Japan Net Salary Calculator (Estimate)

Estimate Japanese social insurance, income tax, and resident tax from your annual income, prefecture, and family structure to calculate your take-home pay in Japan.

Cases where your take-home pay may change further

Turning 40 adds the long-term care insurance premium (approximately ¥5,000–¥7,000/month).
Above ¥8.5 million annual income, the employment income deduction reaches its cap (¥1.95 million), so the effective tax rate rises with higher earnings.
Having dependents qualifies you for the dependent deduction, reducing your income and resident taxes.

Side Note — Why take-home pay in Japan is typically 75–85% of gross

For a salaried worker in Japan, combined taxes and social insurance typically amount to roughly 15–25% of gross income for the standard ¥4–6 million range. The breakdown is broadly: Employees' Pension (approx. 9.15%), health insurance (approx. 5%), and employment insurance (approx. 0.6%) are deducted first as social insurance, and income and resident taxes are then calculated on the remainder.

Income tax is progressive, so the rate rises with income. Resident tax, however, is levied at a flat 10% on prior-year income, which is why people sometimes feel their take-home pay is lower the year after a job change or pay rise. Understanding the mechanics helps make your life-planning calculations more accurate.