# 国民健康保険法 / National Health Insurance Act — 第一章 (Chapter 1) - Law: 国民健康保険法 (National Health Insurance Act), 昭和三十三年法律第百九十二号 - English title "National Health Insurance Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第一章 (Chapter 1) — address `ch-1` - Text: the text as amended with effect from 2028-06-24 (On a day set by Cabinet Order, no later than 24 June 2028 — the amending law allows up to two years from promulgation. The exact day is not fixed yet.), standing until 2028-12-10 as now scheduled, since the next amendment's day is not fixed — NOT yet in force (revision 20280624_508AC0000000051) - URL (this text's page, at this provision): https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1 - The same address in the text in force (its wording there may differ): https://japanlaw.org/ja/national-health-insurance-act/ch-1 - Every provision below carries its address and its place on this text's page on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. The Ministry's English is given only where this text's Japanese is a wording the Ministry translated — the same as the text in force, or for a text not yet in force, a wording it translated ahead; every other paragraph's English is machine translation. --- ## 第一章　総則 — Chapter I General Provisions heading: Ministry of Justice translation — Japanese Law Translation Database System ch-1 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1 ### 第一条（この法律の目的） — (Purpose of This Act) caption: Ministry of Justice translation — Japanese Law Translation Database System art-1 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-1 **第一項** この法律は、国民健康保険事業の健全な運営を確保し、もつて社会保障及び国民保健の向上に寄与することを目的とする。 art-1/par-1 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-1/par-1 The purpose of this Act is to ensure the sound administration of national health insurance services, thereby contributing to the improvement of social security and the health of the people. Ministry of Justice translation — Japanese Law Translation Database System ### 第二条（国民健康保険） — (National Health Insurance) caption: Ministry of Justice translation — Japanese Law Translation Database System art-2 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-2 **第一項** 国民健康保険は、被保険者の疾病、負傷、出産又は死亡に関して必要な保険給付を行うものとする。 art-2/par-1 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-2/par-1 National health insurance programs shall pay the necessary insurance benefits in relation to an insured persons' illness, injury, childbirth or death. Ministry of Justice translation — Japanese Law Translation Database System ### 第三条（保険者） — (Insurers) caption: Ministry of Justice translation — Japanese Law Translation Database System art-3 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-3 **第一項** 都道府県は、当該都道府県内の市町村（特別区を含む。以下同じ。）とともに、この法律の定めるところにより、国民健康保険を行うものとする。 art-3/par-1 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-3/par-1 A prefecture is to provide national health insurance, together with the Municipalities (including special wards; the same applies hereinafter) within that prefecture, pursuant to the provisions of this Act. machine translation, not official **第二項** 国民健康保険組合は、この法律の定めるところにより、国民健康保険を行うことができる。 art-3/par-2 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-3/par-2 National health insurance societies may provide a national health insurance program pursuant to the provisions of this Act. Ministry of Justice translation — Japanese Law Translation Database System ### 第四条（国、都道府県及び市町村の責務） — Responsibilities of the National Government, Prefectures and Municipalities caption: machine translation, not official art-4 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4 **第一項** 国は、国民健康保険事業の運営が健全に行われるよう必要な各般の措置を講ずるとともに、第一条に規定する目的の達成に資するため、保健、医療及び福祉に関する施策その他の関連施策を積極的に推進するものとする。 art-4/par-1 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-1 The national government is to take various necessary measures so that national health insurance services are administered soundly and, in order to contribute to the achievement of the purpose prescribed in Article 1, is to actively promote measures concerning health, medical care and welfare and other related measures. machine translation, not official **第二項** 都道府県は、安定的な財政運営、市町村の国民健康保険事業の効率的な実施の確保その他の都道府県及び当該都道府県内の市町村の国民健康保険事業の健全な運営について中心的な役割を果たすものとする。 art-4/par-2 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-2 A prefecture is to play a central role in stable financial management, ensuring the efficient implementation of national health insurance services by Municipalities, and otherwise in the sound administration of the national health insurance services of the prefecture and of the Municipalities within that prefecture. machine translation, not official **第三項** 市町村は、被保険者の資格の取得及び喪失に関する事項、国民健康保険の保険料（地方税法（昭和二十五年法律第二百二十六号）の規定による国民健康保険税を含む。第十一条第二項、第五十四条の三第一項、第二項及び第五項、第六十三条の二、第八十一条の二第一項各号並びに第十一項第二号及び第三号並びに第八十二条の二第二項第二号及び第三号並びに第六項において同じ。）の徴収、保健事業の実施その他の国民健康保険事業を適切に実施するものとする。 art-4/par-3 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-3 A Municipality is to appropriately implement national health insurance services, including matters concerning the acquisition and loss of eligibility as an insured person, the collection of national health insurance premiums (including national health insurance tax under the Local Tax Act (Act No. 226 of 1950); the same applies in Article 11, paragraph (2), Article 54-3, paragraphs (1), (2) and (5), Article 63-2, Article 81-2, paragraph (1), each item, and paragraph (11), items (ii) and (iii), and Article 82-2, paragraph (2), items (ii) and (iii), and paragraph (6)), and the implementation of health services. machine translation, not official **第四項** 都道府県及び市町村は、前二項の責務を果たすため、保健医療サービス及び福祉サービスに関する施策その他の関連施策との有機的な連携を図るものとする。 art-4/par-4 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-4 In order to fulfill the responsibilities under the preceding two paragraphs, prefectures and Municipalities are to seek organic coordination with measures concerning health and medical services and welfare services and other related measures. machine translation, not official **第五項** 都道府県は、第二項及び前項に規定するもののほか、国民健康保険事業の運営が適切かつ円滑に行われるよう、国民健康保険組合その他の関係者に対し、必要な指導及び助言を行うものとする。 art-4/par-5 · https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-5 In addition to what is prescribed in paragraph (2) and the preceding paragraph, a prefecture is to provide necessary guidance and advice to National Health Insurance Societies and other persons involved, so that the administration of national health insurance services is carried out appropriately and smoothly. machine translation, not official --- ## Cites - art-4/par-1: 第一条 → 国民健康保険法 第一条 (Article 1), art-1 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-1 - art-4/par-3: 第十一条第二項 → 国民健康保険法 第十一条第二項 (Article 11, paragraph (2)), art-11/par-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-2#art-11/par-2 - art-4/par-3: 第五十四条の三第一項 → 国民健康保険法 第五十四条の三第一項 (Article 54-3, paragraph (1)), art-54-3/par-1 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-4/from-art-54-2-2#art-54-3/par-1 - art-4/par-3: 第二項 → 国民健康保険法 第五十四条の三第二項 (Article 54-3, paragraph (2)), art-54-3/par-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-4/from-art-54-2-2#art-54-3/par-2 - art-4/par-3: 第五項 → 国民健康保険法 第五十四条の三第五項 (Article 54-3, paragraph (5)), art-54-3/par-5 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-4/from-art-54-2-2#art-54-3/par-5 - art-4/par-3: 第六十三条の二 → 国民健康保険法 第六十三条の二 (Article 63-2), art-63-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-4/from-art-57-3#art-63-2 - art-4/par-3: 第八十一条の二第一項 → 国民健康保険法 第八十一条の二第一項 (Article 81-2, paragraph (1)), art-81-2/par-1 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-5/from-art-80-2#art-81-2/par-1 - art-4/par-3: 第十一項第二号 → 国民健康保険法 第八十一条の二第十一項第二号 (Article 81-2, paragraph (11), item (ii)), art-81-2/par-11/item-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-5/from-art-80-2#art-81-2/par-11/item-2 - art-4/par-3: 第三号 → 国民健康保険法 第八十一条の二第十一項第三号 (Article 81-2, paragraph (11), item (iii)), art-81-2/par-11/item-3 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-5/from-art-80-2#art-81-2/par-11/item-3 - art-4/par-3: 第八十二条の二第二項第二号 → 国民健康保険法 第八十二条の二第二項第二号 (Article 82-2, paragraph (2), item (ii)), art-82-2/par-2/item-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-6-2#art-82-2/par-2/item-2 - art-4/par-3: 第三号 → 国民健康保険法 第八十二条の二第二項第三号 (Article 82-2, paragraph (2), item (iii)), art-82-2/par-2/item-3 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-6-2#art-82-2/par-2/item-3 - art-4/par-3: 第六項 → 国民健康保険法 第八十二条の二第六項 (Article 82-2, paragraph (6)), art-82-2/par-6 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-6-2#art-82-2/par-6 - art-4/par-4: 前二項 → 国民健康保険法 第四条第二項 (Article 4, paragraph (2)), art-4/par-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-2 - art-4/par-4: 前二項 → 国民健康保険法 第四条第三項 (Article 4, paragraph (3)), art-4/par-3 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-3 - art-4/par-5: 第二項 → 国民健康保険法 第四条第二項 (Article 4, paragraph (2)), art-4/par-2 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-2 - art-4/par-5: 前項 → 国民健康保険法 第四条第四項 (Article 4, paragraph (4)), art-4/par-4 — https://japanlaw.org/ja/national-health-insurance-act/amendments/20280624_508AC0000000051/text/ch-1#art-4/par-4 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 国民健康保険法 — the text as 令和八年法律第五十一号 leaves it, from a date not yet fixed (https://laws.e-gov.go.jp/law/333AC0000000192/20280624_508AC0000000051), retrieved 2026-10-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — National Health Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/2453/tb), retrieved 2026-10-17 - claude-sonnet-5-5 — Machine translation, batch national-health-insurance-act-20261017T183826-001, translated 2026-10-18 - claude-sonnet-5-5 — Machine translation of amended wording, batch national-health-insurance-act-amendments-20261017T193814-001, translated 2026-10-18 - This site's parser, version 209 — 国民健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-17