With a population of over 125.50 million, Japan is the #8 globally-ranked country on Cloudscene based on data center density. The country has a GDP of US $4.87 trillion, and its top service providers include Colt Technology Services, NTT Communications and Telstra. Japan has 92 internet users per 100 citizens, while its connectivity ecosystem is made up of 196 colocation data centers, 195 cloud service providers and 7 network fabrics.
Data Centers
Service Providers
Network Fabrics

Market Overview

Japan is a unitary parliamentary constitutional monarchy located off the Eastern coast of mainland Asia, and serves as a major interconnection point between Asia and North America. Japan has a population of over 125 million, and boasts an internet literacy rate of 92% (116.57 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 63.53 million fixed line telephone subscriptions and 179.87 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 207 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 646 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. SG.GS

Energy Distribution

Japan has good coverage of the energy sector, which is an important attribute for any data center market. The nation is energized by 28% renewable or green sources, with the remaining provided by fossil or 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 1.64. Japanese colocation facilities provide over 305.90 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: 207
  • Total number of cloud service providers: 646
  • Total number of network fabrics: 23
  • Latest Japanese data center added: Digital Osaka 3
  • Latest Japanese data centers service provider: Digital Realty
  • Number of certified colocation facilities in Japan: 35