List of number-one digital singles of 2010 (Japan)

This is a list of songs that reached #1 on the RIAJ Digital Track Chart chart in Japan in 2010. The highest-selling digital singles in Japan are published by Recording Industry Association of Japan. PC downloads and ringtone downloads are not eligible for the chart, only cellphone downloads (Chaku-uta Full) count for the chart.

The chart week runs from Wednesday to Tuesday. The final week of 2009, starting December 29, was merged with the following week (12/30-1/5) due to New Year's celebrations (in a similar manner to Oricon).

Chart history
Issue date Song Artist(s) Reference(s)
January 5 "Hatsukoi" Masaharu Fukuyama [1]
January 12 "Butterfly" Kaela Kimura [2]
January 19 "Always" Mika Nakashima [3]
January 26 [4]
February 2 "Butterfly" Kaela Kimura [5]
February 9 "Forever Love" Shota Shimizu x Miliyah Kato [6]
February 16 [7]
February 23 "Best Friend" Kana Nishino [8]
March 2 [9]
March 9 [10]
March 16 "Lion" Yusuke [11]
March 23 "Sakura" Ketsumeishi [12]
March 30 "Bye Bye" Miliyah Kato [13]
April 6 "Mata Kimi ni Koi Shiteru" Fuyumi Sakamoto [14]
April 13 [15]
April 20 "Daijōbu" Hilcrhyme [16]
April 27 [17]
May 4 "Tsubomi feat. Kusuo" lecca [18]
May 11 "Daijōbu" Hilcrhyme [19]
May 18 "Aitakute Aitakute" Kana Nishino [20]
May 25 [21]
June 1 "Loose Leaf" Hilcrhyme [22]
June 8 [23]
June 15 "Ring a Ding Dong" Kaela Kimura [24]
June 22 "Love Rain (Koi no Ame)" Toshinobu Kubota [25]
June 29 "Hello, Again (Mukashi Kara Aru Basho)" Juju [26]
July 6 "Sunshine Girl" Moumoon [27]
July 13 "Lollipop" Kumi Koda [28]
July 20 "Moon" Ayumi Hamasaki [29]
July 27 "Ofutari Summer" Ketsumeishi [30]
August 3 "If" Kana Nishino [31]
August 17 [32]
August 24 "Heavy Rotation" AKB48 [33]
August 31 [34]
September 7 "if" Kana Nishino [35]
September 14 "Motto Tsuyoku" Exile [36]
September 21 "Suki de, Suki de, Suki de." Kumi Koda [37]
September 28 "Motto Tsuyoku" Exile [38]
October 5 [39]
October 12 "I Wish for You" [40]
October 19 "One Day" The Rootless [41]
October 26 "Gee" Girls' Generation [42]
November 2 "Kimi tte" Kana Nishino [43]
November 9 [44]
November 16 [45]
November 23 "Kono Yoru o Tomete yo" Juju [46]
November 30 "Ryūsei" Kobukuro [47]
December 7 "Kono Yoru o Tomete yo" Juju [48]
December 14 [49]
December 21 "Can't Wait 'Til Christmas" Hikaru Utada [50]

See also

References
  1. "RIAJ Digital Track Chart: Chart issue January 5, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 8, 2011. Retrieved 2010-01-08.
  2. "RIAJ Digital Track Chart: Chart issue January 12, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on April 18, 2015. Retrieved 2010-01-16.
  3. "RIAJ Digital Track Chart: Chart issue January 19, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 8, 2011. Retrieved 2010-01-23.
  4. "RIAJ Digital Track Chart: Chart issue January 26, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 8, 2011. Retrieved 2010-02-01.
  5. "RIAJ Digital Track Chart: Chart issue February 2, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on September 29, 2014. Retrieved 2010-02-06.
  6. "RIAJ Digital Track Chart: Chart issue February 9, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 8, 2011. Retrieved 2010-02-12.
  7. "RIAJ Digital Track Chart: Chart issue February 16, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 8, 2011. Retrieved 2010-02-19.
  8. "RIAJ Digital Track Chart: Chart issue February 23, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on February 26, 2012. Retrieved 2010-03-05.
  9. "RIAJ Digital Track Chart: Chart issue March 2, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2010. Retrieved 2010-03-05.
  10. "RIAJ Digital Track Chart: Chart issue March 9, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on September 29, 2014. Retrieved 2010-03-12.
  11. "RIAJ Digital Track Chart: Chart issue March 16, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on December 28, 2014. Retrieved 2010-04-18.
  12. "RIAJ Digital Track Chart: Chart issue March 23, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-04-18.
  13. "RIAJ Digital Track Chart: Chart issue March 30, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-04-18.
  14. "RIAJ Digital Track Chart: Chart issue April 6, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on September 29, 2014. Retrieved 2010-04-18.
  15. "RIAJ Digital Track Chart: Chart issue April 13, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on August 21, 2014. Retrieved 2010-04-18.
  16. "RIAJ Digital Track Chart: Chart issue April 20, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-04-23.
  17. "RIAJ Digital Track Chart: Chart issue April 27, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-05-02.
  18. "RIAJ Digital Track Chart: Chart issue May 4, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-05-07.
  19. "RIAJ Digital Track Chart: Chart issue May 11, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on January 17, 2015. Retrieved 2010-05-14.
  20. "RIAJ Digital Track Chart: Chart issue May 18, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-05-21.
  21. "RIAJ Digital Track Chart: Chart issue May 25, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 10, 2014. Retrieved 2010-06-01.
  22. "RIAJ Digital Track Chart: Chart issue June 1, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-06-04.
  23. "RIAJ Digital Track Chart: Chart issue June 8, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-06-11.
  24. "RIAJ Digital Track Chart: Chart issue June 15, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-06-15.
  25. "RIAJ Digital Track Chart: Chart issue June 22, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-07-03.
  26. "RIAJ Digital Track Chart: Chart issue June 29, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-07-03.
  27. "RIAJ Digital Track Chart: Chart issue July 6, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-07-16.
  28. "RIAJ Digital Track Chart: Chart issue July 13, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-07-16.
  29. "RIAJ Digital Track Chart: Chart issue July 20, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-07-23.
  30. "RIAJ Digital Track Chart: Chart issue July 27, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on December 27, 2014. Retrieved 2010-07-30.
  31. "RIAJ Digital Track Chart: Chart issue August 3, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on June 1, 2015. Retrieved 2010-08-10.
  32. "RIAJ Digital Track Chart: Chart issue August 17, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on June 1, 2015. Retrieved 2010-08-20.
  33. "RIAJ Digital Track Chart: Chart issue August 24, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-08-27.
  34. "RIAJ Digital Track Chart: Chart issue August 31, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on January 7, 2015. Retrieved 2010-09-07.
  35. "RIAJ Digital Track Chart: Chart issue September 7, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-09-10.
  36. "RIAJ Digital Track Chart: Chart issue September 14, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-09-17.
  37. "RIAJ Digital Track Chart: Chart issue September 21, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on December 28, 2014. Retrieved 2010-09-24.
  38. "RIAJ Digital Track Chart: Chart issue September 28, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on August 21, 2014. Retrieved 2010-10-01.
  39. "RIAJ Digital Track Chart: Chart issue October 5, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on August 21, 2014. Retrieved 2010-10-08.
  40. "RIAJ Digital Track Chart: Chart issue October 12, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-10-15.
  41. "RIAJ Digital Track Chart: Chart issue October 19, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-10-22.
  42. "RIAJ Digital Track Chart: Chart issue October 26, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on May 9, 2015. Retrieved 2010-10-29.
  43. "RIAJ Digital Track Chart: Chart issue November 2, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 11, 2012. Retrieved 2010-11-06.
  44. "RIAJ Digital Track Chart: Chart issue November 9, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 26, 2012. Retrieved 2010-11-12.
  45. "RIAJ Digital Track Chart: Chart issue November 16, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 26, 2012. Retrieved 2010-11-19.
  46. "RIAJ Digital Track Chart: Chart issue November 23, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on August 27, 2014. Retrieved 2010-11-26.
  47. "RIAJ Digital Track Chart: Chart issue November 30, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on March 26, 2012. Retrieved 2010-12-03.
  48. "RIAJ Digital Track Chart: Chart issue December 7, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-12-10.
  49. "RIAJ Digital Track Chart: Chart issue December 14, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on October 1, 2014. Retrieved 2010-12-17.
  50. "RIAJ Digital Track Chart: Chart issue December 21, 2010" (in Japanese). Recording Industry Association of Japan. Archived from the original on August 27, 2014. Retrieved 2010-12-24.
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