Here is the weekly manga sales ranking for December 28th - January 10th. (two-week total)

rank/ this week's number of copies sold/ total copies sold/ title & volume number
*1, 799,895 *,799,895 Naruto vol.49
*2, 311,062 *,311,062 Gintama vol.32
*3, 285,170 *,773,616 Hunter x Hunter vol.27
*4, 259,867 *,259,867 Bakuman vol.6
*5, 226,720 *,226,720 New Prince of Tennis vol.2
*6, 217,210 *,217,210 Natsume Yuujinchou vol.9
*7, 191,114 1,077,249 Fullmetal Alchemist vol.24
*8, 140,768 *,206,936 Initial D vol.40
*9, 118,338 *,419,468 Ookiku Furikabutte vol.13
10, 114,003 *,395,592 xxxHOLiC vol.16

11, 105,802 *,181,821 Mei-chan no Shitsuji vol.11
12, 102,008 *,102,008 Sket Dance vol.11
13, *97,160 *,*97,160 Kuroko no Basket vol.5
14, *91,995 *,*91,995 Jin vol.17
15, *89,581 *,*89,581 Pyuu to Fuku! Jaguar vol.18
16, *76,519 *,156,068 Suzumiya Haruhi-chan no Yuutsu vol.4
17, *75,796 *,*75,796 Tomehane! vol.6
18, *70,554 1,994,952 One Piece vol.56
19, *67,300 *,*67,300 Psyren vol.9
20, *65,542 *,*65,542 Akagami no Shirayuki Hime vol.4

21, *63,707 *,*86,358 Nabari no Ou vol.12
22, *62,520 *,127,107 Bokutachi wa Shitte Shimatta vol.8
23, *60,472 *,*60,472 World Embryo vol.6
24, *60,164 1,102,395 Nodame Cantabile vol.23
25, *57,580 *,123,312 Sekirei vol.9
26, *52,729 *,111,701 Suki desu Suzuki-kun!! vol.6
27, *50,637 *,*50,637 Bozu Love!!!
28, *50,008 *,*72,509 Oyasumi Punpun vol.6
29, *48,432 *,259,540 Kekkaishi vol.27
30, *48,097 *,206,854 Major vol.74

Source: Oricon Manga Ranking
Japan's Weekly Manga Ranking for Dec 21 - 27

Weekly Light Novel Ranking for Dec 28 - Jan 10
*1, 59,671 100,699 Baka to Test to Shoukanjuu vol.7
*2, 49,971 *49,971 Boku no Imoto ga Konnani Kawaii Wakeganai vol.5
*3, 40,786 *53,921 Ushiro wa Ma no Tsuku Ishi no Kabe
*4, 30,661 *39,829 Shounen Onmyouji vol.28
*5, 27,353 *27,353 Ladies versus Butlers! vol.10
*6, 23,987 *74,386 Uchi no 3 Shimai vol.11

Source: Oricon Novel Ranking