{ "schema_version": "1.0", "slug": "insurance/japan-life-big-four-overlay-comparison-matrix", "source_path": "insurance/japan-life-big-four-overlay-comparison-matrix.md", "url": "https://finwiki.zksc.io/ja/insurance/japan-life-big-four-overlay-comparison-matrix/", "html_url": "https://finwiki.zksc.io/ja/insurance/japan-life-big-four-overlay-comparison-matrix/", "alternate_html_urls": { "ja": "https://finwiki.zksc.io/ja/insurance/japan-life-big-four-overlay-comparison-matrix/", "en": "https://finwiki.zksc.io/en/insurance/japan-life-big-four-overlay-comparison-matrix/" }, "github_url": "https://github.com/jasonhnd/finwiki/blob/main/insurance/japan-life-big-four-overlay-comparison-matrix.md", "raw_markdown_url": "https://finwiki.zksc.io/insurance/japan-life-big-four-overlay-comparison-matrix.md", "domain": "insurance", "title": "Japan life big-four overlay comparison matrix", "entry_type": "wiki_entry", "frontmatter": { "title": "Japan life big-four overlay comparison matrix", "aliases": [ "japan-life-big-four-overlay-comparison-matrix", "Japan life big four overlay", "Nippon Dai-ichi Meiji Yasuda Sumitomo overlay matrix", "Japan life big-four ESR overlay", "Japan life insurer comparison matrix", "日本 生保 big four 比較マトリクス", "Japan life mutual vs holdco comparison", "big four life insurer Japan overlay" ], "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", "matrix", "life", "esr", "reinsurance", "japan", "alm", "mutual", "life-insurance" ], "status": "active", "canonical_anchor": null, "related": [], "note": null, "sources": [ "https://www.fsa.go.jp/policy/economic_value-based_solvency/index.html", "https://www.iaisweb.org/activities-topics/insurance-capital-standard", "https://www.seiho.or.jp/english/about/companies/", "https://www.nissay.co.jp/global/report/integrated/", "https://www.dai-ichi-life-hd.com/en/investor/library/annual_report/", "https://www.meijiyasuda.co.jp/english/disclosure/annual-reports/", "https://www.sumitomolife.co.jp/english/report/" ] }, "summary": "The \"Japan life big four\" — Nippon Life, Dai-ichi Life, Sumitomo Life, and Meiji Yasuda — share long-duration, yen-denominated savings and protection franchises but differ structurally on five axes that matter for analysis: corporate form (three mutuals plus one listed holdco), ESR composition, fore", "headings": [ "Japan life big-four overlay comparison matrix", "TL;DR", "Wiki route", "Why this matrix matters", "Nippon Life — mutual scale and asset-management gravity", "Dai-ichi Life Holdings — listed reference case", "Sumitomo Life and Meiji Yasuda — mutual peers with diverging strategy tilts", "Foreign-bond, ALM, and channel overlays", "Big comparison matrix table", "Identity, form, and group structure" ], "body_links": { "wikilinks_count": 36, "wikilinks": [ "INDEX", "JapanFG/japanese-government-bonds", "JapanFG/mufg-life-japan", "asset-managers/asset-management-one", "asset-managers/nissay-asset-management", "financial-licenses/insurance-license-and-solvency", "insurance/INDEX", "insurance/economic-value-based-solvency", "insurance/esr-economic-value-solvency", "insurance/foreign-life-affiliate-japan-positioning", "insurance/global-solvency-framework-comparison-matrix", "insurance/insurance-agency-and-brokerage-japan", "insurance/internet-life-insurance-business-model", "insurance/japan-iaig-ics-mapping", "insurance/japan-life-insurance-alm-overview", "insurance/japan-life-insurance-big-four", "insurance/life-insurance-channel-mix", "insurance/mutual-vs-stock-life-insurer", "insurance/sony-life-group-life-operating-model", "life-insurers/asahi-life", "life-insurers/dai-ichi-frontier-life", "life-insurers/dai-ichi-life", "life-insurers/dai-ichi-life-insurance", "life-insurers/daido-life", "life-insurers/fukoku-life", "life-insurers/kampo-life", "life-insurers/lifenet", "life-insurers/manulife-japan", "life-insurers/meiji-yasuda", "life-insurers/metlife-japan", "life-insurers/neo-first-life", "life-insurers/nippon-life", "life-insurers/prudential-life-japan", "life-insurers/sony-life", "life-insurers/sumitomo-life", "non-life-insurers/aig-life-japan" ], "resolved_wikilinks": [ "https://finwiki.zksc.io/INDEX.md", "https://finwiki.zksc.io/ja/asset-managers/asset-management-one/", "https://finwiki.zksc.io/ja/asset-managers/nissay-asset-management/", "https://finwiki.zksc.io/ja/financial-licenses/insurance-license-and-solvency/", "https://finwiki.zksc.io/ja/domains/insurance/", "https://finwiki.zksc.io/ja/insurance/economic-value-based-solvency/", "https://finwiki.zksc.io/ja/insurance/esr-economic-value-solvency/", "https://finwiki.zksc.io/ja/insurance/foreign-life-affiliate-japan-positioning/", "https://finwiki.zksc.io/ja/insurance/global-solvency-framework-comparison-matrix/", "https://finwiki.zksc.io/ja/insurance/insurance-agency-and-brokerage-japan/", "https://finwiki.zksc.io/ja/insurance/internet-life-insurance-business-model/", "https://finwiki.zksc.io/ja/insurance/japan-iaig-ics-mapping/", "https://finwiki.zksc.io/ja/insurance/japan-life-insurance-alm-overview/", "https://finwiki.zksc.io/ja/insurance/japan-life-insurance-big-four/", "https://finwiki.zksc.io/ja/insurance/life-insurance-channel-mix/", "https://finwiki.zksc.io/ja/insurance/mutual-vs-stock-life-insurer/", "https://finwiki.zksc.io/ja/insurance/sony-life-group-life-operating-model/", "https://finwiki.zksc.io/ja/life-insurers/asahi-life/", "https://finwiki.zksc.io/ja/life-insurers/dai-ichi-frontier-life/", "https://finwiki.zksc.io/ja/life-insurers/dai-ichi-life/", "https://finwiki.zksc.io/ja/life-insurers/dai-ichi-life-insurance/", "https://finwiki.zksc.io/ja/life-insurers/daido-life/", "https://finwiki.zksc.io/ja/life-insurers/fukoku-life/", "https://finwiki.zksc.io/ja/life-insurers/kampo-life/", "https://finwiki.zksc.io/ja/life-insurers/lifenet/", "https://finwiki.zksc.io/ja/life-insurers/manulife-japan/", "https://finwiki.zksc.io/ja/life-insurers/meiji-yasuda/", "https://finwiki.zksc.io/ja/life-insurers/metlife-japan/", "https://finwiki.zksc.io/ja/life-insurers/nippon-life/", "https://finwiki.zksc.io/ja/life-insurers/sony-life/", "https://finwiki.zksc.io/ja/life-insurers/sumitomo-life/" ], "external_links_count": 0, "external_links": [] }, "metrics": { "nonspace_chars": 35764, "word_like_tokens": 5633, "inbound_wikilinks_count": 10, "last_modified": "2026-07-30" } }