Best Online Brokers in Japan 2026
FSA-registered brokers in Japan — ranked by fees, platform quality and local features for Japanese investors in 2026.
✅ FSA Registered (金融庁)
🇯🇵 JPY / TSE Listed
🏦 NISA Tax-Free Accounts
📊 20.315% CGT Rate
🔬 Tested with real accounts
🔄 Last updated: October 2026 · Reviewed by WhichBroker Research Team
⚠️ Risk warning: Investing involves risk of loss. Capital is not guaranteed. Some links on this page are affiliate links — this does not affect our rankings.
What to check before choosing a broker in Japan
Japan has a sophisticated financial market with strong FSA regulation and Japan's popular NISA tax-free account. Here's what every investor in Japan should know before opening a brokerage account.
1. FSA registration is mandatory. The FSA (Financial Services Agency — 金融庁, Kinyu-cho) is Japan's integrated financial regulator. Brokers must be registered as Financial Instruments Business Operators (FIBO) under the Financial Instruments and Exchange Act (FIEA). Verify at fsa.go.jp. Foreign brokers not registered in Japan may not be able to legally serve Japan residents.
2. Capital gains are taxed at 20.315% flat. Japan's listed stock gains are taxed at a flat 20.315% (15% national income tax + 5% local inhabitant tax + 0.315% reconstruction tax). This applies to both capital gains and dividend income. Losses can be carried forward for 3 years using a tokutei kouza (specific account) with annual tax adjustment.
3. Use NISA for tax-free investing. The New NISA (2024+) is Japan's tax-exempt investment account. Annual investment limit: ¥1.2 million (Growth Investment) + ¥600,000 (Tsumitate). Lifetime limit: ¥18 million. All capital gains and dividends within NISA are completely tax-free. The new NISA has no time limit — unlike the old 5-year rules.
4. Investor protection via JIPF. Japan's Japan Investor Protection Fund (JIPC — 日本投資者保護基金) covers retail investors up to ¥10 million per investor per firm if an FSA-registered securities firm fails.
Top 4 Best Online Brokers in Japan — Detailed Reviews
IB
Interactive Brokers
★★★★½
Top pick
Commission
From ¥80/trade (TSE)
TSE Stocks
✓ Full TSE access
CFDs / Forex
✓ Forex + futures
Cash interest
Up to 4.8% USD
SBI
SBI Securities
★★★★★
Best local broker
Commission
¥0 (Zero Revolution)
TSE Stocks
✓ Full TSE access
Investment trusts
✓ 2,500+ funds
Regulation
FSA / TSE member
RK
Rakuten Securities
★★★★☆
Best for beginners
TSE Stocks
✓ Full TSE access
Investment trusts
✓ 2,700+ funds
Regulation
FSA / TSE member
Rakuten points
✓ Earn on trades
SX
Saxo Bank
★★★★☆
Best for global access
Commission
From ¥200/trade
CFDs / Forex
✓ Forex + options
Language
English available
⚠️ Investing involves risk of loss. CFD trading carries high risk — 51–80% of retail CFD accounts lose money. Capital is not guaranteed.
How to Get Started with Best Brokers in Japan
1
Choose an FSA-registered broker
All financial instruments firms in Japan must be registered with the FSA. Major domestic brokers (SBI Securities, Rakuten Securities, Matsui, Monex) are all FSA-registered. Foreign residents can open accounts at most major Japanese brokers with a valid residence card (zairu card) and My Number (マイナンバー).
2
Open a NISA account first
Open a NISA account as soon as possible — you can only have one NISA per person. Choose between Growth Investment (for individual stocks and ETFs up to ¥1.2M/year) and Tsumitate (for regular investment trusts up to ¥600K/year). Unused annual limits cannot be carried forward. Most domestic brokers open both simultaneously.
3
Fund via bank transfer
Fund via domestic bank transfer. Most Japanese brokers support same-day funding via netbanking. You'll need a Japanese bank account to fund a Japanese brokerage account. For international accounts (Interactive Brokers), fund via SWIFT international wire transfer.
4
Report gains to the NTA
For taxable accounts, gains are taxed at 20.315%. Use a tokutei kouza (specific account) with nenmatsu chōsei (year-end tax adjustment) and the broker handles tax withholding automatically — no need to file a tax return for most investors. Report to the NTA (National Tax Agency — 国税庁) via your annual tax return if required.
🇯🇵 Japan: Country Environment Blueprint
Primary Regulator
FSA (Financial Services Agency — 金融庁 Kinyu-cho) —
fsa.go.jp. Japan's integrated financial regulator. Brokers must register as Financial Instruments Business Operators (FIBO) under the FIEA (Financial Instruments and Exchange Act). The FSA also supervises banking (with BOJ) and insurance.
Investor Compensation
✅ JIPC (Japan Investor Protection Fund — 日本投資者保護基金) — covers retail investors up to ¥10 million per investor per firm if an FSA-registered securities firm fails. Japan is one of the highest investor protection limits globally.
Bank Deposit Protection
✅ Deposit Insurance Corporation of Japan (DICJ — 預金保険機構) — covers bank deposits up to ¥10 million per depositor per bank (excluding interest). This very high limit (over €60,000 equivalent) provides comprehensive protection for most retail investors.
Capital Gains Tax
20.315% flat rate on listed stock capital gains (15% national income tax + 5% local inhabitant tax + 0.315% reconstruction special income tax). This applies to both gains and dividends from listed stocks. Losses can offset gains and be carried forward for 3 years when using a tokutei kouza with annual tax adjustment. Gains within NISA are completely tax-free.
Dividend Tax
20.315% withholding on listed stock dividends. Investors can choose how dividends are taxed: (1) withholding at 20.315% (default), (2) aggregate with income (beneficial for lower-income investors), or (3) separate self-assessment. Dividends inside NISA are tax-free.
Crypto Tax
Crypto gains in Japan are classified as miscellaneous income (zatsushotoku) and taxed at progressive income tax rates up to 55% (including inhabitant tax). This is significantly higher than the 20.315% on listed stocks. Crypto gains are NOT eligible for NISA or loss carryforward. Japan is one of the toughest crypto tax regimes in Asia.
Tokutei Kouza
A tokutei kouza (特定口座, specific account) with year-end tax adjustment (源泉徴収あり) allows the broker to calculate, withhold and pay your tax automatically. Most investors don't need to file a tax return for brokerage income if using this account type. This simplicity makes tokutei kouza the standard account type for retail investors.
Tax Declaration
Annual income tax return to the NTA (National Tax Agency — 国税庁). Most investors using tokutei kouza with nenshu do not need to file for brokerage gains. Foreign-source income and non-tokutei gains must be self-reported. Japan participates in international automatic exchange (CRS).
New NISA (2024+)
All gains tax-free The redesigned NISA from January 2024 is one of the world's best tax-free investment accounts. Annual limits: ¥1.2 million (Growth Investment) + ¥600,000 (Tsumitate/accumulation). Lifetime limit: ¥18 million. Sold positions can be reinvested within the lifetime limit. No time limit (permanent). One NISA per person — open at any one broker.
iDeCo (Individual DC)
Contributions tax-deductible Japan's defined-contribution pension (individual type). Monthly contributions are fully deductible from income tax. Investment returns are tax-free while in the account. Available to most working-age adults. Contribution limits vary by employment status: ¥68,000/month (self-employed), ¥23,000 (company employee with no corporate DC), ¥12,000 (company employee with corporate DC). Funds locked until age 60.
General Pension System
Japan's national pension (kosei nenkin, kokumin nenkin) is mandatory for all residents. Employees contribute to Kosei Nenkin (厚生年金); self-employed to Kokumin Nenkin. Pension contributions are tax-deductible. Japan faces demographic headwinds — the government actively encourages supplementary saving via NISA and iDeCo.
US ETF Access
✅ Japan residents can access US-domiciled ETFs via brokers like Interactive Brokers. However, Japanese domestic brokers typically restrict US ETFs due to local product registration requirements. For maximum global ETF access, use a foreign broker (Interactive Brokers, Saxo) rather than a domestic Japanese broker for the taxable portion of your portfolio. NISA typically requires Japanese-domiciled investment trusts at domestic brokers.
Domestic Exchange
TSE (Tokyo Stock Exchange — 東京証券取引所) — Asia's largest exchange by market cap. Reorganised in 2022 into Prime, Standard and Growth markets. Key index: TOPIX (Tokyo Stock Price Index) and Nikkei 225. Major companies: Toyota, Sony, SoftBank, Mitsubishi UFJ. The TSE trades ~¥3 trillion daily. Also Osaka Exchange (JPX): futures and options.
FX / CFD Leverage
FSA regulations cap leverage for retail clients: 25:1 for major FX pairs, 10:1 for some FX pairs. Japan has one of the world's largest retail FX markets (FX証拠金取引). Leveraged crypto trading is capped at 2:1. Crypto margin trading requires additional licensing.
What Japan Investors Need to Know in 2026
Japan's New NISA launched in January 2024 is a genuine game-changer. Unlike the old NISA with its 5-year time limit and ¥1.2 million annual cap, the New NISA has no expiry, a ¥1.8 million combined annual limit, and a ¥18 million lifetime limit. All capital gains and dividends inside NISA are permanently tax-free. Given Japan's 20.315% flat tax on gains, maximising NISA is the highest-priority action for any Japanese investor.
The crypto tax situation in Japan is unusually harsh. While listed stocks are taxed at a flat 20.315%, crypto gains are classified as miscellaneous income and taxed at progressive rates up to 55% for high earners. This has prompted discussion of reform, but as of 2026 the treatment remains unchanged. Crypto investors should seek tax advice.
SBI Securities and Rakuten Securities dominate the Japanese online brokerage market. Both introduced zero-commission stock trading (Zero Revolution and Zero Kosu plans respectively) in 2023, making Japan one of the lowest-cost domestic markets for equity trading. However, neither offers English-language support — international investors typically prefer Interactive Brokers Japan or Saxo Bank for global access with English interfaces.
🏠 Local Platforms & Exchanges to Know
SBI
SBI Securities (SBI証券) — Japan's largest online broker by accounts. Zero-commission domestic stocks. Strong NISA and iDeCo. 2,500+ investment trusts. Japanese interface only. Subsidiary of SBI Holdings.
RK
Rakuten Securities (楽天証券) — Major Japanese broker, #2 by accounts. Zero-commission domestic stocks. Earn Rakuten points on transactions. Strong NISA and investment trust lineup. Japanese interface only.
MX
Monex Securities (マネックス証券) — Known for US stock access and research tools. Good for investors wanting both domestic and US exposure. Introduced zero-commission US stocks. Japanese-English partial support.
TSE
TSE (Tokyo Stock Exchange — 東京証券取引所) — Asia's leading exchange. Prime/Standard/Growth markets. TOPIX and Nikkei 225 indices. Part of Japan Exchange Group (JPX) alongside Osaka Exchange (derivatives).
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How we chose these platforms
Our team tested each broker for Japan residents, evaluating FSA registration, commission structure (especially NISA-eligible products), platform usability (including English-language availability), NISA and iDeCo access, TSE and international market coverage, and customer support. Rankings are updated regularly.
Frequently Asked Questions
How is capital gains tax calculated in Japan? +
In Japan, capital gains on listed stocks are taxed at a flat 20.315% (15% national income tax + 5% local inhabitant tax + 0.315% reconstruction special income tax). Gains and dividends inside NISA are completely tax-free. Using a tokutei kouza (specific account) with year-end tax adjustment (nenmatsu chōsei), the broker automatically withholds and pays tax — most investors don't need to file a separate tax return for brokerage gains. Losses can be carried forward for 3 years to offset future gains.
What is Japan's New NISA (2024+)? +
The New NISA launched in January 2024 allows annual tax-free investments of ¥1.2 million (Growth Investment — individual stocks, ETFs) and ¥600,000 (Tsumitate — investment trusts via regular automatic purchases), for a combined annual limit of ¥1.8 million. The lifetime limit is ¥18 million. Unlike the old NISA, there is no time limit — gains and dividends inside NISA are permanently tax-free. You can only hold one NISA account at one broker. Open one as soon as possible to maximise the lifetime limit.
Can foreign residents in Japan open a brokerage account? +
Yes, foreign residents with a valid residence card (zairu card) and My Number (マイナンバー) can generally open accounts at major Japanese brokers. Most accounts require a Japanese bank account and a Japanese address. English-language support is limited at domestic brokers — Interactive Brokers Japan and Saxo Bank offer English interfaces. NISA accounts are available to Japan residents regardless of nationality.