Data Centers in Japan
135 facilities across 4 cities
135
Total Facilities
13
Total Operators
10054 MW
Total Capacity
1.50
Average PUE
450
AverageCarbon (gCO2/kWh)
2
IXP Count
Country Intelligence Brief
Japan hosts 135 data center facilities operated by 13 organizations across 4 cities. The country's data center infrastructure is concentrated in Tokyo (73 facilities), followed by Osaka (49 facilities). With a grid carbon intensity of 450 gCO2/kWh, Japan ranks as moderate for sustainable cloud deployment. The country is served by 2 Internet Exchange Points with 350 connected networks.
Infrastructure Density Map
Top 4 cities by facility count
Facility Type Distribution
Competitive Landscape
Operators ranked by facility presence in Japan.
| Operator | Market Position | Facilities | Facility Types | Cities | Total Capacity | Avg PUE | Certifications |
|---|---|---|---|---|---|---|---|
 KDDI | Leader | 27 | Colocation | Nagoya, Osaka, Tokyo | 2166 MW | 1.50Average | ISMSISO 14001ISO 27001PCI DSSSOC 2 |
 NTT | Major | 20 | Colocation | Osaka, Tokyo | 1178 MW | 1.53Average | HIPAAISMSISO 14001ISO 27001PCI DSSSOC 2 |
 AT TOKYO | Major | 20 | Colocation | Osaka, Tokyo | 1569 MW | 1.54Average | ISO 14001ISO 27001PCI DSSSOC 2 |
 SAKURA Internet | Major | 15 | Colocation | Fukuoka, Osaka, Tokyo | 1282 MW | 1.62Poor | ISO 14001ISO 27001PCI DSSSOC 2 |
 IIJ | Major | 12 | Colocation | Osaka, Tokyo | 997 MW | 1.49Average | ISO 14001ISO 27001PCI DSSSOC 2 |
 Digital Realty | Major | 9 | Colocation | Osaka, Tokyo | 645 MW | 1.53Average | ISO 27001PCI DSSSOC 2 |
 Amazon Web Services | Major | 9 | Hyperscale | Osaka, Tokyo | 847 MW | 1.36Good | HIPAAISO 27001PCI DSSSOC 2 |
 Equinix | Major | 6 | Colocation | Osaka, Tokyo | 495 MW | 1.45Average | ISMSISO 14001ISO 27001PCI DSSSOC 2 |
 Microsoft Azure | Major | 4 | Hyperscale | Tokyo | 112 MW | 1.33Good | HIPAAISO 27001PCI DSSSOC 2 |
 AirTrunk | Major | 4 | Hyperscale | Tokyo | 327 MW | 1.46Average | ISO 14001ISO 27001PCI DSSSOC 2 |
 Google Cloud | Major | 4 | Hyperscale | Tokyo | 205 MW | 1.38Good | HIPAAISO 27001PCI DSSSOC 2 |
 Telehouse | Major | 3 | Colocation | Tokyo | 188 MW | 1.55Average | HIPAAISO 27001PCI DSSSOC 2 |
 Oracle Cloud | Present | 2 | Hyperscale | Tokyo | 42 MW | 1.33Good | HIPAAISO 27001PCI DSSSOC 2 |
Sustainability
Carbon Intensity
Energy Mix
Green Score
Based on avg PUE and grid carbon intensity
vs Global Average
123 gCO2/kWh above global avg (327)
Internet Exchange Points
View all IXPs| Name | City | Participants | Peak Traffic | Avg Traffic |
|---|---|---|---|---|
| JPNAP Tokyo | Tokyo | 250 | 4.0 Tbps | 2.8 Tbps |
| BBIX Tokyo | Tokyo | 100 | 1.5 Tbps | 1.0 Tbps |
Connectivity Score
Total IXP Capacity
5.5 TbpsSum of peak traffic across all IXPs
Avg Participants / IXP
175Average connected networks per exchange
Connectivity Rating
GoodBased on 2 IXPs in country
Total Networks
350Connected participants across all IXPs
Nearest IXPs from Tokyo
Cities
Related GPU Cloud Providers
Cloud providers with data center facilities in Japan.
All Facilities
AirTrunk Tokyo
VerifiedAirTrunk·Tokyo, Japanhyperscale
71.3 MW
Tier 3
1.44
AirTrunk·Tokyo, Japanhyperscale
117.9 MW
Tier 3
1.50
Amazon Web Services Osaka
VerifiedAmazon Web Services·Osaka, Japanhyperscale
176.2 MW
Tier 3
1.78
Amazon Web Services Osaka 2
VerifiedAmazon Web Services·Osaka, Japanhyperscale
162.7 MW
Tier 3
1.16
Amazon Web Services Osaka 3
VerifiedAmazon Web Services·Osaka, Japanhyperscale
57.7 MW
Tier 3
1.27
Amazon Web Services·Osaka, Japanhyperscale
115.4 MW
Tier 2
1.55
Amazon Web Services·Tokyo, Japanhyperscale
28.4 MW
Tier 2
1.35
Amazon Web Services Tokyo 2
VerifiedAmazon Web Services·Tokyo, Japanhyperscale
53.4 MW
Tier 3
1.27
Amazon Web Services Tokyo 3
VerifiedAmazon Web Services·Tokyo, Japanhyperscale
142.3 MW
Tier 3
1.43
Amazon Web Services Tokyo 4
VerifiedAmazon Web Services·Tokyo, Japanhyperscale
111.3 MW
Tier 3
1.21
AT TOKYO Osaka
VerifiedAT TOKYO·Osaka, Japancolocation
134.3 MW
Tier 2
1.27
AT TOKYO Osaka 3
VerifiedAT TOKYO·Osaka, Japancolocation
38.8 MW
Tier 2
1.19
AT TOKYO Osaka 5
VerifiedAT TOKYO·Osaka, Japancolocation
59.1 MW
Tier 3
1.61
AT TOKYO Osaka 6
VerifiedAT TOKYO·Osaka, Japancolocation
35.4 MW
Tier 2
1.63
AT TOKYO·Osaka, Japancolocation
4 MW
Tier 2
1.79
AT TOKYO Osaka 9
VerifiedAT TOKYO·Osaka, Japancolocation
80.8 MW
Tier 3
1.58
AT TOKYO Tokyo
VerifiedAT TOKYO·Tokyo, Japancolocation
28.6 MW
Tier 3
1.38
AT TOKYO Tokyo 10
VerifiedAT TOKYO·Tokyo, Japancolocation
94.4 MW
Tier 3
1.45
AT TOKYO Tokyo 4
VerifiedAT TOKYO·Tokyo, Japancolocation
102.5 MW
Tier 3
1.23
AT TOKYO Tokyo 5
VerifiedAT TOKYO·Tokyo, Japancolocation
104.6 MW
Tier 4
1.31
AT TOKYO Tokyo 6
VerifiedAT TOKYO·Tokyo, Japancolocation
114.7 MW
Tier 3
1.61
AT TOKYO Tokyo 9
VerifiedAT TOKYO·Tokyo, Japancolocation
97.4 MW
Tier 2
1.59
AWS AP-Northeast-1 (Tokyo)
VerifiedAmazon Web Services·Tokyo, Japanhyperscale
N/A
N/A
1.25
Azure Japan East
VerifiedMicrosoft Azure·Tokyo, Japanhyperscale
N/A
N/A
1.22
Digital Realty NRT1
VerifiedDigital Realty·Tokyo, Japancolocation
15 MW
Tier 3
1.40
Digital Realty OSA1
VerifiedDigital Realty·Osaka, Japancolocation
12 MW
Tier 3
1.42
Digital Realty Osaka
VerifiedDigital Realty·Osaka, Japancolocation
102.8 MW
Tier 3
1.19
Digital Realty Osaka 2
VerifiedDigital Realty·Osaka, Japancolocation
26 MW
Tier 3
1.86
Digital Realty Tokyo
VerifiedDigital Realty·Tokyo, Japancolocation
185.6 MW
Tier 2
1.48
Digital Realty Tokyo 2
VerifiedDigital Realty·Tokyo, Japancolocation
102.4 MW
Tier 3
1.77
Digital Realty Tokyo 3
VerifiedDigital Realty·Tokyo, Japancolocation
117 MW
Tier 4
1.63
Digital Realty·Tokyo, Japancolocation
53.4 MW
Tier 2
1.64
Digital Realty Tokyo 5
VerifiedDigital Realty·Tokyo, Japancolocation
31 MW
Tier 4
1.39
Equinix Osaka
VerifiedEquinix·Osaka, Japancolocation
143.3 MW
Tier 4
1.19
Equinix·Osaka, Japancolocation
45.4 MW
Tier 4
1.74
Equinix Tokyo
VerifiedEquinix·Tokyo, Japancolocation
72.2 MW
Tier 4
1.33
Equinix Tokyo 3
VerifiedEquinix·Tokyo, Japancolocation
141.2 MW
Tier 3
1.25
Equinix TY3
VerifiedEquinix·Tokyo, Japancolocation
15 MW
Tier 3
1.45
GCP asia-northeast1
VerifiedGoogle Cloud·Tokyo, Japanhyperscale
N/A
N/A
1.12
Deployment Recommendation
Best City for Deployment
Tokyo
Highest facility density (73 facilities)
Greenest Option
GCP asia-northeast1
PUE 1.12 in Tokyo
Most Connected
Tokyo
Nearest average distance to IXPs