This is an English translation of our Japanese site. Rules and figures may change; the Japanese version and official sources are authoritative. For individual matters, consult a tax office or a licensed tax accountant (zeirishi).

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Understand taxes, in numbers.

Even complicated rules give a clear answer when it comes to your take-home pay. To end the losses people suffer simply because nobody told them, we offer neutral explanations checked against official sources such as the National Tax Agency, plus free tools.

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Featured articles

From the articles being read right now.

926 recent visits

Tokyo EV Purchase Subsidy 2026 | How to Receive Up to ¥2.6 Million from the National and Tokyo Programs An accurate explanation of the Tokyo ZEV subsidy (up to ¥1.3 million) plus the national CEV subsidy (up to ¥1.3 million) — the application order, manufacturer-based amounts, and tax treatment.

753 recent visits

The High-Cost Medical Expense Benefit｜the monthly cap on medical costs and the August 2026 increase For an annual income of ¥3.7–7.7 million, the ceiling is about ¥80,000–90,000 a month. We explain how to use it, household aggregation, and the reform.

700 recent visits

Kumamoto Earthquake Relief Donations Get "the Same Deduction as Furusato Nozei" Donations to the Japanese Red Cross, the Community Chest, or local governments qualify for the special resident-tax deduction. Certified NPO support donations get up to a 40% tax credit. We break down the tax rules and list reliable, official donation channels.

389 recent visits

Dependent Status Under Japan's Employee Health Insurance｜The ¥1.3 Million Standard The dependent income standards (¥1.3M / ¥1.5M / ¥1.8M), the difference from the tax dependent, and the 2026 new rules (employment-contract judgment, abolition of the ¥1.06 million wall) — explained with primary sources.

280 recent visits

Japan's Oct 2026 liquor tax reform: beer cheaper, happoshu and chuhai up The beer-group liquor tax is unified at 54.25 yen. We explain the cuts and hikes, with a tool to estimate the annual impact on your evening drink.

247 recent visits

Kumamoto Earthquake Public Support Guide｜Payments up to ¥3 Million, Emergency Repairs, Tax Relief From applying for the disaster victim certificate (photos before cleanup) to emergency repairs under the Disaster Relief Act, livelihood rebuilding support payments, the casualty loss deduction and deadline extensions, and Safety Net Guarantee No. 4. A practical guide for those affected and the family members supporting them.

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Databases & data

Check the government's published data yourself — searchable and charted.

DatabaseSubsidy databaseWhich company received which subsidy, and how much — search about 970,000 records (Japanese). DataTax revenue dataHow much tax is collected and what it is spent on, charted from official statistics. DataTaxes in dataThe real numbers of taxes and social insurance, visualized in charts.

Simulators & calculators

Before reading the explanations, see your own numbers first. No sign-up for any of them.

SimulatorTax reform simulatorHow much do your taxes and take-home pay change before and after the 2026 reform? SimulatoriDeCo tax-saving simulatorWith or without it, how much less tax do you pay? Right down to the cumulative total. SimulatorIncome "wall" simulatorSee the ¥1.06M, ¥1.30M and ¥1.60M walls and the "working-loss valley" on a graph. CalculateTax calculation toolsRough estimates for income tax, residence tax, the Furusato Nozei cap and retirement pay. CalendarTax calendarFiling, payment and deadlines month by month. A list so you never miss one. OverviewFY2026 tax reform overviewFrom the income walls and defense-spending tax hike to invoicing and crypto assets.

Choose by your situation

Start reading from what applies to you.

Tax basicsStart with the difference between income tax, residence tax and corporate tax, and how deductions work. Sole proprietorsBlue-form filing, necessary expenses and the key points of the tax return, with real examples. CorporationsExecutive compensation, corporate tax filing and other tax-saving and cash-flow planning for companies. EmployeesYear-end adjustment, side jobs, the medical expense deduction and Furusato Nozei tax savings.

Who it's for

Want to sort out the basics of taxes
Filing a tax return for the first time
Employees with a side job
Sole proprietors and freelancers
Company owners thinking about tax savings

Sources / official information

This site puts primary sources published by the government (.go.jp) first. Figures such as tax rates, deduction amounts and deadlines are verified against materials from the National Tax Agency, the Ministry of Finance and other public bodies; we do not assert what we cannot verify, and we do not steer readers toward specific products or businesses (see our editorial policy). Because rules can be revised, please check each official site for the latest details.

※ The content of this site is for general information only and is not tax or legal advice. For individual decisions, consult your local tax office or a licensed tax accountant (zeirishi).