Sugamo Prison
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
For families
How to send mail, money, and visit Sugamo Prison
Step-by-step guidance using the Japan system — addresses, money services, visit booking, what to bring on your first visit.
Gallery
From Wikimedia Commons (CC-BY-SA where not otherwise stated).
Photo by unknown member of the Sugamo Prison Art Group via Wikimedia Commons (Public domain)
Photo by Unknown authorUnknown author via Wikimedia Commons (Public domain)
Photo by Unknown via Wikimedia Commons (Public domain)
Photo by Post-Work: User:W.wolny via Wikimedia Commons (Public domain)
Photo by David Shapinsky from Washington, D.C., United States via Wikimedia Commons (CC BY-SA 2.0)
Photo by David Shapinsky from Washington, D.C., United States via Wikimedia Commons (CC BY-SA 2.0)
Photo by AMANO Jun-ichi via Wikimedia Commons (CC BY 3.0)
Photo by Unknown authorUnknown author via Wikimedia Commons (Public domain)
Capacity
—
Current population
—
Occupancy
—
Year opened
1920
Closed 1971
Facility profile
Operator
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Population held
Mixed/unknown
Opened
1920
Region
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Security level
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Death-row facility
No
Conditions
No conditions summary available yet.
Visiting
No visiting information available.
Mailing
No mailing information available.
Practical info
Contact the operator's website for inmate-specific procedures.
Known issues
No major issues documented in our database.
Contact & address
No public contact details available.
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
Data completeness
16%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- Wikidata — Wikimedia Foundation
- See /data-sources for our overall methodology.