KR · AsiaTO · Oceania
South Korea vs Tonga: tax rates compared
Between the two, South Korea's income tax rate (49.5%) tops Tonga's (25%) by 24.5pp. The 200-country average is 28%: South Korea sits above it, Tonga sits below it. South Korea's figure is dated 2025-01-01 and Tonga's 2021-07-01, so the two rates come from different data vintages.
Verified data covers four of the six tracked tax types for both countries; every rate below is cited to its source and dated.
At a glance
| Tax | KR | TO | Difference |
|---|---|---|---|
| Income Tax | 49.5% | 25% | KR +24.5 pplargest gap |
| Corporate Tax | 26.4% | 25% | KR +1.4 pp |
| VAT | 10% | 15% | TO +5 pp |
| Wealth Tax | 0% | 0% | match |
Income Tax
| Country | Rate | Source |
|---|---|---|
| South Korea | 49.5% | Source: OECD Tax Database — Top statutory personal income tax rates · as of 2025-01-01 |
| Tonga | 25% | Source: Ministry of Revenue & Customs, Government of Tonga — Individual Employee · as of 2021-07-01 |
| Difference | +24.5 pp | South Korea higher |
Corporate Tax
| Country | Rate | Source |
|---|---|---|
| South Korea | 26.4% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Tonga | 25% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Difference | +1.4 pp | South Korea higher |
Between the two, South Korea's corporate tax rate (26.4%) tops Tonga's (25%) by 1.4pp. The 201-country average is 22.6%: both sit above it.
VAT
| Country | Rate | Source |
|---|---|---|
| South Korea | 10% | Source: PWC Worldwide Tax Summaries — Korea, Republic of (Corporate, Other taxes) · as of 2026-06-04 |
| Tonga | 15% | Source: Consumption Tax Act (CAP 26.02, 2016 Revised Edition), Kingdom of Tonga · as of 2010-11-24 |
| Difference | −5 pp | Tonga higher |
Between the two, Tonga's VAT rate (15%) tops South Korea's (10%) by 5pp. The 181-country average is 15%: South Korea sits below it, Tonga matches the world average. South Korea's figure is dated 2026-06-04 and Tonga's 2010-11-24, so the two rates come from different data vintages.
Wealth Tax
| Country | Rate | Source |
|---|---|---|
| South Korea | 0% | Source: PWC Worldwide Tax Summaries — Korea, Republic of (Individual, Other taxes) · as of 2026-07-02 |
| Tonga | 0% | Source: Tonga Ministry of Revenue & Customs — Tax Legislations (official index) · as of 2026-07-18 |
| Difference | 0 pp | displayed rates match |
There's no gap here — South Korea and Tonga both post a wealth tax rate of 0%. The 193-country average is 0.1%: both sit below it.
Not covered for both countries yet: Capital Gains Tax, Crypto Tax.