Japan Maritime Self-Defense Force

maritime warfare branch of Japan's military
Organization military_branch Q731647
Japan Maritime Self-Defense Force
Jimmy C. Pan, U.S. Navy · Public Domain · Wikimedia
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Summary

Japan Maritime Self-Defense Force is a military branch[1]. It ranks in the top 2% of military branch entities by monthly Wikipedia readership (24,927 views/month).[2]

Key Facts

  • Country: Japan[3]
  • Instance of: navy[4]
  • Item operated: Japan Maritime Self-Defense Force combatant ship classes[5], Japanese military aircraft[6], Japan Maritime Self-Defense Force fleet[7]
  • Follows: Imperial Japanese Navy[8]
  • Military branch: navy[9]
  • Location: Ichigaya[10]
  • Part of: Japan Self-Defense Forces[11]
  • Commons category: Japan Maritime Self-Defense Force[12]
  • Has part(s): Category:Aircraft of the Japan Maritime Self-Defense Force[13], Self-Defense Fleet[14], Yokosuka District Force[15], Kure District Force[16], Maizuru District Force[17], Ominato District Force[18], Sasebo District Force[19], Air Training Command[20], Communications Command[21]
  • Inception: 1952[22]
  • Official website: https://www.mod.go.jp/msdf/[23], https://www.mod.go.jp/msdf/en/[24]
  • Topic's main category: Category:Japan Maritime Self-Defense Force[25]
  • Employees: 42,052[26]
  • Replaces: Coastal Security Force[27]
  • Topic has template: Template:Japan Maritime Self-Defense Force[28], Q14400436[29]
  • Official name: 海上自衛隊[30]
  • Position held by head of the organization: Chief of Staff, Japan Maritime Self-Defense Force[31]
  • Social media followers: 818,593[32], 782,334[33], 857,693[34], 901,504[35]

Why It Matters

Japan Maritime Self-Defense Force has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[36] It is known by 83 alternative names across languages and contexts.[37]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . mod.go.jp. mod.go.jp. Provenance: wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . laws.e-gov.go.jp. Retrieved . laws.e-gov.go.jp. Provenance: wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [36] ↑ . Wikidata sitelinks. wikidata.org.
  3. [37] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Japan Maritime Self-Defense Force. Retrieved October 20, 2026, from https://4ort.xyz/entity/japan-maritime-self-defense-force
MLA “Japan Maritime Self-Defense Force.” 4ort.xyz Knowledge Graph, 4ort.xyz, 20 Oct. 2026, https://4ort.xyz/entity/japan-maritime-self-defense-force.
BibTeX @misc{4ortxyz_japan-maritime-self-defense-force_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Japan Maritime Self-Defense Force}}, year = {2026}, url = {https://4ort.xyz/entity/japan-maritime-self-defense-force}, note = {Accessed: 2026-10-20}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Japan Maritime Self-Defense Force — https://4ort.xyz/entity/japan-maritime-self-defense-force (retrieved 2026-10-20)

Canonical URL: https://4ort.xyz/entity/japan-maritime-self-defense-force · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 3d ago · ArthurPSmith · 2026-10-20 view diff on Wikidata ↗
    Ror id → 01dzxn262
    Wikipedia languages → ['ar', 'bs', 'ca', 'cs', 'de', 'en', 'es', 'fa', 'fi', 'fr', 'he', 'hr', 'hu', '
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/61037|batch #61037]]"
  2. 15w ago · Geagea · 2026-07-09 view diff on Wikidata ↗
    Official name → {'lang': 'ja', 'text': '海上自衛隊'}
    National library of israel j9u id → 987007604181905171
    "/* wbcreateclaim-create:1| */ National library of israel j9u id: 987007604181905171, #quickstatements; #temporary_batch_1783595065105; Based on LC id in the National Library of Israel"
  3. 23w ago · Yukkuri Shambis · 2026-05-13 view diff on Wikidata ↗
    Official website → https://www.mod.go.jp/msdf/, https://www.mod.go.jp/msdf/en/
    Replaces → —
    Topic has template → Template:Japan Maritime Self-Defense Force, Q14400436
    Employees → {'amount': '+42052'}
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Native label: 海上自衛隊"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.