SL · AfricaKR · Asia

Sierra Leone vs South Korea: tax rates compared

Between the two, South Korea's income tax rate (49.5%) tops Sierra Leone's (30%) by 19.5pp. The 200-country average is 28%: both sit above it. Sierra Leone's figure is dated 2021-01-01 and South Korea's 2025-01-01, so the two rates come from different data vintages.

Verified data covers five of the six tracked tax types for both countries; every rate below is cited to its source and dated.

At a glance

0102030405060Income30%49.5%Corporate25%26.4%VAT10%15%Capital Gains0%25%Wealth Tax0%
five shared taxes, side by side
Tax SL KRDifference
Income Tax30%49.5%KR +19.5 pp
Corporate Tax25%26.4%KR +1.4 pp
VAT15%10%SL +5 pp
Capital Gains Tax25%0%SL +25 pplargest gap
Wealth Tax0%0%match

Income Tax

Income Tax, side by side
CountryRateSource
Sierra Leone30%Source: Sierra Leone National Revenue Authority — 2022 NRA Tax Guide · as of 2021-01-01
South Korea49.5%Source: OECD Tax Database — Top statutory personal income tax rates · as of 2025-01-01
Difference−19.5 ppSouth Korea higher

Corporate Tax

Corporate Tax, side by side
CountryRateSource
Sierra Leone25%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
South Korea26.4%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
Difference−1.4 ppSouth Korea higher

Between the two, South Korea's corporate tax rate (26.4%) tops Sierra Leone's (25%) by 1.4pp. The 201-country average is 22.6%: both sit above it.

VAT

VAT, side by side
CountryRateSource
Sierra Leone15%Source: National Revenue Authority (Sierra Leone) — A Guide to the GST Legislation · as of 2009-03-01
South Korea10%Source: PWC Worldwide Tax Summaries — Korea, Republic of (Corporate, Other taxes) · as of 2026-06-04
Difference+5 ppSierra Leone higher

Between the two, Sierra Leone's VAT rate (15%) tops South Korea's (10%) by 5pp. The 181-country average is 15%: Sierra Leone matches the world average, South Korea sits below it. Sierra Leone's figure is dated 2009-03-01 and South Korea's 2026-06-04, so the two rates come from different data vintages.

Capital Gains Tax

Capital Gains Tax, side by side
CountryRateSource
Sierra Leone25%Source: National Revenue Authority, Sierra Leone — Finance Act 2021 (Section 13, amending Income Tax Act 2000 Section 57(1)) · as of 2021-01-01
South Korea0%Source: PWC Worldwide Tax Summaries — Korea, Republic of (Individual, Income determination) · as of 2026-07-02
Difference+25 ppSierra Leone higher

Between the two, Sierra Leone's capital gains tax rate (25%) tops South Korea's (0%) by 25pp. The 175-country average is 10.3%: Sierra Leone sits above it, South Korea sits below it. Sierra Leone's figure is dated 2021-01-01 and South Korea's 2026-07-02, so the two rates come from different data vintages.

Wealth Tax

Wealth Tax, side by side
CountryRateSource
Sierra Leone0%Source: Sierra Leone National Revenue Authority — Tax Laws & Regulations (official index) · as of 2026-07-18
South Korea0%Source: PWC Worldwide Tax Summaries — Korea, Republic of (Individual, Other taxes) · as of 2026-07-02
Difference0 ppdisplayed rates match

There's no gap here — Sierra Leone and South Korea 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: Crypto Tax.