{
  "spec_version": "4",
  "endpoint": "history",
  "stock_code": "7182",
  "company_name": "ゆうちょ銀行",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/7182/decisions/",
  "api_url": "/api/7182/history.json",
  "updated": "2026-09-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7182/decisions/",
  "source": {
    "long_term": {
      "primary": [
        "有価証券報告書"
      ],
      "extraction": "EDINET の XBRL、kabupro 掲載の旧有価証券報告書、会社年鑑・社史等からの転記",
      "row_field": "reference",
      "caveat": "創業期から現在までを 1 本に繋いだ長期系列のため、年代により出所・単位・連結範囲が変わる。行ごとの reference / unit / consolidation を必ず参照すること"
    },
    "decisions": {
      "html_url": "https://the-shashi.com/tse/7182/decisions/",
      "primary": [
        "企業の公表資料",
        "新聞・雑誌記事"
      ],
      "extraction": "本文は API に載せない。行ごとの html_url のページを参照すること"
    }
  },
  "title": "ゆうちょ銀行の歴史概略",
  "eras": [
    {
      "title": "郵便の創業と郵便為替・郵便貯金の開始",
      "start_year": 1871,
      "end_year": 1905
    },
    {
      "title": "郵便振替の創業と、大正・昭和戦前の郵便貯金の拡大",
      "start_year": 1906,
      "end_year": 1940
    },
    {
      "title": "戦時の貯蓄奨励と定額貯金、郵政省の発足と戦後の郵便貯金",
      "start_year": 1941,
      "end_year": 1972
    },
    {
      "title": "石油危機後に膨らんだ郵便貯金と財政投融資、金融自由化",
      "start_year": 1973,
      "end_year": 2000
    },
    {
      "title": "郵政事業庁と日本郵政公社、投資信託の販売と準備会社ゆうちょの設立",
      "start_year": 2001,
      "end_year": 2006
    },
    {
      "title": "民営化によるゆうちょ銀行の開業と全銀システム接続、上場と株式売出し",
      "start_year": 2007,
      "end_year": 2026
    }
  ],
  "summary": {
    "description": "ゆうちょ銀行（旧ゆうちょ）の歴史。1875年創業の郵便貯金事業を継ぎ、2006年に日本郵政の準備会社として設立、2007年の民営化で銀行として開業。JP BANKカード、上場までの沿革と経緯を執筆。"
  },
  "long_term": [
    {
      "year": 2012,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "単体",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": null,
      "sales": null,
      "operating_profit_jp": null,
      "operating_profit": null,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 5762,
      "net_profit_jp": null,
      "net_profit": null,
      "net_margin": null,
      "employees": 12796,
      "reference": null
    },
    {
      "year": 2013,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "単体",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": null,
      "sales": null,
      "operating_profit_jp": null,
      "operating_profit": null,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 5935,
      "net_profit_jp": null,
      "net_profit": null,
      "net_margin": null,
      "employees": 12922,
      "reference": null
    },
    {
      "year": 2014,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "単体",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": null,
      "sales": null,
      "operating_profit_jp": null,
      "operating_profit": null,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 5651,
      "net_profit_jp": null,
      "net_profit": null,
      "net_margin": null,
      "employees": 12963,
      "reference": null
    },
    {
      "year": 2015,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "単体",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 20782,
      "operating_profit_jp": "営業利益",
      "operating_profit": 5695,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 5695,
      "net_profit_jp": null,
      "net_profit": null,
      "net_margin": null,
      "employees": 12889,
      "reference": null
    },
    {
      "year": 2016,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "単体",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 19690,
      "operating_profit_jp": "営業利益",
      "operating_profit": 4820,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 4820,
      "net_profit_jp": null,
      "net_profit": null,
      "net_margin": null,
      "employees": 12905,
      "reference": null
    },
    {
      "year": 2017,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "単体",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 18973,
      "operating_profit_jp": "営業利益",
      "operating_profit": 4421,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 4421,
      "net_profit_jp": null,
      "net_profit": null,
      "net_margin": null,
      "employees": 12965,
      "reference": null
    },
    {
      "year": 2018,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 20449,
      "operating_profit_jp": "営業利益",
      "operating_profit": 4997,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 4997,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 3528,
      "net_margin": 17.252,
      "employees": 13022,
      "reference": null
    },
    {
      "year": 2019,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 18454,
      "operating_profit_jp": "営業利益",
      "operating_profit": 3740,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 3740,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 2662,
      "net_margin": 14.425,
      "employees": 12821,
      "reference": null
    },
    {
      "year": 2020,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 17995,
      "operating_profit_jp": "営業利益",
      "operating_profit": 3791,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 3791,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 2734,
      "net_margin": 15.193,
      "employees": 12517,
      "reference": null
    },
    {
      "year": 2021,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 19467,
      "operating_profit_jp": "営業利益",
      "operating_profit": 3942,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 3942,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 2801,
      "net_margin": 14.388,
      "employees": 12451,
      "reference": null
    },
    {
      "year": 2022,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 19776,
      "operating_profit_jp": "営業利益",
      "operating_profit": 4909,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 4909,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 3551,
      "net_margin": 17.956,
      "employees": 12219,
      "reference": null
    },
    {
      "year": 2023,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 20643,
      "operating_profit_jp": "営業利益",
      "operating_profit": 4556,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 4556,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 3251,
      "net_margin": 15.748,
      "employees": 11807,
      "reference": null
    },
    {
      "year": 2024,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 26517,
      "operating_profit_jp": "営業利益",
      "operating_profit": 4961,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 4961,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 3561,
      "net_margin": 13.429,
      "employees": 11419,
      "reference": null
    },
    {
      "year": 2025,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 25221,
      "operating_profit_jp": "営業利益",
      "operating_profit": 5845,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 5845,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 4143,
      "net_margin": 16.426,
      "employees": 11034,
      "reference": null
    },
    {
      "year": 2026,
      "month": 3,
      "company_name": "ゆうちょ銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 28522,
      "operating_profit_jp": "営業利益",
      "operating_profit": 7592,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 7592,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 5256,
      "net_margin": 18.427,
      "employees": 10771,
      "reference": null
    }
  ],
  "decisions": [
    {
      "main_title": "郵便局で郵便貯金を創業",
      "sub_title": "手紙のために引かれた窓口網を小口貯蓄の受け皿にも使うという選択",
      "year": 1875,
      "type": "founding",
      "html_url": "https://the-shashi.com/tse/7182/decisions/postal-savings-founding-1875/"
    },
    {
      "main_title": "日本郵政公社の投資信託募集業務開始",
      "sub_title": "集めて運用するだけの稼ぎ方に、窓口で他社の商品を売って手数料を取る道を足した転換",
      "year": 2005,
      "type": "new_business",
      "html_url": "https://the-shashi.com/tse/7182/decisions/investment-trust-entry-2005/"
    },
    {
      "main_title": "郵政民営化でのゆうちょ銀行開業",
      "sub_title": "国営の郵便貯金事業を条件付きの銀行免許で民間銀行へ移した選択",
      "year": 2007,
      "type": "transformation",
      "html_url": "https://the-shashi.com/tse/7182/decisions/privatization-yucho-bank-2007/"
    },
    {
      "main_title": "全国銀行データ通信システム接続",
      "sub_title": "郵便局網の中で完結していた送金に、銀行間の決済網を重ねた選択",
      "year": 2009,
      "type": "strategy",
      "html_url": "https://the-shashi.com/tse/7182/decisions/zengin-system-connection-2009/"
    },
    {
      "main_title": "日本郵政の第2次売出しと自己株取得",
      "sub_title": "1,500億円の自己株式取得で親会社の持分を約89％から61％へ下げ、新規業務の認可規制が外れる要件へ近づいた選択",
      "year": 2023,
      "type": "capital",
      "html_url": "https://the-shashi.com/tse/7182/decisions/secondary-offering-2023/"
    }
  ]
}