Japan · Miyakojima Ward
Data is aggregated from public sources and may be incomplete or out of date.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.
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Capacity
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Current population
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Occupancy
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Year opened
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Operational
Figures from official sources · verified 28 May 2026 · methodology
Operator
Ministry of JusticePopulation held
Mixed/unknown
Opened
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Region
Miyakojima Ward
Security level
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Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
The Wakayama curry-poisoning incident refers to a criminal poisoning case that occurred on 25 July 1998 at a matsuri summer celebration in Wakayama, Japan.
Source: Wikidata + Wikipedia.
Derived signal — not a judgement. How it's calculated
Same country, matched on type + security level where possible.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Osaka Detention House. Retrieved July 22, 2026, from https://worldprisons.com/prisons/osaka-detention-house
"Osaka Detention House." World Prisons. Accessed July 22, 2026. https://worldprisons.com/prisons/osaka-detention-house.
@misc{worldprisons-osaka-detention-house,
author = {{World Prisons}},
title = {Osaka Detention House},
year = {2026},
url = {https://worldprisons.com/prisons/osaka-detention-house},
urldate = {2026-07-22}
}