission |
| June 1 | The Dream Chapter: Eternity | TXT |
| June 8 | BanG Dream! Girls Band Party! Cover Collection Vol.4 | Various artists |
| June 15 | Eyes | Milet |
| June 22 | More & More | Twice |
| June 29 | Love Faders | Endrecheri |
| July 6 | Heng:garæ | Seventeen |
| July 13 | Heng:garæ | Seventeen |
| July 20 | For Live: Bish Best | Bish |
| July 27 | Map of the Soul: 7 – The Journey | BTS |
| August 3 | Letters | Bish |
| August 10 | Love Covers II | Jaejoong |
| August 17 | Stray Sheep | Kenshi Yonezu |
| August 24 | Stray Sheep | Kenshi Yonezu |
| August 31 | Stray Sheep | Kenshi Yonezu |
| September 7 | Stray Sheep | Kenshi Yonezu |
| September 14 | L& | King & Prince |
| September 21 | 24H | Seventeen |
| September 28 | #Twice3 | Twice |
| October 5 | Hinatazaka | Hinatazaka46 |
| October 12 | You Need the Tank-Top | Yabai T-Shirts Yasan |
| October 19 | Eien Yori Nagai Isshun: Ano Koro, Tashika ni Sonzaishita Watashitachi | Keyakizaka46 |
| October 26 | Leo-Nine | LiSA |
| November 2 | Twelve | Iz*One |
| November 9 | Minisode1: Blue Hour | TXT |
| November 16 | This Is Arashi | Arashi |
| November 23 | Strawberry Prince | Strawberry Prince |
| November 30 | Romance | Hiroji Miyamoto |
| December 7 | Be | BTS |
| December 14 | Soundtracks | Mr. Children |
| December 21 | Akira | Masaharu Fukuyama |
| December 28 | Fab! -Music Speaks.- | Hey! Say! JUMP |