{
  "spec_version": "4",
  "endpoint": "financials-employee",
  "stock_code": "4523",
  "company_name": "エーザイ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4523/current/#metrics-workforce",
  "api_url": "/api/4523/financials/employee.json",
  "updated": "2026-09-18",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4523/current/#metrics-workforce",
  "source": {
    "employee": {
      "primary": [
        "有価証券報告書（従業員の状況）"
      ],
      "extraction": "EDINET の XBRL から機械抽出",
      "caveat": "平均年間給与・平均年齢・平均勤続年数は提出会社（単体）ベース。従業員数は連結/単体を列で区別している"
    }
  },
  "html_url": "https://the-shashi.com/tse/4523/current/#metrics-workforce",
  "employee": [
    {
      "FY": "FY16",
      "period": "2017/3",
      "consolidated_employees": 10452,
      "non_consolidated_employees": 3246,
      "temp_employees": null,
      "avg_salary": 10389,
      "avg_age": null,
      "avg_tenure_years": 19.9
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "consolidated_employees": 10456,
      "non_consolidated_employees": 3172,
      "temp_employees": null,
      "avg_salary": 10447,
      "avg_age": null,
      "avg_tenure_years": 20.2
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "consolidated_employees": 10683,
      "non_consolidated_employees": 3140,
      "temp_employees": null,
      "avg_salary": 10992,
      "avg_age": 45.2,
      "avg_tenure_years": 20.6
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "consolidated_employees": 10998,
      "non_consolidated_employees": 2953,
      "temp_employees": null,
      "avg_salary": 10370,
      "avg_age": 44.4,
      "avg_tenure_years": 19.4
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "consolidated_employees": 11237,
      "non_consolidated_employees": 3005,
      "temp_employees": null,
      "avg_salary": 10424,
      "avg_age": 43.9,
      "avg_tenure_years": 18.5
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "consolidated_employees": 11322,
      "non_consolidated_employees": 3034,
      "temp_employees": null,
      "avg_salary": 9201,
      "avg_age": 43,
      "avg_tenure_years": 17.4
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "consolidated_employees": 11076,
      "non_consolidated_employees": 3043,
      "temp_employees": null,
      "avg_salary": 10502,
      "avg_age": 43.6,
      "avg_tenure_years": 17.9
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "consolidated_employees": 11067,
      "non_consolidated_employees": 2984,
      "temp_employees": null,
      "avg_salary": 10538,
      "avg_age": 44.2,
      "avg_tenure_years": 18.5
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "consolidated_employees": 10917,
      "non_consolidated_employees": 2998,
      "temp_employees": null,
      "avg_salary": 10556,
      "avg_age": 44.6,
      "avg_tenure_years": 18.5
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "consolidated_employees": 10543,
      "non_consolidated_employees": 2979,
      "temp_employees": null,
      "avg_salary": 11233,
      "avg_age": 44.5,
      "avg_tenure_years": 18.5
    }
  ]
}