South Korea 2026 ISA Account Tax-Benefit Comparison (General / Low-Income / Farmer)

Korean ISA (Individual Savings Account) 2026: tax-free on first 2M KRW (general) or 4M KRW (low-income / farmer) of net gains, then 9.9% separate tax. Korean 20M KRW annual / 100M KRW lifetime cap. Compare General vs Low-Income vs Farmer and Brokerage vs Trust vs Discretionary types.

💼Open Korea FSC ISA Q&A — official Korean ISA guideOpen official page ↗
🧮 Korean ISA Tax-Saving Simulator
Tax-free Korean gains
2,000,000 KRW
※ After Korean loss-netting. Korean losses offset gains inside the ISA
Excess at 9.9% Korean separate tax
297,000 KRW
※ After Korean loss-netting. Korean losses offset gains inside the ISA
Korean pension extra-credit eligible
1,000,000 KRW
※ Within 60 days of Korean ISA maturity → extra 10% (cap 3M KRW) Korean tax credit
Vs. Korean regular account saving
473,000 KRW
※ Korean regular accounts tax interest & dividends at 15.4%. ISA saves about 473,000 KRW. Korean-listed equity capital gains are already tax-free, so no extra savings there.

💰 2026 Korean ISA Tax Benefits by Type

TypeKorean EligibilityTax-free CapExcess Tax
GeneralKorean resident age 19+ (any income)2M KRW9.9% separate
Low-incomeKorean salary ≤ 50M KRW or Korean comprehensive income ≤ 38M KRW (prior year)4M KRW9.9% separate
FarmerKorean comprehensive income ≤ 38M + Korean farming/fishing4M KRW9.9% separate
Korean Youth 19–34Korean Youth brokerage ISA (separate support conditions)Same + extras9.9% separate

🏦 Korean Brokerage vs Trust vs Discretionary ISA

ItemBrokerageTrustDiscretionary
Investment modeKorean holder picks stocks / ETFs / fundsKorean trustee holds designated productsKorean firm manages a portfolio
Korean providersKorean securities firmsKorean banks / securitiesKorean banks / securities / asset managers
Korean-listed stocksDirect purchaseNot allowed (only allowed products)Possible within Korean portfolio
Korean feesTrading commissions onlyKorean trust fee 0.1–0.5% p.a.Korean advisory fee 0.3–1% p.a.
Suitable forKorean self-directed investorsKorean conservative savings alternativeKorean delegated portfolio

📅 Korean ISA Common Rules (2026)

Korean annual cap20M KRW (unused carried to next year)
Korean lifetime cap100M KRW (over 5 Korean years)
Korean lock-in3 years (tax-free benefit lost if closed earlier)
Korean eligible productsKorean deposits, funds, ETFs, listed stocks, RPs, structured securities (some excluded — Korean unlisted, some ELS)
Korean loss nettingGains and losses across Korean ISA products are combined before tax — a key Korean advantage
Korean withdrawalsKorean principal is free to withdraw (withdrawing gains may cut tax-free benefit)
Korean pension rolloverWithin 60 days of Korean maturity → Korean pension savings / IRP; 10% of rolled amount (cap 3M KRW) separately eligible

🧠 Korean ISA Tax-Saving Strategy

  1. Check Korean low-income eligibility (≤ 50M KRW salary) — doubles the tax-free cap
  2. Open a Korean brokerage ISA → buy Korean listed stocks / ETFs / dividend stocks directly
  3. Split contributions (e.g. 1.66M KRW/mo) to keep Korean flexibility within 20M KRW/yr
  4. Close after 3 Korean years minimum — earlier closure forfeits Korean tax-free benefit
  5. Within 60 days of Korean maturity, roll into Korean pension savings / IRP for 10% extra credit (cap 3M KRW)
  6. Reopen after closure — Korean 100M KRW lifetime cap resets per account; re-qualify as Korean low-income if applicable

🔗 Official Korean Links

Korean ISA tax benefits and caps can change — verify on Korea FSC, FSS, or your Korean provider before opening.

This page summarises Korea FSC, FSS, and NTS public information (April 2026) for reference only and has no legal effect. Korean ISA tax-free caps, separate-tax rate, eligibility, and Korean pension-rollover credit can change with Korean tax-law revisions. Korean ISA products include investments that can lose principal (Korean funds, ETFs, stocks); before opening a Korean ISA, read the product and risk disclosures of your Korean provider and confirm it matches your Korean risk profile. Investment losses are the Korean investor's responsibility. This page applies to Korean-resident ISA accounts only.

What is a Korean ISA (Individual Savings Account)?

South Korea's ISA is a tax-advantaged omnibus Korean account launched in 2016. Inside one Korean ISA, you can hold deposits, funds, ETFs, Korean-listed stocks, RPs, and structured securities; all gains and losses are netted before Korean tax. After the 3-year Korean lock-in, the first 2M KRW of net gains (General) or 4M KRW (Low-Income / Farmer) is Korean tax-free; excess is taxed at 9.9% Korean separate tax (including local income tax). Any Korean resident aged 19+ can open one Korean ISA account; contributions are capped at 20M KRW/year and 100M KRW over 5 years. Within 60 days of Korean maturity, rolling into a Korean pension savings or IRP account adds 10% of the rolled amount (cap 3M KRW) to separately-eligible Korean tax credit. Korean ISAs come in three flavours — Brokerage (Korean self-directed, securities firm), Trust (Korean banks/securities, designated products), and Discretionary (Korean portfolio-delegated) — only Brokerage supports direct Korean stock trading.

How is Korean low-income eligibility tested?

Korean wage earners qualify with prior-year Korean gross salary ≤ 50M KRW; Korean self-employed with comprehensive income ≤ 38M KRW. Eligibility is fixed at Korean opening; you'll need the Korean NTS income certificate when applying.

Can I convert a Korean General ISA to Low-Income?

Yes — without closing the Korean account, request a conversion at your Korean provider with the Korean NTS income certificate; the Korean tax-free cap rises to 4M KRW.

Can a Korean ISA hold overseas ETFs?

Korean-listed ETFs tracking overseas indices (e.g. Korean-listed S&P500) qualify. Foreign-listed ETFs (US NYSE/NASDAQ direct) do NOT qualify — use a regular Korean brokerage account in parallel.

Does Korean ISA rollover really add extra Korean pension credit?

Yes — within 60 days of Korean maturity, rolling into Korean pension savings/IRP adds 10% (cap 3M KRW) to separately-eligible Korean tax credit, on top of the basic 9M KRW Korean cap — stacking to 12M KRW eligible per Korean year.

What if I close a Korean ISA early?

Closing before the 3-year Korean lock-in forfeits the tax-free / separate-tax benefit; gains are taxed at the regular Korean 15.4% withholding (with possible comprehensive taxation). Keep short-term Korean cash outside ISA.

What if I don't use the 20M KRW Korean annual cap?

Unused Korean annual cap carries into the next Korean year. E.g. 5M KRW in 2026 → 2027 cap becomes 20M + unused 15M = 35M KRW. The Korean 100M KRW lifetime cap still applies.

Korea 2026 ISA Tax-Benefit Guide — 2M/4M Tax-Free, 9.9% Separate, 20M Annual Cap

South Korea's ISA (개인종합자산관리계좌) is a Korean tax-advantaged omnibus account that bundles deposits, funds, ETFs, Korean-listed stocks, and RPs inside one Korean account and nets gains against losses before Korean tax. For 2026, Korean General ISA is tax-free on the first 2M KRW of net gains; Korean Low-Income (gross salary ≤ 50M KRW or comprehensive income ≤ 38M KRW) and Korean Farmer ISA are tax-free on 4M KRW. Excess is taxed at 9.9% Korean separate tax (including local income tax). Korean annual cap is 20M KRW (unused carried forward) and Korean lifetime cap is 100M KRW over 5 Korean years; the mandatory Korean lock-in is 3 years (closing earlier forfeits the tax-free benefit). Korean ISAs come in Brokerage (Korean self-directed, securities firm), Trust (Korean bank / securities designated products), and Discretionary (Korean advisory) flavours — Korean direct stock trading requires the Brokerage form. Within 60 days of Korean maturity, rolling into Korean pension savings / IRP adds 10% of the rolled amount (cap 3M KRW) to separately-eligible Korean pension tax credit, stacking with the basic 9M KRW cap to 12M KRW eligible per Korean year for low-bracket earners. Korean ISAs are especially efficient for Korean dividend stock / ETF long-term holding, Korean index-tracking ETF dollar-cost averaging, and combined deposit + dividend-fund strategies, thanks to Korean loss netting. File via Korea FSC guide (fsc.go.kr), Korea FSS Fine (fine.fss.or.kr), and Korea NTS Hometax; opening is available at Korean banks, securities firms, and asset managers.

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All calculators and tools on this site are based on the laws, tax rates, and policies of the Republic of Korea.

This calculator is provided for informational purposes only.

Results are estimates and may differ from actual amounts.

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