# Act No. 74 of 2025: Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes

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Every law on japanlaw.org that Act No. 74 of 2025 amends, and when each change takes effect; promulgated 20 June 2025.

- Number: 令和七年法律第七十四号 (令和7年法律第74号), Act No. 74 of 2025
- Title: Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (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)
- Promulgated: 20 June 2025
- In Japanese: https://japanlaw.org/ja/acts/507AC0000000074
- Changes to Japanese law, by date: https://japanlaw.org/en/changes (as Markdown: https://japanlaw.org/md/en/changes)

## Consumption Tax Act (消費税法)

https://japanlaw.org/en/consumption-tax-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/consumption-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20300619_507AC0000000074/text

## Corporation Tax Act (法人税法)

https://japanlaw.org/en/corporation-tax-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/corporation-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20300619_507AC0000000074/text

## Defined Contribution Pension Act (確定拠出年金法)

https://japanlaw.org/en/defined-contribution-pension-act

- 20 June 2025: Since replaced.
- 1 April 2026: In force. The law in force: https://japanlaw.org/en/defined-contribution-pension-act; in Markdown: https://japanlaw.org/md/en/defined-contribution-pension-act
- 1 December 2026: Not yet in force. 14 provisions changed · 4 provisions added · 1 provision removed · 4 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/defined-contribution-pension-act/amendments/20261201_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/defined-contribution-pension-act/amendments/20261201_507AC0000000074/text
- By 19 June 2030: Not yet in force. 2 provisions changed · 1 provision added. What it changes: https://japanlaw.org/en/defined-contribution-pension-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/defined-contribution-pension-act/amendments/20300619_507AC0000000074/text

## Employees' Pension Insurance Act (厚生年金保険法)

https://japanlaw.org/en/employees-pension-insurance-act

- 20 June 2025: Since replaced.
- 1 December 2025: Since replaced.
- 1 April 2026: Since replaced.
- 1 October 2026: In force. The law in force: https://japanlaw.org/en/employees-pension-insurance-act; in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act
- 1 December 2026: Not yet in force. 2 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20261201_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20261201_507AC0000000074/text
- 1 September 2027: Not yet in force. 2 provisions changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20270901_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20270901_507AC0000000074/text
- 1 October 2027: Not yet in force. 11 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20271001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20271001_507AC0000000074/text
- 1 April 2028: Not yet in force. 48 provisions changed · 79 provisions added · 4 provisions removed · 84 provisions in the supplementary provisions · 1 article renumbered. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20280401_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20280401_507AC0000000074/text
- 1 September 2028: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20280901_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20280901_507AC0000000074/text
- 1 April 2029: Not yet in force. 3 provisions changed · 14 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20290401_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20290401_507AC0000000074/text
- By 19 June 2029: Not yet in force. 5 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20290619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20290619_507AC0000000074/text
- 1 September 2029: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20290901_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20290901_507AC0000000074/text
- 1 October 2029: Not yet in force. 4 provisions changed · 17 provisions removed · 2 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20291001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20291001_507AC0000000074/text

## Health Insurance Act (健康保険法)

https://japanlaw.org/en/health-insurance-act

- 20 June 2025: Since replaced.
- 1 April 2026: Since replaced.
- 1 October 2026: Since replaced.
- 1 October 2027: Not yet in force. 5 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/health-insurance-act/amendments/20271001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20271001_507AC0000000074/text
- 1 October 2029: Not yet in force. 2 provisions changed · 17 provisions removed · 2 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/health-insurance-act/amendments/20291001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20291001_507AC0000000074/text

## Income Tax Act (所得税法)

https://japanlaw.org/en/income-tax-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 5 provisions changed · 1 provision removed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/income-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20300619_507AC0000000074/text

## Act on Public Consultants on Social and Labour Insurance (社会保険労務士法)

https://japanlaw.org/en/labor-and-social-security-attorney-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/labor-and-social-security-attorney-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-and-social-security-attorney-act/amendments/20300619_507AC0000000074/text

## Local Tax Act (地方税法)

https://japanlaw.org/en/local-tax-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 1 provision changed · 2 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/local-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20300619_507AC0000000074/text

## Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (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)

https://japanlaw.org/en/my-number-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/my-number-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20300619_507AC0000000074/text

## National Pension Act (国民年金法)

https://japanlaw.org/en/national-pension-act

- 20 June 2025: Since replaced.
- 1 December 2025: Since replaced.
- 1 April 2026: Since replaced.
- 1 October 2026: In force. 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/national-pension-act/amendments/20261001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20261001_507AC0000000074/text
- 1 October 2027: Not yet in force. 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/national-pension-act/amendments/20271001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20271001_507AC0000000074/text
- 1 April 2028: Not yet in force. 21 provisions changed · 34 provisions added · 9 provisions removed · 25 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/national-pension-act/amendments/20280401_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20280401_507AC0000000074/text
- By 19 June 2029: Not yet in force. 5 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/national-pension-act/amendments/20290619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20290619_507AC0000000074/text

## Residential Basic Book Act (住民基本台帳法)

https://japanlaw.org/en/residential-basic-book-act

- 20 June 2025: Since replaced.
- By 19 June 2030: Not yet in force. 1 provision changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20300619_507AC0000000074/text

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## Sources

- The dates and the amending law: e-Gov (Digital Agency) (11 records)
- English title of the amending law: Written for this site with AI
- English names of the laws: Japanese Law Translation, Ministry of Justice (11 records)