Aggregation and Preliminary Calculation of Internet Traffic in Japan

Main points

  - As of November 2012, overall download traffic from broadband service (see note 4) subscribers in Japan was estimated to be approximately 1.9Tbps (terabits per second) (see note 5). This is an increase of 1.2 times (increase of 19.1% on year-to-year basis) over the past one year, and traffic has continued to increase.
  - On the other hand, overall upload traffic from broadband service subscribers was estimated to be approximately 666Gbps (increase of 4.1% on a year-to-year basis).
   
  Note 1: Six ISPs – Internet Initiative Japan (IIJ), NTT Communications, K-opticom, KDDI, Softbank BB, and Softbank Telecom
  Note 2: Five Internet Exchange Organizations – Internet Multifeed, Equinix Japan, Japan Internet Exchange, BBIX and WIDE Project
  Note 3: Hiroshi Ezaki (professor at The University of Tokyo), Akira Kato (professor at Keio University), Jiro Nagayoshi (IIJ researcher), Kensuke Fukuda (associate professor at the National Institute of Informatics), and Yuji Sekiya (associate professor at The University of Tokyo)
  Note 4: FTTH, DSL, CATV and FWA
  Note 5: 1T (tera) (10 to the power of 12) = 1000G (giga)
   

Others

  The aggregation values related to this press release will be posted in the Information & Communications Statistics Database.