Published: June 2026 | Covers the October 2026 consumption tax transition

If you're freelancing in Japan — whether you're an IT consultant, designer, translator, English teacher, or any kind of independent contractor — you're responsible for calculating and paying your own taxes. Nobody withholds the right amounts for you. Nobody sends you a simple tax bill. And the system is entirely in Japanese.

This guide covers everything: the six types of taxes and insurance you'll pay, how to calculate your take-home pay, how to choose the right consumption tax method after October 2026, and the deadlines you can't miss.

The Six Things That Come Out of Your Revenue

As a freelancer in Japan (個人事業主), your gross revenue gets reduced by six categories of mandatory payments. Most English guides cover four of them and skip the other two. Here's all six.

1. Income Tax (所得税)

Progressive rates from 5% to 45%, applied to your taxable income (not your revenue). Taxable income = revenue − expenses − deductions.

Key deductions that reduce your taxable income: - 青色申告特別控除 (Blue Return Special Deduction): ¥650,000 if you file a blue return with double-entry bookkeeping and submit via e-Tax. This is free money — almost every freelancer should file blue. - 基礎控除 (Basic Deduction): ¥580,000 (increased from ¥480,000 in 2025). - 社会保険料控除 (Social Insurance Deduction): Your pension + health insurance premiums are fully deductible. - 小規模企業共済 (Small Business Mutual Aid): Up to ¥840,000/year in deductible retirement savings. - iDeCo: Up to ¥816,000/year in deductible pension contributions.

There's also a 2.1% surtax (復興特別所得税) added on top of your income tax through 2037.

2. Resident Tax (住民税)

A flat 10% of your taxable income (same base as income tax), plus a per-capita levy of approximately ¥5,000/year. This is assessed by your municipality based on your January 1 residence. You'll receive a bill in June for the prior year.

The one thing that catches people: if you leave Japan, you still owe resident tax on income earned while you were a resident. Designate a tax agent (納税管理人) before you leave.

3. National Pension (国民年金)

Flat monthly premium regardless of income: ¥17,510/month (FY2026), which is ¥210,120/year. This is not optional — all residents aged 20-59 must pay. The full amount is deductible from your taxable income.

If you can't afford it, apply for exemption (免除) or deferment (猶予) at your local 年金事務所. Don't just stop paying — that creates problems for visa renewals.

4. National Health Insurance (国民健康保険)

This is the one that surprises people with its cost. Unlike pension (flat amount), NHI is income-based and varies by municipality.

In Tokyo's 23 wards, the approximate calculation for FY2026 is: - Income-based portion: ~7.13% of your prior-year income - Per-capita portion: ~¥52,000/year - Cap: approximately ¥1,060,000/year

A freelancer earning ¥6 million in business income would pay roughly ¥480,000/year in NHI — that's ¥40,000/month. This is fully deductible from taxable income.

5. Individual Business Tax (個人事業税)

Most freelancers don't know this exists. If your business income exceeds ¥2.9 million, you owe business tax at rates of 3%, 4%, or 5% depending on your business type. Most service businesses pay 5%.

Writers (文筆業) are exempt. Some creative occupations are classified at lower rates. Check your specific 業種 classification.

Business tax is assessed by your prefecture (都道府県) and billed separately from income tax, usually in August and November.

6. Consumption Tax (消費税)

This is the big one that changed with the invoice system (インボイス制度) in October 2023, and changes again in October 2026.

If you're registered as an invoice issuer (適格請求書発行事業者), you collect 10% consumption tax from your clients and must remit some portion of it to the government. How much you remit depends on which calculation method you use.

Until September 2026: The 2割特例 lets you pay just 20% of your output tax.

From October 2026: The 2割特例 ends. Individual sole proprietors get the new 3割特例 (30% of output tax) through September 2028. Corporations do not.

Your four options from October 2026: 3割特例, 簡易課税, 本則課税, or dropping registration entirely if your sales are under ¥10M and your clients are primarily consumers.

→ Compare all 4 consumption tax methods with our optimizer

For a detailed breakdown of the 3割特例 and how to choose, see our dedicated guide on the October 2026 consumption tax transition.

Calculating Your Actual Take-Home Pay

Here's a worked example for a common profile: a service-industry freelancer in Tokyo, age 35, filing blue return, with ¥8 million in revenue and ¥1.5 million in expenses.

Item Amount
Revenue ¥8,000,000
− Expenses −¥1,500,000
− Blue Return Deduction −¥650,000
Business Income ¥5,850,000
− Basic Deduction −¥580,000
− Social Insurance Deduction −¥640,000
Taxable Income ¥4,630,000
Income Tax (20% bracket + surtax) −¥501,000
Resident Tax (10% + ¥5,000) −¥468,000
National Pension −¥210,000
National Health Insurance −¥430,000
Business Tax (5% over ¥2.9M threshold) −¥148,000
Consumption Tax (3割特例) −¥218,000
Annual Take-Home ¥4,525,000
Monthly Take-Home ¥377,000
Effective Rate 43.4%

Your numbers will differ based on revenue, expenses, location, age, and consumption tax method. The consumption tax method alone can swing your take-home by ¥400,000+/year.

→ Calculate your exact take-home with our comprehensive calculator

What Rate Should You Charge?

If you know what you want to take home each month, work backwards:

A freelancer who wants ¥400,000/month take-home, has ¥50,000/month in expenses, and can bill 120 hours/month needs to charge approximately ¥5,500–6,000/hour to cover all taxes and insurance.

Most new freelancers set their rates based on their former salary divided by hours. This underprices them by 30-40% because they forget about the employer-side social insurance they no longer receive, plus consumption tax.

→ Calculate your required hourly rate

Key Deadlines for 2026-2027

Deadline What Who
September 30, 2026 2割特例 expires All registered freelancers
December 31, 2026 届出書 deadline for 簡易課税 election for FY2027 Anyone switching to simplified method
February 16 – March 15, 2027 確定申告 filing period for 2026 income All freelancers
March 31, 2027 Consumption tax return for 2026 Registered invoice issuers
June 2027 Resident tax bill arrives for 2026 income All residents as of Jan 1, 2027

The December 31, 2026 deadline is the one most people will miss. If 簡易課税 is your optimal method, mark it now.

Getting Started: The First Three Things

If you're new to freelancing in Japan:

  1. File your 開業届 (business opening notification). This registers you as a sole proprietor with the tax office. Also file the 青色申告承認申請書 at the same time for the ¥650,000 deduction. Both are free.

  2. Register for the invoice system if you sell to businesses. Your clients need your T-number to claim input tax credits. Without it, they lose 10% on every payment to you — which means they'll either ask you to eat the cost or find someone who's registered.

  3. Set up basic bookkeeping. freee or Money Forward are the standard options in Japan. You need double-entry bookkeeping to claim the full ¥650,000 blue return deduction.

Tools That Help

We built these because we needed them ourselves:

All free, no login required, bilingual EN/JA.

This guide is for informational purposes only and does not constitute tax advice. Consult a qualified 税理士 for advice specific to your situation.

BridgeInvoice helps freelancers in Japan generate インボイス制度-compliant invoices. Try it free →