South Korea vs Hong Kong: Tax Comparison
South Korea residents earning $400k face ~44.1% effective tax. Moving to Hong Kong (2–17% (capped at 15%)) could save you $116,554 per year.
Tax Savings at Every Income Level
Side-by-side comparison of annual tax paid in South Korea vs Hong Kong (all amounts in USD).
| Annual Income | South Korea Tax | Hong Kong Tax | Annual Savings |
|---|---|---|---|
| $100,000 | $31,567 (31.6%) | $14,696 (14.7%) | +$16,871 |
| $150,000 | $54,702 (36.5%) | $22,500 (15%) | +$32,202 |
| $200,000 | $78,051 (39%) | $30,000 (15%) | +$48,051 |
| $300,000 | $126,664 (42.2%) | $45,000 (15%) | +$81,664 |
| $400,000 | $176,554 (44.1%) | $60,000 (15%) | +$116,554 |
Side-by-Side Comparison
| Category | South Korea | Hong Kong |
|---|---|---|
| Tax System | Progressive | 2–17% (capped at 15%) |
| Effective Rate ($400k) | 44.1% | 15% |
| Capital Gains Tax | Yes | None |
| Monthly CoL (mid-tier) | $2,900 | $4,000 |
| Min Residency Stay | — | 60+ days/yr |
| Visa Complexity | — | 6/10 |
| English Literacy | — | 8/10 |
Why People Move from South Korea to Hong Kong
At $400,000 annual income, South Korea residents pay approximately $176,554 in taxes. Relocating to Hong Kong reduces this to $60,000, a saving of $116,554 per year.
Cost of living in Hong Kong ($4,000/mo) is higher than Seoul ($2,900/mo), but the tax savings of $116,554/yr far outweigh the $13,200 additional annual cost.
Hong Kong has strong English accessibility (8/10), making the transition easier for South Korea expats.
Leaving South Korea: What to Know
Tax Departure Rules for South Korea
South Korea does not impose a formal departure or exit tax on individuals. However, unrealised gains on certain overseas financial accounts may be scrutinised under FBAR-style reporting obligations. You must file a final year tax return covering income up to your departure date.
Capital gains considerations: South Korea taxes capital gains on Korean real estate and shares in Korean companies. Non-residents are still liable for Korean-source capital gains at rates from 20-25%. Shares in listed Korean companies held by non-residents are generally exempt if the holding is below 25%.
Practical steps when leaving: Deregister from your local district office (dong/myeon), file a final income tax return with the NTS, and appoint a tax agent if you have ongoing Korean-source income. Cancel your National Health Insurance enrolment upon departure.
Net financial benefit: After accounting for both tax savings ($116,554/yr) and cost of living differences (-$13,200/yr), relocating from South Korea to Hong Kong produces a net annual benefit of approximately $103,354 at $400,000 income.
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Frequently Asked Questions
How much tax would I save moving from South Korea to Hong Kong?
At a $400,000 USD annual income, moving from South Korea to Hong Kong could save approximately $117k per year in taxes. South Korea has an effective tax rate of ~44.1% at this income level, while Hong Kong charges 2–17% (capped at 15%). Actual savings depend on your income type, deductions, and residency status.
What is the tax rate in Hong Kong?
Progressive salaries tax 2-17%, but capped at 15% standard rate on total income (you pay the lower). Territorial system — only HK-sourced income is taxed. Foreign income fully exempt.
What is the cost of living in Hong Kong compared to South Korea?
A mid-tier lifestyle in Hong Kong costs approximately $4,000/month, compared to $2,900/month in Seoul. That's $1,100 more expensive per month, or $13,200 additional cost per year.
Do I need a visa to live in Hong Kong?
Employment visa, Investment visa, or Top Talent Pass Scheme (TTPS) for high earners. Ordinarily resident in HK. No strict day-count — based on permanent home and centre of vital interests.
What are the steps to leave South Korea for tax purposes?
Deregister from your local district office (dong/myeon), file a final income tax return with the NTS, and appoint a tax agent if you have ongoing Korean-source income. Cancel your National Health Insurance enrolment upon departure. South Korea has bilateral social security agreements with over 30 countries including the US, UK, Australia, Canada, Germany, and Japan. These prevent double contributions and allow pension aggregation.
What happens to my South Korea pension if I move to Hong Kong?
Korean National Pension (NPS) contributions can be refunded as a lump-sum when a foreigner leaves Korea permanently, or preserved for future pension payments. Korean nationals can receive their NPS pension overseas if they have at least 10 years of contributions.
Will I pay capital gains tax when leaving South Korea?
South Korea taxes capital gains on Korean real estate and shares in Korean companies. Non-residents are still liable for Korean-source capital gains at rates from 20-25%. Shares in listed Korean companies held by non-residents are generally exempt if the holding is below 25%. South Korea does not impose a formal departure or exit tax on individuals. However, unrealised gains on certain overseas financial accounts may be scrutinised under FBAR-style reporting obligations. You must file a final year tax return covering income up to your departure date.