Japan Public Pension Early vs. Delayed Start Calculator 2026 (Kuriage / Kurisage)
Calculate lifetime pension adjustments under Japan's early (-0.4%/month, max -24%) and delayed (+0.7%/month, max +84% at age 75) pension uptake options, including breakeven longevity ages.
Adjusted Annual Pension
Lifetime Adjustment Rate
Calculator Inputs
Adjusted Annual Pension
Lifetime Adjustment Rate
Adjusted Monthly Pension
Estimated Breakeven Age
Delayed uptake locks in a permanent lifetime increase to your public pension.
Pension Comparison
Based on National Pension Act Art. 28 & 28-2 (Age 75 maximum delay cap). The chosen multiplier percentage is permanent for life.
This calculator is a mathematical model for general financial estimation, planning, and educational guidance. Results depend on your inputs and standard formulas, and do not constitute binding financial, tax, or investment advice. Always consult a qualified professional before making financial decisions.
Calculation Methodology
Early Cut = Early Months × 0.4% (Max -24%); Delayed Boost = Delay Months × 0.7% (Max +84% at age 75).
Frequently Asked Questions
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