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National Pension Act

国民年金法(こくみんねんきんほう)

Chapter III Benefits (Articles 15 to 22)

The law as 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) leaves it, with the words it changes marked.

The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.

Chapter III Benefits第三章 給付

Section 1 Common Provisions第一節 通則

Article 15第十五条

Types of Benefits(給付の種類)
Article 15, paragraph (1)

The benefits under this Act (hereinafter simply referred to as "benefits") are as follows.

この法律による給付(以下単に「給付」という。)は、次のとおりとする。

Article 15, paragraph (1), item (i)

Old-age basic pension;

老齢基礎年金

Article 15, paragraph (1), item (ii)

Disability basic pension;

障害基礎年金

Article 15, paragraph (1), item (iii)

Survivors' basic pension;

遺族基礎年金

Article 15, paragraph (1), item (iv)

Additional pension, widow's pension, and death lump-sum payment.

付加年金、寡婦年金及び死亡一時金

Article 16第十六条

Decision(裁定)
Article 16, paragraph (1)

The right to receive a benefit is decided by the Minister of Health, Labour and Welfare based on the claim of the person who holds that right (hereinafter referred to as a "person entitled to receive a benefit").

給付を受ける権利は、その権利を有する者(以下「受給権者」という。)の請求に基いて、厚生労働大臣が裁定する。

Article 16-2第十六条の二

Adjustment Period(調整期間)
Article 16-2, paragraph (1)

When preparing the current state and outlook of finances under the provisions of Article 4-3, paragraph (1), the government is, if it is expected that the finances of the National Pension program will be unable to maintain their balance over the financial equilibrium period while holding the reserve fund (meaning the reserve fund of the National Pension Account of the Pension Special Account; the same applies in Chapter V) necessary to prevent a disruption in the payment of benefits at the end of the financial equilibrium period, to adjust the amount of benefits that are pensions (excluding the additional pension) (hereinafter in this paragraph referred to as the "benefit amount"), and is to specify by Cabinet Order the fiscal year in which the period for adjusting the benefit amount (hereinafter referred to as the "adjustment period") begins.

政府は、第四条の三第一項の規定により財政の現況及び見通しを作成するに当たり、国民年金事業の財政が、財政均衡期間の終了時に給付の支給に支障が生じないようにするために必要な積立金(年金特別会計の国民年金勘定の積立金をいう。第五章において同じ。)を保有しつつ当該財政均衡期間にわたつてその均衡を保つことができないと見込まれる場合には、年金たる給付(付加年金を除く。)の額(以下この項において「給付額」という。)を調整するものとし、政令で、給付額を調整する期間(以下「調整期間」という。)の開始年度を定めるものとする。

Article 16-2, paragraph (2)

When it is found, in the current state and outlook of finances, that the adjustment under the preceding paragraph is no longer necessary, the fiscal year in which the adjustment period ends is to be specified by Cabinet Order.

財政の現況及び見通しにおいて、前項の調整を行う必要がなくなつたと認められるときは、政令で、調整期間の終了年度を定めるものとする。

Article 16-2, paragraph (3)

When the government prepares the current state and outlook of finances during the adjustment period, it must also prepare the outlook for the fiscal year in which the adjustment period ends, and must make this public together with it.

政府は、調整期間において財政の現況及び見通しを作成するときは、調整期間の終了年度の見通しについても作成し、併せて、これを公表しなければならない。

Article 17第十七条

Treatment of Fractions(端数処理)
Article 17, paragraph (1)

When deciding the right to receive a benefit that is a pension (hereinafter referred to as a "pension benefit"), or when revising the amount of a pension benefit, if a fraction of less than 50 sen arises in the amount of the pension benefit, it is to be rounded down, and if a fraction of 50 sen or more but less than 1 yen arises, it is to be rounded up to 1 yen.

年金たる給付(以下「年金給付」という。)を受ける権利を裁定する場合又は年金給付の額を改定する場合において、年金給付の額に五十銭未満の端数が生じたときは、これを切り捨て、五十銭以上一円未満の端数が生じたときは、これを一円に切り上げるものとする。

Article 17, paragraph (2)

Beyond what is prescribed in the preceding paragraph, the treatment of a fraction of less than 1 yen that arises when calculating the amount of a pension benefit is specified by Cabinet Order.

前項に規定するもののほか、年金給付の額を計算する場合において生じる一円未満の端数の処理については、政令で定める。

Article 18第十八条

Period of Payment of the Pension and Payment Months(年金の支給期間及び支払期月)
Article 18, paragraph (1)

Payment of a pension benefit is to begin from the month following the month in which the day on which the grounds for payment arose falls, and is to end with the month in which the day on which the right was extinguished falls.

年金給付の支給は、これを支給すべき事由が生じた日の属する月の翌月から始め、権利が消滅した日の属する月で終るものとする。

Article 18, paragraph (2)

When grounds for suspending the payment of a pension benefit arise, payment is suspended for the portion from the month following the month in which the day on which the grounds arose falls, through the month in which the day on which the grounds ceased to exist falls. However, if these days fall within the same month, payment is not suspended.

年金給付は、その支給を停止すべき事由が生じたときは、その事由が生じた日の属する月の翌月からその事由が消滅した日の属する月までの分の支給を停止する。ただし、これらの日が同じ月に属する場合は、支給を停止しない。

Article 18, paragraph (3)

A pension benefit is paid, in six installments each year, in February, April, June, August, October, and December, for the portion up to the month preceding each such month. However, a pension that should have been paid in the preceding payment month, or the pension for the installment in a case where the right has been extinguished or the payment of the pension has been suspended, is to be paid even in a month that is not a payment month.

年金給付は、毎年二月、四月、六月、八月、十月及び十二月の六期に、それぞれの前月までの分を支払う。ただし、前支払期月に支払うべきであつた年金又は権利が消滅した場合若しくは年金の支給を停止した場合におけるその期の年金は、その支払期月でない月であつても、支払うものとする。

Article 18-2第十八条の二

Addition to the Pension Paid in the February Payment(二月期支払の年金の加算)
Article 18-2, paragraph (1)

When a fraction of less than 1 yen arises in the amount paid under the provisions of paragraph (3) of the preceding Article, it is to be rounded down.

前条第三項の規定による支払額に一円未満の端数が生じたときは、これを切り捨てるものとする。

Article 18-2, paragraph (2)

The total of the amounts rounded down under the provisions of the preceding paragraph during the period from March each year to February of the following year (or, if a fraction of less than 1 yen arises in that total, the amount after that fraction is rounded down) is to be added to the pension amount for the payment month of that February.

毎年三月から翌年二月までの間において前項の規定により切り捨てた金額の合計額(一円未満の端数が生じたときは、これを切り捨てた額)については、これを当該二月の支払期月の年金額に加算するものとする。

Article 18-3第十八条の三

Presumption of Death(死亡の推定)
Article 18-3, paragraph (1)

If, where a vessel has sunk, capsized, been lost, or gone missing, it is unknown for three months whether a person who was actually on board the vessel at the time, or a person who was on board the vessel and went missing while the vessel was navigating, is alive or dead, or if the death of such a person becomes clear within three months but the time of death is unknown, then, for the purposes of applying the provisions concerning the payment of a benefit for which death is the ground for payment, that person is presumed to have died on the day on which the vessel sank, capsized, was lost, or went missing, or on the day on which the person went missing. The same applies where an aircraft has crashed, been lost, or gone missing, and it is unknown for three months whether a person who was actually on board the aircraft at the time, or a person who was on board the aircraft and went missing while the aircraft was navigating, is alive or dead, or where the death of such a person becomes clear within three months but the time of death is unknown.

船舶が沈没し、転覆し、滅失し、若しくは行方不明となつた際現にその船舶に乗つていた者若しくは船舶に乗つていてその船舶の航行中に行方不明となつた者の生死が三箇月間分らない場合又はこれらの者の死亡が三箇月以内に明らかとなり、かつ、その死亡の時期が分らない場合には、死亡を支給事由とする給付の支給に関する規定の適用については、その船舶が沈没し、転覆し、滅失し、若しくは行方不明となつた日又はその者が行方不明となつた日に、その者は、死亡したものと推定する。航空機が墜落し、滅失し、若しくは行方不明となつた際現にその航空機に乗つていた者若しくは航空機に乗つていてその航空機の航行中に行方不明となつた者の生死が三箇月間分らない場合又はこれらの者の死亡が三箇月以内に明らかとなり、かつ、その死亡の時期が分らない場合にも、同様とする。

Article 18-4第十八条の四

Treatment in the Case of Adjudication of Disappearance(失踪宣告の場合の取扱い)
Article 18-4, paragraph (1)

For the purposes of applying the provisions concerning the payment of a benefit for which death is the ground for payment, relating to a person who is deemed to have died as a result of receiving an adjudication of disappearance, the term "date of death" in Article 37, Article 37-2, Article 49, paragraph (1), Article 52-2, paragraph (1), and Article 52-3, paragraph (1) is deemed to be replaced with "the day on which the person went missing", and the term "at the time of death" is deemed to be replaced with "at the time the person went missing". However, this does not apply to the application of these provisions relating to the familial relationship, age, and state of disability of a person entitled to receive a benefit, or of a person who is a requirement for the payment of a benefit or is the subject of an addition to its amount.

失踪の宣告を受けたことにより死亡したとみなされた者に係る死亡を支給事由とする給付の支給に関する規定の適用については、第三十七条、第三十七条の二、第四十九条第一項、第五十二条の二第一項及び第五十二条の三第一項中「死亡日」とあるのは「行方不明となつた日」とし、「死亡の当時」とあるのは「行方不明となつた当時」とする。ただし、受給権者又は給付の支給の要件となり、若しくはその額の加算の対象となる者の身分関係、年齢及び障害の状態に係るこれらの規定の適用については、この限りでない。

Article 19第十九条

Unpaid Pension(未支給年金)
Article 19, paragraph (1)

Where a person entitled to receive a pension benefit has died, if there is a pension benefit that should have been paid to the deceased person but has not yet been paid to that person, the spouse, child, parent, grandchild, grandparent, or sibling of that person, or a relative within the third degree of kinship other than these persons, who shared living expenses with that person at the time of that person's death, may, in their own name, claim payment of that unpaid pension.

年金給付の受給権者が死亡した場合において、その死亡した者に支給すべき年金給付でまだその者に支給しなかつたものがあるときは、その者の配偶者、子、父母、孫、祖父母、兄弟姉妹又はこれらの者以外の三親等内の親族であつて、その者の死亡の当時その者と生計を同じくしていたものは、自己の名で、その未支給の年金の支給を請求することができる。

Article 19, paragraph (2)

In the case referred to in the preceding paragraph, if the deceased person was a person entitled to receive a survivors' basic pension, a child of the insured person or person who was an insured person that, at the time of that person's death, constituted a requirement for the payment of that survivors' basic pension or was the subject of an addition to its amount, is deemed to be a child as prescribed in that paragraph.

前項の場合において、死亡した者が遺族基礎年金の受給権者であつたときは、その者の死亡の当時当該遺族基礎年金の支給の要件となり、又はその額の加算の対象となつていた被保険者又は被保険者であつた者の子は、同項に規定する子とみなす。

Article 19, paragraph (3)

In the case referred to in paragraph (1), if the deceased person entitled to receive a benefit had not claimed that pension before death, a person prescribed in that paragraph may, in their own name, claim that pension.

第一項の場合において、死亡した受給権者が死亡前にその年金を請求していなかつたときは、同項に規定する者は、自己の名で、その年金を請求することができる。

Article 19, paragraph (4)

The order of priority of persons entitled to receive an unpaid pension is specified by Cabinet Order.

未支給の年金を受けるべき者の順位は、政令で定める。

Article 19, paragraph (5)

When there are two or more persons of the same order of priority who are entitled to receive an unpaid pension, a claim made by one of them is deemed to have been made by all of them for the full amount, and a payment made to one of them is deemed to have been made to all of them.

未支給の年金を受けるべき同順位者が二人以上あるときは、その一人のした請求は、全員のためその全額につきしたものとみなし、その一人に対してした支給は、全員に対してしたものとみなす。

Article 20第二十条

Adjustment for Concurrent Benefits(併給の調整)
Article 20, paragraph (1)

A survivors' basic pension or a widow's pension is, while the person entitled to receive it is able to receive another pension benefit (excluding the additional pension) or an insurance benefit that is a pension under the Employees' Pension Insurance Act (excluding one paid on the same ground for payment as that pension benefit; the same applies hereinafter in this Article), suspended for that period. The same applies to the old-age basic pension, in a case where the person entitled to receive the old-age basic pension is able to receive another pension benefit (excluding the additional pension) or an insurance benefit that is a pension under that Act (excluding the survivors' employees' pension), and to the disability basic pension, in a case where the person entitled to receive the disability basic pension is able to receive another pension benefit (excluding the additional pension).

遺族基礎年金又は寡婦年金は、その受給権者が他の年金給付(付加年金を除く。)又は厚生年金保険法による年金たる保険給付(当該年金給付と同一の支給事由に基づいて支給されるものを除く。以下この条において同じ。)を受けることができるときは、その間、その支給を停止する。老齢基礎年金の受給権者が他の年金給付(付加年金を除く。)又は同法による年金たる保険給付(遺族厚生年金を除く。)を受けることができる場合における当該老齢基礎年金及び障害基礎年金の受給権者が他の年金給付(付加年金を除く。)を受けることができる場合における当該障害基礎年金についても、同様とする。

Article 20, paragraph (2)

A person entitled to receive a pension benefit whose payment is to be suspended under the provisions of the preceding paragraph may, notwithstanding the provisions of that paragraph, apply for the suspension of payment to be lifted. However, this does not apply where the suspension of payment of the other pension benefit or the insurance benefit that is a pension under the Employees' Pension Insurance Act prescribed in that paragraph relating to that person has been lifted under the main clause of this paragraph, the following paragraph, or a provision specified by Cabinet Order as equivalent to these under other laws and regulations.

前項の規定によりその支給を停止するものとされた年金給付の受給権者は、同項の規定にかかわらず、その支給の停止の解除を申請することができる。ただし、その者に係る同項に規定する他の年金給付又は厚生年金保険法による年金たる保険給付について、この項の本文若しくは次項又は他の法令の規定でこれらに相当するものとして政令で定めるものによりその支給の停止が解除されているときは、この限りでない。

Article 20, paragraph (3)

With respect to a pension benefit whose payment is to be suspended under the provisions of paragraph (1), if payment is made for the portion of the month in which the day on which the grounds for suspending payment arose falls, the application under the preceding paragraph relating to that pension benefit is deemed to have been made at the time those grounds arose.

第一項の規定によりその支給を停止するものとされた年金給付について、その支給を停止すべき事由が生じた日の属する月分の支給が行われる場合は、その事由が生じたときにおいて、当該年金給付に係る前項の申請があつたものとみなす。

Article 20, paragraph (4)

The application under paragraph (2) (including that application in a case where it is deemed, under the provisions of the preceding paragraph, to have been made) may be withdrawn at any time, with effect for the future.

第二項の申請(前項の規定により第二項の申請があつたものとみなされた場合における当該申請を含む。)は、いつでも、将来に向かつて撤回することができる。

Article 20-2第二十条の二

Suspension of Payment upon the Request of a Person Entitled to Receive a Benefit(受給権者の申出による支給停止)
Article 20-2, paragraph (1)

Payment of the full amount of a pension benefit (excluding a pension benefit whose payment is suspended in full under another provision of this Act or a provision of other laws and regulations) is suspended upon the request of the person entitled to receive it. However, if payment of part of the amount is suspended under another provision of this Act or a provision of other laws and regulations, payment of the amount of the part not suspended is suspended.

年金給付(この法律の他の規定又は他の法令の規定によりその全額につき支給を停止されている年金給付を除く。)は、その受給権者の申出により、その全額の支給を停止する。ただし、この法律の他の規定又は他の法令の規定によりその額の一部につき支給を停止されているときは、停止されていない部分の額の支給を停止する。

Article 20-2, paragraph (2)

With respect to a pension benefit whose payment of part of its amount is suspended as referred to in the proviso to the preceding paragraph, when the suspension of payment under another provision of this Act or a provision of other laws and regulations is lifted, payment of the full amount of the pension benefit referred to in the main clause of the preceding paragraph is suspended.

前項ただし書のその額の一部につき支給を停止されている年金給付について、この法律の他の規定又は他の法令の規定による支給停止が解除されたときは、前項本文の年金給付の全額の支給を停止する。

Article 20-2, paragraph (3)

The request under paragraph (1) may be withdrawn at any time, with effect for the future.

第一項の申出は、いつでも、将来に向かつて撤回することができる。

Article 20-2, paragraph (4)

A pension benefit whose payment is suspended under the provisions of paragraph (1) or paragraph (2) is, for the purposes of applying a provision of laws and regulations specified by Cabinet Order, deemed not to have had its payment suspended.

第一項又は第二項の規定により支給を停止されている年金給付は、政令で定める法令の規定の適用については、その支給を停止されていないものとみなす。

Article 20-2, paragraph (5)

The method of the suspension of payment under the provisions of paragraph (1), and other matters necessary for applying the provisions of the preceding paragraphs, are specified by Cabinet Order.

第一項の規定による支給停止の方法その他前各項の規定の適用に関し必要な事項は、政令で定める。

Article 21第二十一条

Adjustment of Pension Payments(年金の支払の調整)
Article 21, paragraph (1)

Where the right of a person entitled to receive Pension B to receive it is extinguished because the person entitled to receive Pension B has acquired the right to receive Pension A, or where, for the same person, payment of Pension B is to be suspended and Pension A is to be paid, if payment of Pension B has been made for the portion from the month following the month in which the day on which the right to receive Pension B was extinguished, or the day on which the grounds for suspending payment of Pension B arose, falls, that paid Pension B is deemed to be a payment on account of Pension A.

乙年金の受給権者が甲年金の受給権を取得したため乙年金の受給権が消滅し、又は同一人に対して乙年金の支給を停止して甲年金を支給すべき場合において、乙年金の受給権が消滅し、又は乙年金の支給を停止すべき事由が生じた日の属する月の翌月以降の分として、乙年金の支払が行われたときは、その支払われた乙年金は、甲年金の内払とみなす。

Article 21, paragraph (2)

When, notwithstanding that grounds for suspending payment of a pension have arisen, the pension has been paid for the portion of the period for which it should have been suspended, the pension so paid may be deemed to be a payment on account of the pension that should be paid thereafter. The same applies to the portion that should have been reduced, of a disability basic pension or a survivors' basic pension, in a case where, notwithstanding that grounds have arisen for revising the disability basic pension or the survivors' basic pension by reducing it, the disability basic pension or the survivors' basic pension has been paid, for the portion from the month following the month in which the day on which those grounds arose falls, in the amount without the reduction.

年金の支給を停止すべき事由が生じたにもかかわらず、その停止すべき期間の分として年金が支払われたときは、その支払われた年金は、その後に支払うべき年金の内払とみなすことができる。障害基礎年金又は遺族基礎年金を減額して改定すべき事由が生じたにもかかわらず、その事由が生じた日の属する月の翌月以降の分として減額しない額の障害基礎年金又は遺族基礎年金が支払われた場合における当該障害基礎年金又は遺族基礎年金の当該減額すべきであつた部分についても、同様とする。

Article 21, paragraph (3)

Where, for the same person, payment of an insurance benefit that is a pension under the Employees' Pension Insurance Act (limited to one paid by the Minister of Health, Labour and Welfare; the same applies hereinafter in this paragraph) is to be suspended and a pension benefit is to be paid, if payment of the insurance benefit that is a pension under that Act has been made for the portion from the month following the month in which the day on which the grounds for paying the pension benefit arose falls, the insurance benefit that is a pension under that Act so paid may be deemed to be a payment on account of the pension benefit.

同一人に対して厚生年金保険法による年金たる保険給付(厚生労働大臣が支給するものに限る。以下この項において同じ。)の支給を停止して年金給付を支給すべき場合において、年金給付を支給すべき事由が生じた日の属する月の翌月以降の分として同法による年金たる保険給付の支払が行われたときは、その支払われた同法による年金たる保険給付は、年金給付の内払とみなすことができる。

Article 21-2第二十一条の二

Article 21-2, paragraph (1)

Where, notwithstanding that the right to receive a pension benefit has been extinguished because the person entitled to receive the pension benefit has died, an erroneous payment of that pension benefit has been made for the portion from the month following the month in which the day of that death falls, if there is a pension benefit to be paid to a person who is to perform the obligation pertaining to the claim for repayment relating to that erroneous payment (hereinafter in this Article referred to as a "claim for repayment"), the amount of the payment of that pension benefit may be applied to the amount of the claim for repayment arising from that erroneous payment, as specified by Order of the Ministry of Health, Labour and Welfare.

年金給付の受給権者が死亡したためその受給権が消滅したにもかかわらず、その死亡の日の属する月の翌月以降の分として当該年金給付の過誤払が行われた場合において、当該過誤払による返還金に係る債権(以下この条において「返還金債権」という。)に係る債務の弁済をすべき者に支払うべき年金給付があるときは、厚生労働省令で定めるところにより、当該年金給付の支払金の金額を当該過誤払による返還金債権の金額に充当することができる。

Article 22第二十二条

Right to Claim Damages(損害賠償請求権)
Article 22, paragraph (1)

Where a disability or death, or an accident that was the direct cause thereof, has arisen from the act of a third party, if the government has made a benefit payment, the government acquires, to the extent of the value of that benefit, the right that the person entitled to receive the benefit holds against the third party to claim damages.

政府は、障害若しくは死亡又はこれらの直接の原因となつた事故が第三者の行為によつて生じた場合において、給付をしたときは、その給付の価額の限度で、受給権者が第三者に対して有する損害賠償の請求権を取得する。

Article 22, paragraph (2)

In the case referred to in the preceding paragraph, if the person entitled to receive the benefit has received damages from the third party for the same cause, the government is relieved of its obligation to make the benefit payment, to the extent of that value.

前項の場合において、受給権者が第三者から同一の事由について損害賠償を受けたときは、政府は、その価額の限度で、給付を行う責を免かれる。

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