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Health Insurance Act

健康保険法（けんこうほけんほう）

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 March 2027

    in 4 months

    Amended by

    Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026)

    健康保険法等の一部を改正する法律

    23 provisions changed · 7 provisions added · 1 provision in the supplementary provisions

    See what changes

  • 1 April 2027

    in 5 months

    Amended by

    Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025)

    医療法等の一部を改正する法律

    4 provisions changed · 3 provisions added · 1 provision in the supplementary provisions

    See what changes

  • 1 April 2027

    in 5 months

    Amended by

    Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026)

    健康保険法等の一部を改正する法律

    4 provisions changed · 1 provision added · 3 provisions in the supplementary provisions

    See what changes

  • 1 April 2027

    in 5 months

    Amended by

    Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026)

    社会福祉法等の一部を改正する法律

    2 provisions changed · 3 provisions in the supplementary provisions

    See what changes

  • 20 May 2027

    in 7 months

    Amended by

    Act Partially Amending the Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices, etc. (Act No. 37 of 2025)

    医薬品、医療機器等の品質、有効性及び安全性の確保等に関する法律等の一部を改正する法律

    1 provision 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

    5 provisions in the supplementary provisions

    See what changes

  • By 4 June 2028

    at the latest, in 2 years

    Amended by

    Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026)

    健康保険法等の一部を改正する法律

    84 provisions changed · 127 provisions added · 1 provision removed · 10 provisions in the supplementary provisions

    See what changes

  • By 11 December 2028

    at the latest, in 2 years

    Amended by

    Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025)

    医療法等の一部を改正する法律

    17 provisions changed · 14 provisions added · 2 provisions in the supplementary provisions · 4 articles renumbered

    See what changes

  • By 24 June 2029

    at the latest, in 3 years

    Amended by

    Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026)

    社会福祉法等の一部を改正する法律

    2 provisions changed

    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

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

    See what changes

Other amendments e-Gov records

53 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.

  • 1 October 2026

    The text on this site

    Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025)

    医療法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 October 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 August 2026

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026)

    健康保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 5 June 2026

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026)

    健康保険法等の一部を改正する法律

    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 Medical Care Act, etc. (Act No. 87 of 2025)

    医療法等の一部を改正する法律

    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 April 2026

    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 2026

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023)

    全世代対応型の持続可能な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

  • 12 December 2025

    Since replaced

    Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025)

    医療法等の一部を改正する法律

    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

  • 2 December 2024

    Since replaced

    Act Partially Amending the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023)

    行政手続における特定の個人を識別するための番号の利用等に関する法律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

  • 12 June 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 April 2024

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023)

    全世代対応型の持続可能な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 April 2024

    Since replaced

    Act Partially Amending the Act on the Prevention of Infectious Diseases and Medical Care for Patients with Infectious Diseases, etc. (Act No. 96 of 2022)

    感染症の予防及び感染症の患者に対する医療に関する法律等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 March 2024

    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 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

  • 9 June 2023

    Since replaced

    Act Partially Amending the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023)

    行政手続における特定の個人を識別するための番号の利用等に関する法律等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 19 May 2023

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023)

    全世代対応型の持続可能な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

  • 11 May 2023

    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 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

  • 9 December 2022

    Since replaced

    Act Partially Amending the Act on the Prevention of Infectious Diseases and Medical Care for Patients with Infectious Diseases, etc. (Act No. 96 of 2022)

    感染症の予防及び感染症の患者に対する医療に関する法律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 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 April 2022

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Ensure the Proper and Efficient Administration of the Medical Insurance System (Act No. 9 of 2019)

    医療保険制度の適正かつ効率的な運営を図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 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

  • 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 Health Insurance Act, etc. to Ensure the Proper and Efficient Administration of the Medical Insurance System (Act No. 9 of 2019)

    医療保険制度の適正かつ効率的な運営を図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 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 October 2020

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Ensure the Proper and Efficient Administration of the Medical Insurance System (Act No. 9 of 2019)

    医療保険制度の適正かつ効率的な運営を図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

  • 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 Partially Amending the Health Insurance Act, etc. to Ensure the Proper and Efficient Administration of the Medical Insurance System (Act No. 9 of 2019)

    医療保険制度の適正かつ効率的な運営を図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 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 October 2019

    Since replaced

    Act on Payment of Benefits for Supporting the Livelihood of Pension Recipients (Act No. 102 of 2012)

    年金生活者支援給付金の支給に関する法律

    The text after this amendment, on e-Gov

  • 22 May 2019

    Since replaced

    Act Partially Amending the Health Insurance Act, etc. to Ensure the Proper and Efficient Administration of the Medical Insurance System (Act No. 9 of 2019)

    医療保険制度の適正かつ効率的な運営を図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 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

  • 25 July 2018

    Since replaced

    Act Partially Amending the Medical Care Act and the Medical Practitioners' Act (Act No. 79 of 2018)

    医療法及び医師法の一部を改正する法律

    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 April 2018

    Since replaced

    Act Partially Amending the Long-Term Care Insurance Act, etc. to Strengthen the Community-based Integrated Care System (Act No. 52 of 2017)

    地域包括ケアシステムの強化のための介護保険法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 July 2017

    Since replaced

    Act Partially Amending the Long-Term Care Insurance Act, etc. to Strengthen the Community-based Integrated Care System (Act No. 52 of 2017)

    地域包括ケアシステムの強化のための介護保険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 Partially Amending the Long-Term Care Insurance Act, etc. to Strengthen the Community-based Integrated Care System (Act No. 52 of 2017)

    地域包括ケアシステムの強化のための介護保険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 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 April 2017

    Since replaced

    Act Partially Amending the National Health Insurance Act, etc. to Establish a Sustainable Medical Insurance System (Act No. 31 of 2015)

    持続可能な医療保険制度を構築するための国民健康保険法等の一部を改正する法律

    The text after this amendment, on e-Gov