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  "domain": "insurance",
  "title": "Marine insurance and P&I cover market in Japan",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "Marine insurance and P&I cover market in Japan",
    "aliases": [
      "marine-insurance-and-pi-cover-market",
      "Japan marine insurance",
      "日本 海上保険",
      "Japan P&I market",
      "船舶保険 cargo P&I",
      "marine hull cargo Japan"
    ],
    "domain": "insurance",
    "type": null,
    "created": "2026-05-25",
    "last_updated": "2026-07-30",
    "last_tended": "2026-07-30",
    "review_by": "2026-11-25",
    "confidence": "likely",
    "tags": [
      "insurance",
      "marine",
      "hull",
      "cargo",
      "P&I",
      "mutual",
      "japan",
      "IG",
      "big-three",
      "shipping"
    ],
    "status": "active",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "https://www.piclub.or.jp/",
      "https://www.igpandi.org/clubs",
      "https://www.tokiomarinehd.com/en/ir/download/annual_report.html",
      "https://www.ms-ad-hd.com/en/ir/library/disclosure.html",
      "https://www.sompo-hd.com/en/ir/data/annual/",
      "https://www.sonpo.or.jp/about/gaiyo/",
      "https://www.classnk.or.jp/hp/en/",
      "https://www.fsa.go.jp/menkyo/menkyoj/songai.pdf"
    ]
  },
  "summary": "Japan's marine insurance market splits cleanly into three regulatory and structural pieces. (1) Hull and machinery plus cargo / transit are written by the 大手3社 non-life insurers — Tokio Marine & Nichido Fire (historically Japan's largest marine carrier and the firm whose name still begins with 東京海上",
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    "Marine insurance and P&I cover market in Japan",
    "TL;DR",
    "Wiki route",
    "1. Market structure",
    "2. Hull and machinery (H&M)",
    "3. Cargo / transit",
    "4. P&I cover — the mutual layer",
    "Why P&I is mutual",
    "What P&I covers",
    "International Group of P&I Clubs (IG) pooling"
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