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Development of a model for post-retirement cost of living for the junior baby boomers : A study of the role of the pension system in dividing public and private sector

Research Project

Project/Area Number 17K04303
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Social welfare and social work studies
Research InstitutionNational Institute of Population and Social Security Research

Principal Investigator

Yamamoto Katsuya  国立社会保障・人口問題研究所, 社会保障基礎理論研究部, 部長 (30415822)

Co-Investigator(Kenkyū-buntansha) Ishida Shigenori  関西大学, 政策創造学部, 教授 (50232301)
Sato Itaru  国立社会保障・人口問題研究所, 社会保障基礎理論研究部, 第1室長 (50506409)
Inoue Nozomu  国立社会保障・人口問題研究所, 社会保障基礎理論研究部, 研究員 (30827754)
Project Period (FY) 2017 – 2019
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords団塊ジュニア / 老後生計費 / マイクロシミュレーションモデル / 公的年金 / 個人年金 / 生活保護 / 社会保障 / 社会福祉政策 / 社会保障・社会福祉政策 / 世代重複モデル / 企業年金
Outline of Final Research Achievements

We conduct micro analyses of retirement living costs for the junior baby-boom generation using an actuarial model and a microsimulation model, by formal and informal status and by household type.
First, we create a post-retirement living cost model for the junior baby-boom generation that takes into account medical and nursing care costs, and look at household income and expenditure after the start of pension benefits. Second, we used a microsimulation model to look at the amount of employee pension benefits by age in the years when the junior and post-boomers reach the age of 65 or older. We find that the pensions of these generations are, on average, slightly lower than those of other generations, and that the distribution of benefit levels tends to be skewed in the lower direction for males when compared to generations prior to the junior baby-boom generation.

Academic Significance and Societal Importance of the Research Achievements

試算した年金の受給を繰り下げられれば、65歳以上の“赤字”をある程度解消できることが明らかになった。なお、基礎年金のみを受給せざるを得ない国民年金の受給者の貧困リスクは高く、基礎年金の減額は生活保護を前提とした老後生計費設計になるというサインを国民一般に出すことになることが明らかになった。
マイクロシミュレーションの結果と生計費の比較を行うと、老後の基礎的消費のみをまかなうだけであれば、基礎年金でも可能であるが、基礎的消費を超える水準の消費を目指すのであれば、正規雇用者の平均的な賃金・年金に近い水準が必要であることが明らかになった。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (16 results)

All 2019 2018 2017

All Journal Article (9 results) Presentation (7 results) (of which Int'l Joint Research: 4 results,  Invited: 4 results)

  • [Journal Article] 人口減少社会における働き方改革2019

    • Author(s)
      石田成則
    • Journal Title

      週刊社会保障

      Volume: No.3011(2019年2月25日号) Pages: 44-47

    • NAID

      40021815248

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
  • [Journal Article] 大阪の都市貧困問題とその対応策の検討2019

    • Author(s)
      石田成則
    • Journal Title

      セミナー年報2018

      Volume: 2019年3月31日号 Pages: 33-49

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
  • [Journal Article] 就職氷河期世代・非正規職の老後生計費に関する一考察2019

    • Author(s)
      山本克也
    • Journal Title

      日本年金学会誌

      Volume: 38 Pages: 76-83

    • NAID

      130007651040

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
  • [Journal Article] 年金給付水準の低下と要介護高齢者の生活困窮2019

    • Author(s)
      山本克也
    • Journal Title

      貧困研究

      Issue: 23 Pages: 23-32

    • Related Report
      2019 Annual Research Report
  • [Journal Article] 就職氷河期世代の老後生計費に関する予想2019

    • Author(s)
      山本克也
    • Journal Title

      月刊『企業年金』

      Volume: 2019年6月号 Pages: 22-23

    • Related Report
      2019 Annual Research Report
  • [Journal Article] 長寿を“寿(ことぶき)”にするための老後の備え2019

    • Author(s)
      山本克也
    • Journal Title

      統計

      Volume: 2019年9月号 Pages: 26-33

    • Related Report
      2019 Annual Research Report
  • [Journal Article] 基礎年金水準調整分と生活扶助基準の低下の高齢被保護世帯に対する効果分析2018

    • Author(s)
      山本克也
    • Journal Title

      年金と経済

      Volume: 37 Issue: 3 Pages: 41-49

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
  • [Journal Article] 働き方改革と公私年金制度2018

    • Author(s)
      石田成則
    • Journal Title

      年金情報

      Volume: No.775(9月3日号) Pages: 20-20

    • Related Report
      2019 Annual Research Report
  • [Journal Article] 働き方改革と公私年金制度2018

    • Author(s)
      石田成則
    • Journal Title

      『年金情報』

      Volume: 775 Pages: 20-20

    • Related Report
      2018 Research-status Report
  • [Presentation] マイクロシミュレーションを用いた団塊ジュニア世代・ポスト団塊ジュニア世代の老後生計費に関する一試算2019

    • Author(s)
      佐藤格・山本克也
    • Organizer
      生活経済学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Ideal Community Networks for Vulnerable Group during Disaster2018

    • Author(s)
      Shigenori, Ishida
    • Organizer
      2018 Joint APRIA-IRFRC Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] How to expand the pension system -from the view point of pension adequacy-2018

    • Author(s)
      Katsuya Yamamoto
    • Organizer
      Korea OECD Policy Center
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 団塊ジュニアの老後生計費に関する一考察2018

    • Author(s)
      山本克也
    • Organizer
      日本年金学会
    • Related Report
      2019 Annual Research Report 2018 Research-status Report
  • [Presentation] How to expand the pension system -from the view point of pension adequacy-2018

    • Author(s)
      Katsuya Yamamoto
    • Organizer
      13th Pension Expert Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Ideal Community Networks for Vulnerable Groups during Disaster2018

    • Author(s)
      Shigenori Ishida
    • Organizer
      2018 Joint APRIA-IRFRC Conference
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Ageing and expansion for social insurance pension2017

    • Author(s)
      山本克也
    • Organizer
      OECD Korea Policy Center
    • Related Report
      2017 Research-status Report
    • Invited

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Published: 2017-04-28   Modified: 2023-03-30  

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