With a population of over 126.96 million, Japan is the #8 globally ranked country on Cloudscene based on data center density. A GDP of US $4.12 trillion, the country’s top service providers include Colt Technology Services, NTT Communications and Telstra. Japan has 93 internet users per 100 and the connectivity ecosystem is made up of 199 colocation data centers, 193 cloud service providers and 7 network fabrics.

Japan Overview

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Market Overview

Japan is a unitary parliamentary constitutional monarchy located off the Eastern coast of mainland Asia. It is a major interconnection point between Asia and North America. Japan has a population of over 126.96 million and an internet literacy rate of 93% (118.07 million million internet users).

Data Center & Telecommunications Economy

The total GDP of the Japan is over US $4.12 trillion and with a contribution of 9% from the digital economy, Japan’s data center industry is thriving. Besides Japan’s data centers, the digital economy includes 63.633 million fixed line telephone subscriptions and 158.591 million mobile telephone subscriptions.

Data Center Markets

Japan contains several data center clusters throughout the country providing plenty of colocation opportunities. The primary colocation data center markets in Japan are:

Japan provides an important connection between mainland Asia and North America through submarine cables. There are 199 Japanese data centers, the majority of these colocation facilities are located in and around Tokyo and Osaka. Large carrier neutral Japanese data centers feature rich ecosystems and state of the art equipment, ensuring maximum uptime and connectivity to over 193 service providers.

Japanese Rankings

Cloudscene compares and ranks data centers, cloud service providers and network fabrics in a given market by a range of different qualities including ecosystem size and network size.

Richest Data Center Ecosystems

The top five colocation facilities in Japan are:

  1. TY2
  2. TY4
  3. TY3
  4. TY1
  5. OS1

Top Data Center Operators

The top five data center operators in Japan are:

  1. NTT Communications
  2. Equinix
  3. KDDI
  4. TIS
  5. Arteria

Top Service Providers

The top five cloud service providers in Japan are:

  1. Colt Technology Services
  2. NTT Communications
  3. Telstra
  4. Cogent Communications
  5. PCCW Solutions

Energy Distribution

Energy is a significant issue for data centers and Japan has good coverage of the energy sector. Japan is energized by 11.4% renewable or green sources, with the remaining provided by fossil/nuclear fuels. This gives Japanese colocation facilities significant opportunities to take advantage of green energy. In addition to green energy, data center consumers enjoy a range of PUE scores between 1.20 and 4.50. The average PUE for Japanese data centers is 1.73. Japanese colocation facilities provide over 126.30 MW of power and has a range of rack power options from 1.80 kW to 5.40 kW.

Natural Disasters

Japan has a high natural disaster risk score of 12.99% according to the Work Risk Index. The country experiences multiple natural disasters including tsunamis, floods, typhoons, earthquakes, cyclones and volcanic eruptions. Many Japanese data center operators have taken measures to prevent flooding, extreme winds and earthquakes from causing damage.

Service Providers

Japan’s communications industry is regulated by MIC (Ministry of Internal Affairs and Communications). Major players in the carrier space include:

  • NTT
  • SoftBank Corp
  • KDDI

While the top three service providers are:

There are numerous smaller providers as well.

Cloudscene Japanese Facts

  • Total number of Japanese data centers: 199
  • Total number of cloud service providers: 193
  • Total number of network fabrics: 7
  • Latest Japanese data center added: Tokyo
  • Latest Japanese data centers service provider: Atlantic Metro
  • Number of certified colocation facilities in Japan: 29

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