RIAJ Digital Track Chart

The RIAJ Digital Track chart (RIAJ有料音楽配信チャート, RIAJ Yūryō Ongaku Haishin Chāto) was a record chart that ranks the best selling digital singles in Japan, with data provided by the Recording Industry Association of Japan from April 2009.[1] The chart measures cellphone downloads (着うたフル Chaku-Uta Full) (not downloads from PCs, or ringtones (着うた Chaku-Uta)). On July 27, 2012, the service that tracked the charts was shut down.

History

The RIAJ originally started certifying digital downloads in August 2006.[2] At the same time, they began posting a monthly chart called the Reco-kyō Chart (レコ協チャート) (officially the Yūryō Ongaku Haishin Chart (有料音楽配信チャート)). This now defunct chart ranked the highest Chaku-uta (ringtone) downloads for the month. The chart was disbanded in March 2009 (the final month's data being February 2009), and was replaced by the identically named weekly Chaku-Uta Full chart.

Methodology

The chart week runs from Wednesday to Tuesday and updated on every Friday at 11 a.m (JST).[3] The first number-one song on this chart was "It's All Love!" by Kumi Koda and Misono.[4]

At first, the data was sourced from five providers: Dwango, Mora, Mu-Mo, music.jp and Recochoku.[3] On February 19, 2010, RIAJ announced that the data became the more expanded data sourced from 14 providers (new nine providers included the Oricon Me).[5]

Records

Only three non-domestic artists have ever broken the top 10 charts: Michael Jackson's "Thriller" at #7 in June 2009 (directly after his death)[6] and the Backstreet Boys' "Straight Through My Heart" at #4 in September 2009[7] and Lady Gaga feat. Beyoncé's "Telephone" at #5 in April 2010.[8]

Songs with the most weeks at number one
4 weeks
3 weeks
2 weeks

See also

References
  1. "「着うたフル（R）」有料音楽配信チャート 本日より毎週金曜日に公表開始" (in Japanese). RIAJ. April 10, 2009. Retrieved May 12, 2010.
  2. http://www.riaj.or.jp/data/others/chart/w060920.html
  3. http://www.riaj.or.jp/data/others/weekly_chart/index.html
  4. "Archived copy". Archived from the original on 2014-08-21. Retrieved 2011-02-12.CS1 maint: archived copy as title (link)
  5. "「着うたフル（R）」有料音楽配信チャート 本日よりデータ提供協力配信事業者を拡大し、公表開始" (in Japanese). RIAJ. 2010-02-19. Retrieved 2010-02-19.
  6. "Archived copy". Archived from the original on 2014-08-28. Retrieved 2009-08-08.CS1 maint: archived copy as title (link)
  7. "Archived copy". Archived from the original on 2014-10-10. Retrieved 2014-09-11.CS1 maint: archived copy as title (link)
  8. "Archived copy". Archived from the original on 2012-03-11. Retrieved 2010-04-23.CS1 maint: archived copy as title (link)
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