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According to Arizton research, the Japan data center market was valued at USD 12.76 billion in 2025 and is projected to reach USD 38.92 billion by 2031, growing at a CAGR of 20.42%. Holding a significant share in the APAC region, Japan’s market growth is driven by strong digital transformation policies and the widespread adoption of IoT and big data, which are fueling major investments in data center infrastructure.

 

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Report Summary:

MARKET SIZE (INVESTMENT): USD 38.92 Billion (2031)

MARKET SIZE (AREA): 2,570 thousand sq. feet (2031)

MARKET SIZE (POWER CAPACITY): 610 MW (2031)

CAGR – INVESTMENT (2024-2030): 20.42%

COLOCATION MARKET SIZE (REVENUE): USD 4.19 Billion (2031)

HISTORIC YEAR: 2022-2024

BASE YEAR: 2025

FORECAST YEAR: 2026-2031

 

Japan’s Green Energy Push Accelerates Data Center Market Expansion

Japan is rapidly advancing toward carbon neutrality by 2050, aiming to cut emissions by 60% by 2035 and 73% by 2040 from 2013 levels. This push for clean energy, boosting renewable and nuclear power to 40%-50% and 20% of the electricity mix by 2040, is closely tied to attracting data centers and semiconductor facilities. Illustrating this momentum, Google signed a virtual Power Purchase Agreement with JERA Cross in September 2025 for its Inzai data center, sourcing solar power through Non-Fossil Certificates. These efforts highlight Japan’s strategy of combining sustainable energy innovation with digital infrastructure expansion, setting a benchmark for sustainable growth in the region.

 

Japan Data Center Market – Key Highlights

• Japan has about 119 operational colocation data centers. Most colocation data centers are being developed according to Tier III standards.
• Tokyo is the top data center destination in the country. It continues to be Japan leading hub for data center expansion, marked by a concentrated growth in advanced facilities, hyperscale data centers, and dedicated cloud regions. As of June 2025, there are around 74 existing and 26 upcoming data centers in Tokyo.
• The trend of liquid cooling in Japanese data centers is growing due to the increasing demand for High-Performance Computing (HPC), AI workloads, and energy efficiency. Liquid cooling is more efficient than air cooling, as liquids can absorb and transfer heat more effectively than air.
• After Tokyo and Osaka, the demand for data center investments in locations such as Hokkaido, Kyushu, Nagoya, and Yokohama will increase.

 

Japan’s Push to Become the World’s Most AI-Friendly Nation Spurs Data Center Market Growth

Japan is aiming to become the world’s most AI-friendly nation by actively, promoting development through strategic policies, targeted investments, and international collaborations. The nation’s data centers are increasingly adopting AI technologies, including AI-driven cooling and workload optimization, to meet the rising demand for High-Performance Computing (HPC), fueling growth in AI, cloud computing, and digital transformation sectors. Since launching its National AI Strategy in 2019, the Japan AI Office has strengthened the ecosystem, deployed AI across key government sectors, and enhanced competitive assets in priority industries. With robust infrastructure, an AI-friendly regulatory environment, and global connectivity via submarine cables, Japan is one of the most established AI markets in APAC. Tokyo and Osaka remain the primary AI-ready data center hubs, while Hokkaido, Fukuoka, and Nagoya are emerging as strategic centers set to support Japan’s expanding AI infrastructure in the coming years.

 

Japan’s IoT and Big Data Power Smart City and Data Center Growth

Japan is leveraging big data and IoT to accelerate innovation, enhance efficiency, and advance its Society 5.0 smart city vision, transforming healthcare, transportation, and energy sectors. By integrating cyberspace with physical space, the initiative addresses societal challenges, promotes sustainable urban development, and improves quality of life. This growing adoption of big data and IoT is directly driving market growth. The Japanese IoT market is projected to reach $31 billion by 2025, growing 7% annually to $42 billion by 2030, with SMEs increasingly leveraging these technologies for strategic advantage. The massive data generated is fueling data center expansion, higher rack densities, and demand for advanced power and cooling systems, directly linking technology adoption to market growth and infrastructure development.

 

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Existing Vs. Upcoming Data Centers

Existing Facilities in the region (Area and Power Capacity)

• Tokyo
• Osaka
• Other Cities

List of Upcoming Facilities in the region (Area and Power Capacity)

• Tokyo
• Osaka
• Other Cities

 

The Japan Data Center Market Report Includes Size in Terms of

IT Infrastructure

• Server Infrastructure
• Storage Infrastructure
• Network Infrastructure

Electrical Infrastructure

• UPS Systems
• Generators
• Switches & Switchgears
• PDUs
• Other Electrical Infrastructure

Mechanical Infrastructure

• Cooling Systems
• Rack Cabinets
• Other Mechanical Infrastructure

Cooling Systems

• CRAC and CRAH
• Chillers
• Cooling Towers, Condensers and Dry Coolers
• Other Cooling Units

General Construction

• Core & Shell Development
• Installation & commissioning Services
• Building & Engineering Design
• Fire Detection & Suppression Systems
• Physical Security
• Data Center Infrastructure Management (DCIM)

Tier Standard

• Tier I & Tier II
• Tier III
• Tier IV

Geography

• Tokyo
• Osaka
• Other Cities

 

Related Reports That May Align with Your Business Needs

Singapore Data Center Market – Investment Analysis & Growth Opportunities 2025-2030

https://www.arizton.com/market-reports/singapore-data-center-market-size-analysis

India Data Center Market – Investment Analysis & Growth Opportunities 2025-2030

https://www.arizton.com/market-reports/data-center-market-in-india-2025

 

Why Should You Buy This Research?

This report provides a comprehensive analysis of Japan’s data center market, including market size, investment trends, colocation revenue, power capacity, and facility footprint across 17+ cities. It covers existing (119) and upcoming (49) facilities, colocation pricing, retail and wholesale revenue forecasts (2022–2031), and detailed insights into IT, power, cooling, and construction services. The study also highlights market trends, growth opportunities, restraints, and competitive landscapes of key infrastructure providers, contractors, and investors, supported by a transparent research methodology.

 

What Key Findings Will Our Research Analysis Reveal?

• How big is the Japan data center market?
• What is the growth rate of the Japan data center market?
• How much MW of power capacity will be added across Japan during 2026-2031?
• What factors are driving the Japan data center market?
• Which all geographies are included in Japan center market report?

 

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