# 健康保険法 / Health Insurance Act — 第百六十一条 (Article 161)

- Law: 健康保険法 (Health Insurance Act), 大正十一年法律第七十号
- English title "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: 第百六十一条 (Article 161)（保険料の負担及び納付義務） — address `art-161`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/health-insurance-act/art-161
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/211AC0000000070/art-161
- Every provision below carries its address and both URLs 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.

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### 第百六十一条（保険料の負担及び納付義務） — (Share and Payment Obligation for Insurance Premiums)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-161 · https://japanlaw.org/ja/health-insurance-act/art-161 · https://japanlaw.org/l/211AC0000000070/art-161</sup>

**第一項**  被保険者及び被保険者を使用する事業主は、それぞれ保険料額の二分の一を負担する。ただし、任意継続被保険者は、その全額を負担する。
<sup>art-161/par-1 · https://japanlaw.org/ja/health-insurance-act/art-161/par-1 · https://japanlaw.org/l/211AC0000000070/art-161/par-1</sup>
Insured persons and their employers each bear half of the amount of insurance premiums; however, insured persons with optional and continued coverage bear the entire amount.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  事業主は、その使用する被保険者及び自己の負担する保険料を納付する義務を負う。
<sup>art-161/par-2 · https://japanlaw.org/ja/health-insurance-act/art-161/par-2 · https://japanlaw.org/l/211AC0000000070/art-161/par-2</sup>
An employer is obliged to pay the insurance premiums shared between itself and the insured persons it employs.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第三項**  任意継続被保険者は、自己の負担する保険料を納付する義務を負う。
<sup>art-161/par-3 · https://japanlaw.org/ja/health-insurance-act/art-161/par-3 · https://japanlaw.org/l/211AC0000000070/art-161/par-3</sup>
An insured person with optional and continued coverage is obliged to pay the insurance premiums the person shares.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第四項**  被保険者が同時に二以上の事業所に使用される場合における各事業主の負担すべき保険料の額及び保険料の納付義務については、政令で定めるところによる。
<sup>art-161/par-4 · https://japanlaw.org/ja/health-insurance-act/art-161/par-4 · https://japanlaw.org/l/211AC0000000070/art-161/par-4</sup>
The amount of insurance premiums to be borne by each employer and the payment obligation for insurance premiums when an insured person is employed at two or more places of business at the same time are specified by Cabinet Order.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

## Cited by

5 provisions cite this one. No official source publishes this direction.

- 健康保険法 第百六十二条第一項（健康保険組合の保険料の負担割合の特例） — https://japanlaw.org/ja/health-insurance-act/art-162/par-1 · https://japanlaw.org/l/211AC0000000070/art-162/par-1
- 健康保険法 第二百八条第一項第三号 — https://japanlaw.org/ja/health-insurance-act/art-208/par-1/item-3 · https://japanlaw.org/l/211AC0000000070/art-208/par-1/item-3
- 健康保険法 附則第二条第七項（健康保険組合の財政調整） — https://japanlaw.org/ja/health-insurance-act/suppl-2111-70/art-2/par-7 · https://japanlaw.org/l/211AC0000000070/suppl-2111-70/art-2/par-7
- 健康保険法 附則第二十四条第一項（短時間被保険者に係る健康保険料に関する経過措置） — https://japanlaw.org/ja/health-insurance-act/suppl-5071-74/art-24/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-5071-74/art-24/par-1
- 健康保険法 附則第二十五条第一項 — https://japanlaw.org/ja/health-insurance-act/suppl-5071-74/art-25/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-5071-74/art-25/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 健康保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/211AC0000000070/20261001_507AC0000000087), retrieved 2026-10-10
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Health Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3266/tb), retrieved 2026-10-10
- This site's parser, version 189 — 健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-10
