Here is the Japanese sales charts for manga from the tracking service Oricon. They are posted every Wednesday afternoon. Please, if anyone copies these from Anime News Network check them against Oricon's website. ANN leaves silly typos sometime. Anyone who can provide additional information from 2CH, please do!!
My format: title (current weeks sales/total sales)(magazine)(demographic)
Rankings 6/22 - 6/28
1. Ookiku Furikabutte volume 12 (301,945)(Afternoon)(seinen)
2. xxxholic volume 15 (258,048)(Young Magazine)(seinen)
3. Kuroshitsuji volume 7 (167,692)(GFantasy)(shonen?)
4. Minami - ke volume 6 (146,701)(Young Magazine)(seinen)
5. Billy Bat volume 1 (145,120)(Morning)(seinen)
6. Mobile Suit Gundam the Origin volume 19: Soloman Arc (118,494)(Gundam Ace)
7. Higurashi no Naku Koro ni Kai - Minagoroshihen volume 2 (110,950)(Gangan Wing)(shonen)
8. Higurashi no Naku Koro ni - Matsuri Bayashihen volume 2 (109,821)
9. Umineko no Naku Koro ni Kai Episode 1: Legend of the golden witch volume 3 (96,219)(Gangan Joker)(shonen)
10. Bamboo Blade volume 11 (93,688)(Young Gangan)(seinen)
11. Kyou, Koi wo Hajimemasu volume 6 (90,404)(Shojo Comic)
12. Skip Beat volume 22 (85,103/211,929)
13. Umineko no Naku Koro ni Kai Episode 2: Legend of the golden witch volume 1 (77,698)(GFantasy)(shonen?)
14. Neon Genesis Evangelion: Shinji Ikari Raising Project volume 8 (74,768)(Shonen Ace)
15. Gantz volume 26 (68,478/157,266)(Young Jump)(seinen)
16. Kekkaishi volume 25 (67,710/215,541)(Shonen Sunday)
17. Jyuushin Enbu - Hero Tales volume 4 (67,584)(Shonen Gangan)
18. Switch Girl!! volume 9 (59,386)(Margaret)(shojo)
19. One Piece volume 54 (58,266)(1,609,125)(Shonen Jump)
20. Major volume 72 (57,927/178,811)(Shonen Sunday)
21. Ahiru no Sora volume 24 (57,332/241,299)(Shonen Magazine)
22. Shachou Shima Kosaku volume 3 (52,822)(Morning)(seinen)
23. Daiya no A volume 16 (51,996/206,701)(Shonen Magazine)
24. Strobe Edge volume 6 (51,402)(Betsuma)(shojo)
25. Hajime no Ippo volume 88 (47,486/199,575)(Shonen Magazine)
26. Air Gear volume 25 (47,115/203,628)(Shonen Magazine)
27. Uchuu Kyoudai volume 6 (46,558)(Morning)(seinen)
28. Higurashi no Naku Koro Ni Kai Katari-Banashi-hen Comic Anthology EX volume 6 (43,528)
29. Suki Desu Suzuki-kun!! volume 3 (43,341)(Shojo Comic)
30. Higurashi no Naku Koro Ni Kai Katari-Banashi-hen Comic Anthology EX volume 7 (42,577)
Volume 1 of Billy Bat sold well, very glad to see it. Thank god there won't be more Higurashi volumes coming out for four months. What a pain to copy.
My format: title (current weeks sales/total sales)(magazine)(demographic)
Rankings 6/22 - 6/28
1. Ookiku Furikabutte volume 12 (301,945)(Afternoon)(seinen)
2. xxxholic volume 15 (258,048)(Young Magazine)(seinen)
3. Kuroshitsuji volume 7 (167,692)(GFantasy)(shonen?)
4. Minami - ke volume 6 (146,701)(Young Magazine)(seinen)
5. Billy Bat volume 1 (145,120)(Morning)(seinen)
6. Mobile Suit Gundam the Origin volume 19: Soloman Arc (118,494)(Gundam Ace)
7. Higurashi no Naku Koro ni Kai - Minagoroshihen volume 2 (110,950)(Gangan Wing)(shonen)
8. Higurashi no Naku Koro ni - Matsuri Bayashihen volume 2 (109,821)
9. Umineko no Naku Koro ni Kai Episode 1: Legend of the golden witch volume 3 (96,219)(Gangan Joker)(shonen)
10. Bamboo Blade volume 11 (93,688)(Young Gangan)(seinen)
11. Kyou, Koi wo Hajimemasu volume 6 (90,404)(Shojo Comic)
12. Skip Beat volume 22 (85,103/211,929)
13. Umineko no Naku Koro ni Kai Episode 2: Legend of the golden witch volume 1 (77,698)(GFantasy)(shonen?)
14. Neon Genesis Evangelion: Shinji Ikari Raising Project volume 8 (74,768)(Shonen Ace)
15. Gantz volume 26 (68,478/157,266)(Young Jump)(seinen)
16. Kekkaishi volume 25 (67,710/215,541)(Shonen Sunday)
17. Jyuushin Enbu - Hero Tales volume 4 (67,584)(Shonen Gangan)
18. Switch Girl!! volume 9 (59,386)(Margaret)(shojo)
19. One Piece volume 54 (58,266)(1,609,125)(Shonen Jump)
20. Major volume 72 (57,927/178,811)(Shonen Sunday)
21. Ahiru no Sora volume 24 (57,332/241,299)(Shonen Magazine)
22. Shachou Shima Kosaku volume 3 (52,822)(Morning)(seinen)
23. Daiya no A volume 16 (51,996/206,701)(Shonen Magazine)
24. Strobe Edge volume 6 (51,402)(Betsuma)(shojo)
25. Hajime no Ippo volume 88 (47,486/199,575)(Shonen Magazine)
26. Air Gear volume 25 (47,115/203,628)(Shonen Magazine)
27. Uchuu Kyoudai volume 6 (46,558)(Morning)(seinen)
28. Higurashi no Naku Koro Ni Kai Katari-Banashi-hen Comic Anthology EX volume 6 (43,528)
29. Suki Desu Suzuki-kun!! volume 3 (43,341)(Shojo Comic)
30. Higurashi no Naku Koro Ni Kai Katari-Banashi-hen Comic Anthology EX volume 7 (42,577)
Volume 1 of Billy Bat sold well, very glad to see it. Thank god there won't be more Higurashi volumes coming out for four months. What a pain to copy.