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Employees' Pension Insurance Act

厚生年金保険法（こうせいねんきんほけんほう）

Every amendment to this law that e-Gov records and, for those whose changes this site has read, what each one changes, provision by provision: the wording before and after, in Japanese and in English, with the words that change marked.

Promulgated, not yet in force

  • 1 December 2026

    in 2 months

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    2 provisions in the supplementary provisions

    See what changes

  • 1 September 2027

    in 11 months

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    2 provisions changed · 3 provisions in the supplementary provisions

    See what changes

  • 1 October 2027

    in 11 months

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    11 provisions in the supplementary provisions

    See what changes

  • 1 April 2028

    in 18 months

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    55 provisions changed · 79 provisions added · 4 provisions removed · 84 provisions in the supplementary provisions · 1 article renumbered

    See what changes

  • 1 September 2028

    in 2 years

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    1 provision changed · 3 provisions in the supplementary provisions

    See what changes

  • 1 April 2029

    in 2 years

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    3 provisions changed · 14 provisions in the supplementary provisions

    See what changes

  • By 19 June 2029

    at the latest, in 3 years

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    5 provisions in the supplementary provisions

    See what changes

  • 1 September 2029

    in 3 years

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    1 provision changed · 3 provisions in the supplementary provisions

    See what changes

  • 1 October 2029

    in 3 years

    Amended by

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    4 provisions changed · 17 provisions removed · 2 provisions in the supplementary provisions

    See what changes

1 more amendment waiting to come into force is listed below; what it changes is not on this site yet.

Other amendments e-Gov records

42 more amendments to this law that e-Gov records with no page of their own here: when each took effect, and the amending law. What each changed is not on this site yet.

  • By 13 June 2028

    at the latest, in 2 years

    Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023)

    民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律

    The whole text as it will read, on e-Gov

  • 1 October 2026

    The text on this site

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    The text after this amendment, on e-Gov

  • 25 May 2026

    Since replaced

    Act on the Promotion of Business Financing, etc. (Act No. 52 of 2024)

    事業性融資の推進等に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2026

    Since replaced

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    The text after this amendment, on e-Gov

  • 1 December 2025

    Since replaced

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    Read the law as it stood until 31 March 2026

    The text after this amendment, on e-Gov

  • 1 October 2025

    Since replaced

    Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023)

    民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 20 June 2025

    Since replaced

    Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

    社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律

    The text after this amendment, on e-Gov

  • 1 June 2025

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Penal Code, etc. (Act No. 68 of 2022)

    刑法等の一部を改正する法律の施行に伴う関係法律の整理等に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2025

    Since replaced

    Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)

    子ども・子育て支援法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2025

    Since replaced

    Act Partially Amending the Employment Insurance Act, etc. (Act No. 14 of 2020)

    雇用保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 October 2024

    Since replaced

    Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)

    子ども・子育て支援法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 October 2024

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 14 June 2024

    Since replaced

    Act on the Promotion of Business Financing, etc. (Act No. 52 of 2024)

    事業性融資の推進等に関する法律

    The text after this amendment, on e-Gov

  • 1 January 2024

    Since replaced

    Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)

    所得税法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 14 June 2023

    Since replaced

    Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023)

    民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2023

    Since replaced

    Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)

    所得税法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2023

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 October 2022

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Establish a Social Security System for All Generations (Act No. 66 of 2021)

    全世代対応型の社会保障制度を構築するための健康保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 October 2022

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 17 June 2022

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Penal Code, etc. (Act No. 68 of 2022)

    刑法等の一部を改正する法律の施行に伴う関係法律の整理等に関する法律

    The text after this amendment, on e-Gov

  • 1 May 2022

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2022

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 January 2022

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Establish a Social Security System for All Generations (Act No. 66 of 2021)

    全世代対応型の社会保障制度を構築するための健康保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 September 2021

    Since replaced

    Act on the Arrangement of Related Acts for the Formation of a Digital Society (Act No. 37 of 2021)

    デジタル社会の形成を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 11 June 2021

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Establish a Social Security System for All Generations (Act No. 66 of 2021)

    全世代対応型の社会保障制度を構築するための健康保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 19 May 2021

    Since replaced

    Act on the Arrangement of Related Acts for the Formation of a Digital Society (Act No. 37 of 2021)

    デジタル社会の形成を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2021

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2021

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Improve the Sustainability of the Public Pension System (Act No. 114 of 2016)

    公的年金制度の持続可能性の向上を図るための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 January 2021

    Since replaced

    Act Partially Amending the Income Tax Act, etc. (Act No. 8 of 2020)

    所得税法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 September 2020

    Since replaced

    Act Partially Amending the Employment Insurance Act, etc. (Act No. 14 of 2020)

    雇用保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 25 June 2020

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 5 June 2020

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020)

    年金制度の機能強化のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act Partially Amending the Income Tax Act, etc. (Act No. 8 of 2020)

    所得税法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act on the Arrangement of Related Acts to Promote Work Style Reform (Act No. 71 of 2018)

    働き方改革を推進するための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code (Act No. 45 of 2017)

    民法の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2019

    Since replaced

    Act on the Arrangement of Related Acts to Promote Work Style Reform (Act No. 71 of 2018)

    働き方改革を推進するための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 6 July 2018

    Since replaced

    Act on the Arrangement of Related Acts to Promote Work Style Reform (Act No. 71 of 2018)

    働き方改革を推進するための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 1 May 2018

    Since replaced

    Act Partially Amending the Defined Contribution Pension Act, etc. (Act No. 66 of 2016)

    確定拠出年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2018

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Improve the Sustainability of the Public Pension System (Act No. 114 of 2016)

    公的年金制度の持続可能性の向上を図るための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 August 2017

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen, etc. the Financial Basis and Minimum Guarantee Function of the Public Pension System (Act No. 62 of 2012)

    公的年金制度の財政基盤及び最低保障機能の強化等のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 2 June 2017

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code (Act No. 45 of 2017)

    民法の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2017

    Since replaced

    Act Partially Amending the National Pension Act, etc. to Strengthen, etc. the Financial Basis and Minimum Guarantee Function of the Public Pension System (Act No. 62 of 2012)

    公的年金制度の財政基盤及び最低保障機能の強化等のための国民年金法等の一部を改正する法律

    The text after this amendment, on e-Gov