I've posted this in pantip but think I'll post it here too, since our beloved boys have made it to the top again :) congrats!!
Singles
1. Troublemaker - Arashi (688,194)
2. Monster - Arashi (654,287)
3. Ponytail to Shushu - AKB48 (577,016)
4. Love yourself ~Kimi ga Kiraina Kimi ga Suki~ - KAT-TUN (439,736)
5. Sakura no Shiori - AKB48 (381,210)
6. BREAK OUT! - Tohoshinki (289,412)
7. Going! - KAT-TUN (269,151)
8. Hatsukoi - Fukuyama Masaharu (266,108)
9. Hitomi no Screen - Hey! Say! JUMP (250,206)
10. Mata Kimi ni Koi Shiteru/Asia no Kaizoku - Sakamoto Fuyumi (244,643)
11. Sakura Girl - NEWS (232,752)
12. Toki wo Tomete - Tohoshinki (224,218)
13. XIAH (Intoxication) - XIAH Junsu (217,766)
14. Shamisen Tabigarasu - Hikawa Kiyoshi (189,597)
15. Onara Hazukashikunai yo/Pirameki Taisou - Hannya, Fruit Punch (163,799)
16. HAPPY - BUMP OF CHICKEN (154,879)
17. Mahou no Ryouri ~Kimi kara Kimi e~ - BUMP OF CHICKEN (148,961)
18. GIFT ~Midori~ (Yuki wo Kudasai/One day in winter/Snow White) - Kanjani8 (136,508)
19. GIFT ~Shiro~ (Fuyukoi/Kimi no Uta wo Utau) - Kanjani8 (136,003)
20. GIFT ~Aka~ (I Wish/Minus 100-do no Koi) - Kanjani8 (133,978)
21. GO! GO! MANIAC - K-ON!! Houkago Tea Time (127,335)
22. Lion - Yusuke (120,510)
23. Yuuki 100% - NYC (119,201)
24. You were.../BALLAD - Hamasaki Ayumi (118,249)
25. GLORIA - YUI (113,723)
26. Listen!! - K-ON!! Houkago Tea Time (113,481)
27. My Soul, Your Beats!/Brave Song - Lia/Tada Aoi (111,489)
28. BLESS - L'Arc~en~Ciel (109,456)
29. Fushizenna Girl/Natural ni Koi Shite - Perfume (104,187)
30. Arigatou - Ikimono Gakari (100,484)
31. PHANTOM MINDS - Mizuki Nana (93,759)
32. Bakuchi Dancer - DOES (85,315)
33. to Mother - YUI (81,532)
34. Sakurae/My Life - Yuzu (76,056)
35. Aitakute Aitakute - Nishino Kana (75,964)
36. Modorenai Ashita - aiko (74,922)
37. Matsushima Kikou - Mizumori Kaori (74,103)
38. Silent Bible - Mizuki Nana (72,062)
39. Rain - SID (69,231)
40. Best Friend - Nishino Kana (68,482)
41. Mukaiawase - aiko (68,078)
42. SOLANIN - ASIAN KUNG-FU GENERATION (64,331)
43. Crow Song - Girls Dead Monster (63,470)
44. GOLD - UVERworld (61,094)
45. FOREVER LOVE - Shimizu Shota x Kato Miliyah (60,101)
46. Aitai Riyuu/Dream After Dream ~Yume kara Sameta Yume - AAA (58,724)
47. LEVEL5-judgelight - fripSide (58,060)
48. Fuufu Isshou - Kitajima Saburo (56,765)
49. Thousand Enemies - Girls Dead Monster (56,484)
50. Hitomi no Oku wo Nozokasete - Porno Graffiti (56,469)
Albums
1. PASTAll the BEST! 1999-2009 - Arashi (271,408)
15. ONE PIECE MEMORIAL BEST - Various Artists (220,265)
16. BABY - aiko (204,855)
17. Recital - Hilchryme (198,140)
18. Sports - Tokyo Jihen (175,500)
19. Every Best Single ~COMPLETE~ - Every Little Thing (173,351)
20. Ima made no A-men, B-men Desuto!? - GReeeeN (168,180)
21. Love Songs ~Mata Kimi ni Koi Shiteru~ - Sakamoto Fuyumi (167,116)
22. Ureshikutte Dakiauyo - YUKI (165,815)
23. What's flumpool!? - flumpool (159,324)
24. Whistle - HY (143,850)
25. Olympos - LANDS (142,745)
26 JUST BALLADE - MISIA (142,493)
27. Yume Yaburete (I Dreamed a Dream) - Susan Boyle (136,500)
28. Michael Jackson THIS IS IT - Michael Jackson (133,983)
29. TRIGGER - Porno Graffiti (128,398)
30. ayaka's History 2006-2009 - ayaka (126,117)
31. The Remix - Lady Gaga (123,920)
32. JUJU - JUJU (119,300)
33. QUADRINITY ~MEMBER'S BEST SELECTIONS~ - L'Arc~en~Ciel (116,871)
34. LAST - UVERworld (115,109)
35. BELIEVE - Orianthi (114,864)
36. Journey - Shimizu Shota (114,781)
37. The Element of Freedom - Alicia Keys (108,782)
38. King of Pop Japan Edition - Michael Jackson (106,890)
39. Noriyuki Makihara 20th Anniversary Best LIFE - Makihara Noriyuki (95,056)
40. Nodame Cantabile The Final Score (93,356)
41. NEXT FUTURE - GIRL NEXT DOOR (91,138)
42. Fearless - Taylor Swift (89,926)
43. Kachoufuugetsu - Remioromen (88,620)
44. Noriyuki Makihara 20th Anniversary Best LOVE - Makihara Noriyuki (88,040)
45. Animal - KE$HA (84,074)
46. TegoMass no Ai - TegoMass (83,983)
47. READY? - V6 (80,017)
48. ALL TIME SINGLES ~SUPER PREMIUM BEST~ - THE BLUE HEARTS (74,722)
49. Watashi no Kakeratachi - Uemura Kana (70,904)
50. Neo SOUND BEST - UVERworld (70,663)
Source :
Oricon