February 27, 2020 Estimates for Internet Traffic in Japan

In order to grasp the actual state of Internet traffic (communications traffic) in Japan, the Ministry of Internal Affairs and Communications (MIC) aggregated the amount of traffic as of November 2019 under provisional calculation with the cooperation of nine Internet Service Providers (ISPs) (see 1), five Internet Exchange (IX) organizations (see 2), and a number of researchers (see 3), and summarized the results.

1. Main points

• The total download traffic of Japan’s broadband service (see 4) subscribers as of November 2019 was estimated to be approximately 12.7 Tbps (approximately 102 GB per contract per month (see 5)), an increase of 15.2% year-on-year.

• *1
  Nine ISPs: Internet Initiative Japan Inc., NTT Communications Corporation, NTT Plala Inc., OPTAGE Inc., KDDI Corporation, Jupiter Telecommunications Co., Ltd., SoftBank Corp., NIFTY Corporation, and BIGLOBE Inc.
• *2
  Five IX organizations: Internet Multifeed Co., Equinix, Inc., Japan Internet Exchange Co., Ltd., BBIX, Inc., and WIDE Project.
• *3
  Esaki Hiroshi (Professor, University of Tokyo), Kato Akira (Professor, Keio University),Cho Kenjiro (Internet Initiative Researcher),Sekiya Yuji (Professor, University of Tokyo),Fukuda Kensuke (Associate Professor, National Institute of Informatics)
• *4
  FTTH, DSL, CATV, and FWA
• *5
  One month is calculated as 30.4375 days

2. Others

Aggregated values related to this press release will be posted on the Information and Communications Statistics Database ( https://www.soumu.go.jp/johotsusintokei/field/data/gt010108.xlsx).