Country Comparison
United States vs Japan
Japan is emerging as a major AI infrastructure market through government-backed programs and hyperscaler investment. This comparison shows how Japan's growing AI data center footprint compares to the US market leader.
Scale Comparison
Status Breakdown
United States
Operational45
Under Construction21
Planned12
Announced6
Japan
Operational7
Under Construction3
Energy Mix
United States
Renewable26
Unknown10
Energy procurement not disclosed at facility level9
Mixed8
Nuclear7
Nuclear power supply3
Fossil / Gas2
Clean and renewable energy matched2
Nuclear / PJM grid supply1
Fossil / Gas with CCS1
Grid interconnection with battery, solar, wind, backup gas turbines, and closed-loop cooling1
Clean energy matched1
Zero-emission and renewable energy matched1
Grid / utility infrastructure1
Renewable-power design intent and cool-climate efficiency1
Hydroelectric1
Renewable energy matched at AWS region level1
Renewable / grid1
Facility-level energy not disclosed1
Clean energy procurement; backup diesel disclosed1
Grid / renewable PPAs1
Clean power colocation1
Renewable energy matching1
Grid with Microsoft renewable-energy procurement commitments1
On-site fuel-cell microgrid1
Japan
Renewable6
Mixed2
Unknown1
Grid (liquid cooling and efficiency features)1
Top Operators in United States
Meta16 facilities
Google13 facilities
Amazon Web Services12 facilities
Microsoft11 facilities
NVIDIA7 facilities
Top Operators in Japan
Amazon Web Services2 facilities
NVIDIA2 facilities
Oracle2 facilities
Microsoft1 facility
AirTrunk1 facility
Largest in United States
Frequently asked questions
- How does United States compare to Japan in AI data centers?
- United States has 84 tracked AI data center facilities with 43.6 GW of selected tracked capacity, compared to Japan's 10 facilities with 2.2 GW. See the full breakdown of status, energy, and operators above.
- Which country has more AI data center capacity, United States or Japan?
- United States leads with 43.6 GW of selected tracked capacity versus Japan's 2.2 GW.
Build Your Own Comparison
Use the interactive comparison tool to compare any two operators, countries, continents, energy types, or status categories.
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