# 国民年金法 / National Pension Act — 第八十七条 (Article 87) - Law: 国民年金法 (National Pension Act), 昭和三十四年法律第百四十一号 - English title "National Pension Act": Ministry of Justice translation database, which lists the title - 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: 第八十七条 (Article 87)（保険料） — address `art-87` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/national-pension-act/art-87 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/334AC0000000141/art-87 - 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. --- ### 第八十七条（保険料） — Premiums caption: machine translation, not official art-87 · https://japanlaw.org/ja/national-pension-act/art-87 · https://japanlaw.org/l/334AC0000000141/art-87 **第一項** 政府は、国民年金事業に要する費用に充てるため、保険料を徴収する。 art-87/par-1 · https://japanlaw.org/ja/national-pension-act/art-87/par-1 · https://japanlaw.org/l/334AC0000000141/art-87/par-1 The government collects premiums in order to cover the expenses required for the National Pension program. machine translation, not official **第二項** 保険料は、被保険者期間の計算の基礎となる各月につき、徴収するものとする。 art-87/par-2 · https://japanlaw.org/ja/national-pension-act/art-87/par-2 · https://japanlaw.org/l/334AC0000000141/art-87/par-2 Premiums are to be collected for each month that forms the basis for calculating the insured period. machine translation, not official **第三項** 保険料の額は、次の表の上欄に掲げる月分についてそれぞれ同表の下欄に定める額に保険料改定率を乗じて得た額（その額に五円未満の端数が生じたときは、これを切り捨て、五円以上十円未満の端数が生じたときは、これを十円に切り上げるものとする。）とする。 平成十七年度に属する月の月分 一万三千五百八十円 平成十八年度に属する月の月分 一万三千八百六十円 平成十九年度に属する月の月分 一万四千百四十円 平成二十年度に属する月の月分 一万四千四百二十円 平成二十一年度に属する月の月分 一万四千七百円 平成二十二年度に属する月の月分 一万四千九百八十円 平成二十三年度に属する月の月分 一万五千二百六十円 平成二十四年度に属する月の月分 一万五千五百四十円 平成二十五年度に属する月の月分 一万五千八百二十円 平成二十六年度に属する月の月分 一万六千百円 平成二十七年度に属する月の月分 一万六千三百八十円 平成二十八年度に属する月の月分 一万六千六百六十円 平成二十九年度及び平成三十年度に属する月の月分 一万六千九百円 令和元年度以後の年度に属する月の月分 一万七千円 art-87/par-3 · https://japanlaw.org/ja/national-pension-act/art-87/par-3 · https://japanlaw.org/l/334AC0000000141/art-87/par-3 The amount of the premium is the amount obtained by multiplying the amount specified in the right-hand column of the following table, for the months listed in the corresponding entry in the left-hand column of that table, by the premium revision rate (if a fraction of less than 5 yen results, it is rounded down; if a fraction of 5 yen or more but less than 10 yen results, it is rounded up to 10 yen). The month falling in fiscal year 2005 13,580 yen The month falling in fiscal year 2006 13,860 yen The month falling in fiscal year 2007 14,140 yen The month falling in fiscal year 2008 14,420 yen The month falling in fiscal year 2009 14,700 yen The month falling in fiscal year 2010 14,980 yen The month falling in fiscal year 2011 15,260 yen The month falling in fiscal year 2012 15,540 yen The month falling in fiscal year 2013 15,820 yen The month falling in fiscal year 2014 16,100 yen The month falling in fiscal year 2015 16,380 yen The month falling in fiscal year 2016 16,660 yen The month falling in fiscal year 2017 or fiscal year 2018 16,900 yen The month falling in fiscal year 2019 or a later fiscal year 17,000 yen machine translation, not official **第四項** 平成十七年度における前項の保険料改定率は、一とする。 art-87/par-4 · https://japanlaw.org/ja/national-pension-act/art-87/par-4 · https://japanlaw.org/l/334AC0000000141/art-87/par-4 The premium revision rate under the preceding paragraph for fiscal year 2005 is 1. machine translation, not official **第五項** 第三項の保険料改定率は、毎年度、当該年度の前年度の保険料改定率に次に掲げる率を乗じて得た率を基準として改定し、当該年度に属する月の月分の保険料について適用する。 art-87/par-5 · https://japanlaw.org/ja/national-pension-act/art-87/par-5 · https://japanlaw.org/l/334AC0000000141/art-87/par-5 The premium revision rate under paragraph (3) is revised each fiscal year based on the rate obtained by multiplying the premium revision rate for the fiscal year preceding the relevant fiscal year by the rate listed below, and applies to the premium for the month falling in the relevant fiscal year. machine translation, not official **一** 当該年度の初日の属する年の三年前の年の物価指数に対する当該年度の初日の属する年の前々年の物価指数の比率 art-87/par-5/item-1 · https://japanlaw.org/ja/national-pension-act/art-87/par-5/item-1 · https://japanlaw.org/l/334AC0000000141/art-87/par-5/item-1 The ratio of the price index for the year two years before the year that contains the first day of the relevant fiscal year, to the price index for the year three years before the year that contains the first day of the relevant fiscal year; machine translation, not official **二** イに掲げる率をロに掲げる率で除して得た率の三乗根となる率 art-87/par-5/item-2 · https://japanlaw.org/ja/national-pension-act/art-87/par-5/item-2 · https://japanlaw.org/l/334AC0000000141/art-87/par-5/item-2 The rate that is the cube root of the rate obtained by dividing the rate listed in (a) by the rate listed in (b). machine translation, not official **イ** 当該年度の初日の属する年の六年前の年の四月一日の属する年度における厚生年金保険の被保険者に係る標準報酬平均額に対する当該年度の初日の属する年の三年前の年の四月一日の属する年度における厚生年金保険の被保険者に係る標準報酬平均額の比率 art-87/par-5/item-2/sub-1 · https://japanlaw.org/ja/national-pension-act/art-87/par-5/item-2/sub-1 · https://japanlaw.org/l/334AC0000000141/art-87/par-5/item-2/sub-1 The ratio of the average standardized amount of remuneration for insureds relating to insured persons of Employees' Pension Insurance for the fiscal year that contains April 1 of the year three years before the year that contains the first day of the relevant fiscal year, to the average standardized amount of remuneration for insureds relating to insured persons of Employees' Pension Insurance for the fiscal year that contains April 1 of the year six years before the year that contains the first day of the relevant fiscal year; machine translation, not official **ロ** 当該年度の初日の属する年の六年前の年における物価指数に対する当該年度の初日の属する年の三年前の年における物価指数の比率 art-87/par-5/item-2/sub-2 · https://japanlaw.org/ja/national-pension-act/art-87/par-5/item-2/sub-2 · https://japanlaw.org/l/334AC0000000141/art-87/par-5/item-2/sub-2 The ratio of the price index for the year three years before the year that contains the first day of the relevant fiscal year, to the price index for the year six years before the year that contains the first day of the relevant fiscal year. machine translation, not official **第六項** 前項の規定による保険料改定率の改定の措置は、政令で定める。 art-87/par-6 · https://japanlaw.org/ja/national-pension-act/art-87/par-6 · https://japanlaw.org/l/334AC0000000141/art-87/par-6 Measures for revision of the premium revision rate under the preceding paragraph are specified by Cabinet Order. machine translation, not official --- ## Cites - art-87/par-4: 前項 → 国民年金法 第八十七条第三項 (Article 87, paragraph (3)), art-87/par-3 — https://japanlaw.org/ja/national-pension-act/art-87/par-3 · https://japanlaw.org/l/334AC0000000141/art-87/par-3 - art-87/par-5: 第三項 → 国民年金法 第八十七条第三項 (Article 87, paragraph (3)), art-87/par-3 — https://japanlaw.org/ja/national-pension-act/art-87/par-3 · https://japanlaw.org/l/334AC0000000141/art-87/par-3 - art-87/par-6: 前項 → 国民年金法 第八十七条第五項 (Article 87, paragraph (5)), art-87/par-5 — https://japanlaw.org/ja/national-pension-act/art-87/par-5 · https://japanlaw.org/l/334AC0000000141/art-87/par-5 ## Cited by 34 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 附則第八条第三項（年金額の改定措置の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3541-36/art-8/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3541-36/art-8/par-3 - 厚生年金保険法 附則第五条第三項（年金額の改定措置の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3571-79/art-5/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3571-79/art-5/par-3 - 国民年金法 第二十七条の二第二項第二号イ（改定率の改定等） — https://japanlaw.org/ja/national-pension-act/art-27-2/par-2/item-2/sub-1 · https://japanlaw.org/l/334AC0000000141/art-27-2/par-2/item-2/sub-1 - 国民年金法 第四十五条第一項第一号（国民年金基金又は国民年金基金連合会の解散の場合の取扱い） — https://japanlaw.org/ja/national-pension-act/art-45/par-1/item-1 · https://japanlaw.org/l/334AC0000000141/art-45/par-1/item-1 - 国民年金法 第四十五条第一項第二号（国民年金基金又は国民年金基金連合会の解散の場合の取扱い） — https://japanlaw.org/ja/national-pension-act/art-45/par-1/item-2 · https://japanlaw.org/l/334AC0000000141/art-45/par-1/item-2 - 国民年金法 第八十七条第四項（保険料） — https://japanlaw.org/ja/national-pension-act/art-87/par-4 · https://japanlaw.org/l/334AC0000000141/art-87/par-4 - 国民年金法 第八十七条第五項（保険料） — https://japanlaw.org/ja/national-pension-act/art-87/par-5 · https://japanlaw.org/l/334AC0000000141/art-87/par-5 - 国民年金法 第八十七条第六項（保険料） — https://japanlaw.org/ja/national-pension-act/art-87/par-6 · https://japanlaw.org/l/334AC0000000141/art-87/par-6 - 国民年金法 第八十七条の二第一項 — https://japanlaw.org/ja/national-pension-act/art-87-2/par-1 · https://japanlaw.org/l/334AC0000000141/art-87-2/par-1 - 国民年金法 第八十七条の二第二項 — https://japanlaw.org/ja/national-pension-act/art-87-2/par-2 · https://japanlaw.org/l/334AC0000000141/art-87-2/par-2 - 国民年金法 第九十四条の六第一項（第二号被保険者及び第三号被保険者に係る特例） — https://japanlaw.org/ja/national-pension-act/art-94-6/par-1 · https://japanlaw.org/l/334AC0000000141/art-94-6/par-1 - 国民年金法 第百九条の十第一項第二十六号（機構への事務の委託） — https://japanlaw.org/ja/national-pension-act/art-109-10/par-1/item-26 · https://japanlaw.org/l/334AC0000000141/art-109-10/par-1/item-26 - 国民年金法 第百三十条第二項 — https://japanlaw.org/ja/national-pension-act/art-130/par-2 · https://japanlaw.org/l/334AC0000000141/art-130/par-2 - 国民年金法 附則第九条の四の七第三項（特定事由に係る申出等の特例） — https://japanlaw.org/ja/national-pension-act/suppl-3341-141/art-9-4-7/par-3 · https://japanlaw.org/l/334AC0000000141/suppl-3341-141/art-9-4-7/par-3 - 国民年金法 附則第九条の四の七第五項（特定事由に係る申出等の特例） — https://japanlaw.org/ja/national-pension-act/suppl-3341-141/art-9-4-7/par-5 · https://japanlaw.org/l/334AC0000000141/suppl-3341-141/art-9-4-7/par-5 - 国民年金法 附則第十九条第七項 — https://japanlaw.org/ja/national-pension-act/suppl-3481-92/art-19/par-7 · https://japanlaw.org/l/334AC0000000141/suppl-3481-92/art-19/par-7 - 国民年金法 附則第八条第一項 — https://japanlaw.org/ja/national-pension-act/suppl-3511-63/art-8/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-3511-63/art-8/par-1 - 国民年金法 附則第八条第二項 — https://japanlaw.org/ja/national-pension-act/suppl-3511-63/art-8/par-2 · https://japanlaw.org/l/334AC0000000141/suppl-3511-63/art-8/par-2 - 国民年金法 附則第三条第一項 — https://japanlaw.org/ja/national-pension-act/suppl-3531-46/art-3/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-3531-46/art-3/par-1 - 国民年金法 附則第三条第二項 — https://japanlaw.org/ja/national-pension-act/suppl-3531-46/art-3/par-2 · https://japanlaw.org/l/334AC0000000141/suppl-3531-46/art-3/par-2 - 国民年金法 附則第八条第三項（年金額の改定措置の特例） — https://japanlaw.org/ja/national-pension-act/suppl-3541-36/art-8/par-3 · https://japanlaw.org/l/334AC0000000141/suppl-3541-36/art-8/par-3 - 国民年金法 附則第五十三条第一項 — https://japanlaw.org/ja/national-pension-act/suppl-3551-82/art-53/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-3551-82/art-53/par-1 - 国民年金法 附則第五十三条第二項 — https://japanlaw.org/ja/national-pension-act/suppl-3551-82/art-53/par-2 · https://japanlaw.org/l/334AC0000000141/suppl-3551-82/art-53/par-2 - 国民年金法 附則第五条第三項（年金額の改定措置の特例） — https://japanlaw.org/ja/national-pension-act/suppl-3571-79/art-5/par-3 · https://japanlaw.org/l/334AC0000000141/suppl-3571-79/art-5/par-3 - 国民年金法 附則第四条第三項（年金額の改定措置の特例） — https://japanlaw.org/ja/national-pension-act/suppl-3591-84/art-4/par-3 · https://japanlaw.org/l/334AC0000000141/suppl-3591-84/art-4/par-3 - 国民年金法 附則第三十六条第一項 — https://japanlaw.org/ja/national-pension-act/suppl-3601-34/art-36/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-3601-34/art-36/par-1 - 国民年金法 附則第三十六条第二項 — https://japanlaw.org/ja/national-pension-act/suppl-3601-34/art-36/par-2 · https://japanlaw.org/l/334AC0000000141/suppl-3601-34/art-36/par-2 - 国民年金法 附則第三十六条第三項 — https://japanlaw.org/ja/national-pension-act/suppl-3601-34/art-36/par-3 · https://japanlaw.org/l/334AC0000000141/suppl-3601-34/art-36/par-3 - 国民年金法 附則第五条第一項（国民年金の保険料に関する経過措置） — https://japanlaw.org/ja/national-pension-act/suppl-4011-86/art-5/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-4011-86/art-5/par-1 - 国民年金法 附則第五条第二項（国民年金の保険料に関する経過措置） — https://japanlaw.org/ja/national-pension-act/suppl-4011-86/art-5/par-2 · https://japanlaw.org/l/334AC0000000141/suppl-4011-86/art-5/par-2 - 国民年金法 附則第十八条第一項（平成十八年度及び平成十九年度における保険料改定率の改定に関する経過措置） — https://japanlaw.org/ja/national-pension-act/suppl-4161-104/art-18/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-4161-104/art-18/par-1 - 国民年金法 附則第四条第一項（国民年金保険料の免除に関する経過措置） — https://japanlaw.org/ja/national-pension-act/suppl-4281-114/art-4/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-4281-114/art-4/par-1 - 国民年金法 附則第四条第一項（国民年金保険料の免除に関する経過措置） — https://japanlaw.org/ja/national-pension-act/suppl-5021-40/art-4/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-5021-40/art-4/par-1 - 国民年金法 附則第十条第一項（国民年金法の一部改正に伴う経過措置） — https://japanlaw.org/ja/national-pension-act/suppl-5061-47/art-10/par-1 · https://japanlaw.org/l/334AC0000000141/suppl-5061-47/art-10/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 国民年金法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/334AC0000000141/20261001_507AC0000000074), retrieved 2026-10-05 - Japanese Law Translation Database System, Ministry of Justice (法務省) — 国民年金法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/1772), retrieved 2026-09-18 - claude-sonnet-5 — Machine translation, batch national-pension-act-20260923T214903-014, translated 2026-09-24 - claude-sonnet-5-5 — Machine translation, batch national-pension-act-20261013T095554-001, translated 2026-10-13 - This site's parser, version 211 — 国民年金法 — structure, counts, cross-references and defined terms, computed 2026-10-05