Japan vs South Korea: Income Tax Compared (2026)
Japan vs South Korea: tax rates, brackets, and take-home pay compared side by side.
| Metric |  Japan |  South Korea |
|---|---|---|
| Currency | JPY | KRW |
| Top marginal rate | 45% | 45% |
| Standard deduction | ¥580,000 | ₩1,500,000 |
| Filing deadline | 31 July | 31 July |
Estimated at $75,000 USD-equivalent income
Japan net income ≈ ¥9,365,400 (17.8% effective rate)
South Korea net income ≈ ₩82,265,000 (19.3% effective rate)
Take-home pay compared at four salary levels
Estimated Japan and South Korea income tax on the same four salaries, set in US dollars and converted at approximate fixed reference rates (not live exchange rates). Income tax only: social contributions are not deducted.
| Salary | Japan tax | Japan take-home | South Korea tax | South Korea take-home | Lower effective rate |
|---|---|---|---|---|---|
| $25,000 | ¥224,500 (5.9%) | ¥3,575,500 | ₩3,615,000 (10.6%) | ₩30,385,000 | Japan |
| $50,000 | ¥978,600 (12.9%) | ¥6,621,400 | ₩10,200,000 (15.0%) | ₩57,800,000 | Japan |
| $100,000 | ¥3,288,600 (21.6%) | ¥11,911,400 | ₩31,635,000 (23.3%) | ₩104,365,000 | Japan |
| $200,000 | ¥9,132,000 (30.0%) | ¥21,268,000 | ₩82,850,000 (30.5%) | ₩189,150,000 | Japan |
Japan Pros & Cons
- ✓¥580,000 standard deduction before tax applies
- ✓Clear filing deadline: 31 July
- ✕Top earners face a marginal rate of up to 45%
- ✕Progressive brackets mean higher earners pay a larger share
South Korea Pros & Cons
- ✓₩1,500,000 standard deduction before tax applies
- ✓Clear filing deadline: 31 July
- ✕Top earners face a marginal rate of up to 45%
- ✕Progressive brackets mean higher earners pay a larger share
Frequently asked questions
At $75,000 income, how does take-home pay compare?+
On an estimated $75,000 USD-equivalent income, our calculator shows Japan take-home of roughly ¥9,365,400 (17.8% effective rate) versus South Korea's ₩82,265,000 (19.3% effective rate). Use the calculator above with your own income for a personalized estimate.
How much tax would I pay moving from Japan to South Korea?+
On a $75,000 USD-equivalent salary our estimate is an effective income tax rate of 17.8% in Japan and 19.3% in South Korea, so moving from Japan to South Korea, income tax would rise by roughly $1,126 a year. This compares income tax only: social contributions, residency rules, visas and cost of living are not included.
How much tax would I pay moving from South Korea to Japan?+
On a $75,000 USD-equivalent salary our estimate is an effective income tax rate of 19.3% in South Korea and 17.8% in Japan, so moving from South Korea to Japan, income tax would fall by roughly $1,126 a year. This compares income tax only: social contributions, residency rules, visas and cost of living are not included.
Which has the higher top tax rate, Japan or South Korea?+
Japan and South Korea share the same estimated top marginal rate of 45%.
What's the standard deduction in each country?+
Japan's estimated standard deduction is ¥580,000, while South Korea's is ₩1,500,000. A larger deduction reduces the income that's actually taxed.
Are these figures exact?+
No — these are estimates generated from a simplified model of each country's published tax brackets, intended for planning purposes. They don't account for every credit, allowance, or surcharge. Always confirm current-year figures with Japan's and South Korea's official tax authorities before making a decision.
Compare Japan with other countries
Compare South Korea with other countries
Figures shown are estimates for the current tax year and do not include every deduction, credit or surcharge that may apply. Always confirm with each country's official tax authority.