JapanUpdated for 2026FinanceJapan Basic Income Tax Deduction Calculator 2026 (Kiso Koujo)
Calculate statutory Japanese Basic Income Tax Deductions (480,000 JPY for income tax, 430,000 JPY for resident tax) and high-earner phase-out thresholds.
National Income Tax Basic Deduction
Resident Tax Basic Deduction
Calculator Inputs
National Income Tax Basic Deduction
Resident Tax Basic Deduction
Combined Deductions Base
Full statutory basic deductions apply.
Basic Deduction Comparison
Under Income Tax Act Art. 86, the basic deduction tapers for incomes above 24M JPY and vanishes above 25M JPY.
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
Income <=24M: 480k JPY; 24M-24.5M: 320k JPY; 24.5M-25M: 160k JPY; >25M: 0 JPY.
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