January
Jan. 4 – Jan. 10, 2021
Jan. 11 – Jan. 17, 2021
Jan. 18 – Jan. 24, 2021
Jan. 25 – Jan. 31, 2021

February
Feb. 1 – Feb. 7, 2021
Feb. 8 – Feb. 14, 2021
Feb. 15 – Feb. 21, 2021
Feb. 22 – Feb. 28, 2021

March
Mar. 1 – Mar. 7, 2021
Mar. 8 – Mar. 14, 2021
Mar. 15 – Mar. 21, 2021
Mar. 22 – Mar. 28, 2021
Mar. 29 – Apr. 4, 2021

April
Apr. 5 – Apr. 11, 2021
Apr. 12 – Apr. 18, 2021
Apr. 19 – Apr. 25, 2021
Apr. 26 – May 2, 2021

May
May 3 – May 9, 2021
May 10 – May 16, 2021
May 17 – May 23, 2021
Half-Year
May 24 – May 30, 2021
May 31 – June 6, 2021

June
Jun. 7 – Jun. 13, 2021
Jun. 14 – Jun. 20, 2021
Jun. 21 – Jun. 27, 2021
Jun. 28 – Jul. 4, 2021

July
Jul. 5 – Jul. 11, 2021
Jul. 12 – Jul. 18, 2021
Jul. 19 – Jul. 25, 2021
Jul. 26 – Aug.1, 2021

August
Aug. 2 – Aug. 8, 2021
Aug. 9 – Aug. 15, 2021
Aug. 16 – Aug. 22, 2021
Aug. 23 – Aug. 29, 2021
Aug. 30 – Sep. 5, 2021

September
Sep. 6 – Sep. 12, 2021
Sep. 13 – Sep. 19, 2021
Sep. 20 – Sep. 26, 2021
Sep. 27 – Oct. 3, 2021

October
Oct. 4 – Oct. 10, 2021
Oct. 11 – Oct. 17, 2021
Oct. 18 – Oct. 24, 2021
Oct. 25 – Oct. 31, 2021

November
Nov. 1 – Nov. 7, 2021
Nov. 8 – Nov. 14, 2021
Nov. 15 – Nov. 21, 2021
Full-Year
Nov. 22 – Nov. 28, 2021
Nov. 29 – Dec. 5, 2021

December
Dec. 6 – Dec. 12, 2021
Dec. 13 – Dec. 19, 2021
Dec. 20 – Dec. 26, 2021
Dec. 27 – Jan. 2, 2022

January
Jan. 4 – Jan. 10, 2021
Jan. 11 – Jan. 17, 2021
Jan. 18 – Jan. 24, 2021
Jan. 25 – Jan. 31, 2021

February
Feb. 1 – Feb. 7, 2021
Feb. 8 – Feb. 14, 2021
Feb. 15 – Feb. 21, 2021
Feb. 22 – Feb. 28, 2021

March
Mar. 1 – Mar. 7, 2021
Mar. 8 – Mar. 14, 2021
Mar. 15 – Mar. 21, 2021
Mar. 22 – Mar. 28, 2021
Mar. 29 – Apr. 4, 2021

April
Apr. 5 – Apr. 11, 2021
Apr. 12 – Apr. 18, 2021
Apr. 19 – Apr. 25, 2021
Apr. 26 – May 2, 2021

May
May 3 – May 9, 2021
May 10 – May 16, 2021
May 17 – May 23, 2021
May 24 – May 30, 2021
May 31 – Jun. 6, 2021

June
Jun. 7 – Jun. 13, 2021
Jun. 14 – Jun. 20, 2021
Jun. 21 – Jun. 27, 2021
Jun. 28 – Jul. 4, 2021

July
Jul. 5 – Jul. 11, 2021
Jul. 12 – Jul. 18, 2021
Jul. 19 – Jul. 25, 2021
Jul. 26 – Aug. 1, 2021

August
Aug. 2 – Aug. 8, 2021
Aug. 9 – Aug. 15, 2021
Aug. 16 – Aug. 22, 2021
Aug. 23 – Aug. 29, 2021
Aug. 30 – Sep. 5, 2021

September
Sep. 6 – Sep. 12, 2021
Sep. 13 – Sep. 19, 2021
Sep. 20 – Sep. 26, 2021
Sep. 27 – Oct. 3, 2021

October
Oct. 4 – Oct. 10, 2021
Oct. 11 – Oct. 17, 2021
Oct. 18 – Oct. 24, 2021
Oct. 25 – Oct. 31, 2021

November
Nov. 1 – Nov. 7, 2021
Nov. 8 – Nov. 14, 2021
Nov. 15 – Nov. 21, 2021
Nov. 22 – Nov. 28, 2021
Nov. 29 – Dec. 5, 2021

December
Dec. 6 – Dec. 12, 2021
Dec. 13 – Dec. 19, 2021
Dec. 20 – Dec. 26, 2021
Dec. 27 – Jan. 2, 2022 (TSUTAYA)
Dec. 27 – Jan. 2, 2022 (COMIC ZIN)

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Note that all sales are for titles or releases that made onto the Top 30 Oricon Manga sales charts.