Japanese Communist Party

Political party in Japan
Organization communist_party Q641600
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Summary

Japanese Communist Party is a communist party[1]. It ranks in the top 8% of communist party entities by monthly Wikipedia readership (14,140 views/month).[2]

Key Facts

  • Country: Japan[3]
  • Instance of: political party[4], LGBTQ+ rights organization[5]
  • Headquarters location: Sendagaya[6]
  • Commons category: Japanese Communist Party[7]
  • SRGB color hex triplet: FF0000[8]
  • Chairperson: Tomoko Tamura[9]
  • Inception: July 15, 1922[10]
  • Significant event: Shiratori case[11], 大須事件[12], 菅生事件[13], 熱海事件[14]
  • Official website: https://www.jcp.or.jp/[15], https://www.jcp.or.jp/english/[16]
  • Topic's main category: Category:Japanese Communist Party[17]
  • Political ideology: scientific socialism[18], anti-Anpo[19], pacifism[20], non-interventionism[21], progressivism[22], Republicanism[23], antimilitarism[24], democratic socialism[25]
  • Political alignment: left-wing[26], far-left politics[27]
  • Number of seats in assembly: 4[28]
  • Topic has template: Q20691966[29]
  • Legal form: political party[30]
  • Has characteristic: democratic centralism[31]
  • Native label: 日本共産党[32]
  • Short name: PCJ[33], JCP[34]
  • Owner of: Shimbun Akahata[35]
  • Member count: 320,000[36], 36,000[37], 98,000[38], 152,000[39], 275,000[40], 283,000[41], 342,000[42], 380,000[43], 366,000[44], 434,000[45], 477,000[46], 469,000[47], 484,000[48], 464,000[49]
  • Has list: list of members of the Japanese Communist Party[50]
  • Position held by head of the organization: Executive Committee Chair of the Japanese Communist Party[51]
  • Interested in: LGBT rights in Japan[52]

Why It Matters

Japanese Communist Party has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[53] It is known by 47 alternative names across languages and contexts.[54]

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] ↑ . Retrieved . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . Retrieved . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . Retrieved . wikidata.org.
  23. [25] ↑ . Retrieved . wikidata.org.
  24. [26] ↑ . Retrieved . wikidata.org.
  25. [27] ↑ . Retrieved . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . Retrieved . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . Retrieved . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.
  42. [44] ↑ . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . wikidata.org.
  45. [47] ↑ . wikidata.org.
  46. [48] ↑ . wikidata.org.
  47. [49] ↑ . wikidata.org.
  48. [50] ↑ . Retrieved . wikidata.org.
  49. [51] ↑ . wikidata.org.
  50. [52] ↑ . Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [53] ↑ . Wikidata sitelinks. wikidata.org.
  3. [54] ↑ . 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). Japanese Communist Party. Retrieved October 14, 2026, from https://4ort.xyz/entity/japanese-communist-party
MLA “Japanese Communist Party.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/japanese-communist-party.
BibTeX @misc{4ortxyz_japanese-communist-party_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Japanese Communist Party}}, year = {2026}, url = {https://4ort.xyz/entity/japanese-communist-party}, note = {Accessed: 2026-10-14}}
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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. 13d ago · DrGiRu · 2026-10-02 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'ar', 'az', 'be', 'ca', 'de', 'en', 'eo', 'es', 'eu', 'fa', 'fi', 'fr', '
    Number of seats in assembly → {'amount': '+4'}
    Claims rich → —
    "/* wbsetclaim-update:2||1 */ Number of seats in assembly: 4"
  2. 5w ago · ならちゃん · 2026-09-10 view diff on Wikidata ↗
    Fandom article id → logos:Japanese_Communist_Party, historica:Japanese_Communist_Party
    P14560 → 40795
    "/* wbsetclaim-create:1||1 */ P14560: 40795, Matched to [[:toollabs:mix-n-match/#/entry/294638469|日本共產黨 (#294638469)]] in [[:toollabs:mix-n-match/#/catalog/8077|Taiwan Central News Agency "
  3. 10w ago · Ceaseless Watcher · 2026-08-03 view diff on Wikidata ↗
    Instance of → communist party, political party, LGBTQ+ rights organization
    "/* wbsetclaim-create:2||1 */ Instance of: LGBTQ+ rights organization"
  4. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    General secretary → Akira Koike
    P14541 → 10Qdy6
    Instance of → communist party, political party, LGBTQ+ rights organization
    Chairperson → Tomoko Tamura
    + 30 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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