SL · AfricaSB · Oceania

Sierra Leone vs Solomon Islands: tax rates compared

Solomon Islands's income tax rate is 10pp higher than Sierra Leone's (40% vs 30%). The 200-country average is 28%: both sit above it. Sierra Leone's figure is dated 2021-01-01 and Solomon Islands's 2026-05-18, 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

0102030405060Income30%40%Corporate25%30%Capital Gains0%25%Wealth Tax0%
four shared taxes, side by side
Tax SL SBDifference
Income Tax30%40%SB +10 pp
Corporate Tax25%30%SB +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
Solomon Islands40%Source: Solomon Islands Inland Revenue Division — Income Tax · as of 2026-05-18
Difference−10 ppSolomon Islands higher

Corporate Tax

Corporate Tax, side by side
CountryRateSource
Sierra Leone25%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
Solomon Islands30%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
Difference−5 ppSolomon Islands higher

Solomon Islands's corporate tax rate is 5pp higher than Sierra Leone's (30% vs 25%). The 201-country average is 22.6%: both sit above it.

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
Solomon Islands0%Source: Solomon Islands Inland Revenue Division — Tax Information · as of 2026-07-19
Difference+25 ppSierra Leone higher

Sierra Leone's capital gains tax rate is 25pp higher than Solomon Islands's (25% vs 0%). The 175-country average is 10.3%: Sierra Leone sits above it, Solomon Islands sits below it. Sierra Leone's figure is dated 2021-01-01 and Solomon Islands's 2026-07-19, 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
Solomon Islands0%Source: Solomon Islands Inland Revenue Division · as of 2026-07-18
Difference0 ppdisplayed rates match

Sierra Leone's wealth tax rate is identical to Solomon Islands's — both sit at 0%. The 193-country average is 0.1%: both sit below it.

Not covered for both countries yet: VAT, Crypto Tax.