What is the ¥200,000 threshold for Mercari taxes in Japan?

If your annual profit from flea market sales exceeds ¥200,000 (about $1,300), you are required to file a tax return in Japan — even if you are a foreign national. "Profit" means revenue minus costs (original purchase price, shipping, fees). Not revenue.

Am I a tax resident in Japan as a foreigner?

If you have stayed in Japan for 183 days or more in a calendar year, you are considered a tax resident (居住者) and all your worldwide income is taxable in Japan. Short-term visitors on tourist visas are non-residents, taxed only on Japan-source income.

Can I sell personal belongings tax-free on Mercari?

Yes. Selling used personal belongings (clothes, electronics, furniture) for less than what you originally paid is generally non-taxable in Japan. The exception: items worth ¥300,000 or more (jewelry, art, gold) are always taxable gains.

Does Mercari report my sales to the Japanese tax office?

Indirectly, yes. Japan's NTA tracks regular bank transfers from Mercari. Sellers with consistent deposit patterns are flagged by the KSK automated system. There is no safe threshold below which you are invisible — the risk is proportional to frequency and amount.

What happens if I don't file and get caught?

Undeclared income triggers a 15–20% non-filing penalty plus 7.3–14.6% annual late tax on the outstanding amount. In severe cases, a 35–40% fraud penalty (重加算税) applies. It also creates complications for visa renewals that require showing clean tax compliance.

Do Foreigners Need to File Taxes on Mercari Sales in Japan? [2026 Guide]

The ¥200,000 Rule — What It Actually Means

Japan's ¥200,000 threshold applies to profit, not revenue. If you sell ¥500,000 worth of goods but spent ¥400,000 buying them plus ¥50,000 on fees and shipping, your taxable profit is ¥50,000 — well under the threshold.

Profit Calculation Example

Total sales revenue¥500,000

— Original purchase cost−¥350,000

— Mercari 10% fee−¥50,000

— Shipping costs−¥25,000

= Taxable profit¥75,000

Under ¥200,000 → no filing required in this example.

The rule applies to salary employees with side income (most expats). Self-employed residents have different rules — consult a tax accountant (税理士) if you are unsure of your employment category.

Are You a Tax Resident in Japan?

Japan uses the 183-day rule. If you have been physically present in Japan for 183 days or more in a calendar year (or hold a domicile here), you are a tax resident — 居住者 (kyojusha).

Status	Days in Japan	What's taxable
Tax resident (居住者)	183+ days/year or domicile	All worldwide income
Non-resident (非居住者)	Under 183 days	Japan-source income only

Most working expats on work visas are tax residents. Tourists are not. If you are on a student visa with a part-time job and also selling on Mercari, you are likely a tax resident.

What's Taxable vs Non-Taxable

✓ Generally non-taxable

• Personal clothes, furniture, electronics sold below original price
• One-off sales of household items you no longer need
• Selling items as a declutter exercise

✗ Taxable

• Reselling items bought specifically to sell (reselling)
• Profit over ¥200,000/year from any flea market activity
• Jewelry, art, gold over ¥300,000 per item (always taxable)
• Regular, recurring sales patterns

How Japan's NTA Tracks Online Sales

Japan's National Tax Agency (国税庁) uses the KSK system (国税総合管理) to flag unusual income patterns. It primarily works through bank transfer data. Here's what it looks for:

Regular monthly deposits from e-commerce platforms (Mercari, PayPay Flea Market, etc.)
Total annual bank deposits significantly above declared salary
Multiple small transfers that add up to a large annual total

The NTA doesn't audit every seller. The risk is proportional — consistent monthly income over ¥30,000 from online selling raises the chance of receiving an inquiry letter (お尋ね). If you get one, respond promptly with records. Ignoring it is the worst move.

Deductions You Can Claim

These reduce your taxable profit — keep receipts for everything:

Deduction type	What qualifies	Evidence needed
Platform fees	Mercari's 10% transaction fee	Mercari transaction history
Shipping costs	All postage and courier fees	Receipts or Mercari records
Packaging	Boxes, tape, bubble wrap	Store receipts
Purchase cost	Original price of items you resold	Purchase receipts
Photography equipment	Camera, lighting used for listings	Purchase receipt (pro-rated)

How to File — Step by Step

Calculate your annual profit

Export your Mercari transaction history (CSV available in the app). Calculate: total sales − original costs − Mercari fees − shipping = taxable profit.

Check the ¥200,000 threshold

If profit is under ¥200,000, you are legally exempt from filing (for salary employees). Keep records anyway in case of inquiry.

File between February 16 – March 15

Use e-Tax (国税庁確定申告コーナー) for online filing, or visit your local tax office (税務署). Bring My Number card (マイナンバーカード) and income proof.

Visa Status and Tax Compliance

For visa renewals and permanent residency (PR) applications, the immigration bureau (入管) checks whether you have filed taxes and paid pension/health insurance on time. Undeclared Mercari income that later triggers a tax inquiry can create complications.

Practical advice: If you are working toward PR or a long-term visa renewal, err on the side of filing even if you are near but under the threshold. Clean tax records are worth more than the minor hassle of filing.

FAQ

Q.What is the ¥200,000 threshold?

A.Profit (not revenue) above ¥200,000/year from flea market activity requires filing a tax return. This applies to salary employees with side income.

Q.Am I a tax resident as a foreigner in Japan?

A.If you have been in Japan 183+ days in the calendar year or have a domicile here, yes — all your income is taxable in Japan.

Q.Can I sell personal belongings tax-free?

A.Generally yes, if selling for less than you paid. Exception: items worth ¥300,000+ (jewelry, art, gold) are always subject to capital gains tax.

Q.Does Mercari report to the NTA?

A.Indirectly. The NTA tracks regular bank deposits. Consistent income from Mercari is detectable through bank transfer analysis.

Q.What happens if I don't file?

A.A 15–20% non-filing penalty plus annual interest on unpaid tax (7.3–14.6%). In serious cases, a 35–40% fraud penalty applies. Can also affect visa renewals.