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Jul 13, 2026 1 min read

Japan: 定時決定 Window Closed; September Cutover Prep

Standard Monthly Remuneration recalculation (定時決定) filing window (1–10 July) has closed. New Standard Monthly Remuneration takes effect from September 2026 payroll. Prefectural Health Insurance/Kaigo Hoken rates in force.

Effective Date

Published

Impact

  • 定時決定 filing window closed 10 July 2026 — verify Japan Pension Service acknowledged all submissions. The new Standard Monthly Remuneration (based on April–June 2026 average) will apply from September 2026 payroll. Prefectural Health Insurance and Kaigo Hoken premium rates reset in March 2026 remain in force. EPI 18.3% (9.15% each side); Kaigo Hoken 1.6% for ages 40–64.

Payroll action

Japan Pension Service

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