Best-Selling Manga (1-50)
Manga
Number of sales and date that number was acquired from in notes for each. Some of them I have personally estimated a higher figure than the date says.
Kimetsu no Yaiba
Demon Slayer: Kimetsu no Yaiba

Manga, 23 vol, 2016
Me:-
Author:8
150 million (February 15th, 2021) + 35 million in sales in 2021 & 2022

Manga, 200 vol, 1976
Me:-
Author:-
156.5 million (June 20th, 2016)
JoJo no Kimyou na Bouken Part 1: Phantom Blood
JoJo's Bizarre Adventure Part 1: Phantom Blood

Manga, 5 vol, 1986
Me:-
Author:8
120 million (February 4th, 2022)
Shingeki no Kyojin
Attack on Titan

Manga, 34 vol, 2009
Me:-
Author:9
110 million (September 6th, 2022)
Hokuto no Ken
Fist of the North Star

Manga, 27 vol, 1983
Me:-
Author:8
100 million (January 23rd, 2021)
Kindaichi Shounen no Jikenbo: File Series
The Kindaichi Case Files

Manga, 27 vol, 1992
Me:-
Author:-
100 million (June 29th, 2019)
Boku no Hero Academia
My Hero Academia

Manga, ? vol, 2014
Me:-
Author:8
85 million (February 1st, 2023)

Manga, 63 vol, 2006
Me:-
Author:-
72 million (February 28th, 2020) + 2 million Fairy Tail 100 Year Quest
Rurouni Kenshin: Meiji Kenkaku Romantan
Rurouni Kenshin: Meiji Swordsman Romantic Story

Manga, 28 vol, 1994
Me:-
Author:-
72 million (January 6th, 2020)
Rokudenashi Blues
Good-For-Nothing Blues

Manga, 42 vol, 1988
Me:-
Author:-
60 million (August 1st, 2013)
Tennis no Ouji-sama
Prince of Tennis

Manga, 42 vol, 1999
Me:-
Author:-
60 million (November 4th, 2019)
Devilman
Devilman: The Classic Collection

Manga, 5 vol, 1972
Me:-
Author:8
50 million (March 16th, 2017)