GN · AfricaSB · Oceania

Guinea vs Solomon Islands: tax rates compared

Solomon Islands has an income tax rate of 40%, 20pp above Guinea's 20%. The 200-country average is 28%: Guinea sits below it, Solomon Islands sits above it. Guinea's figure is dated 2022-01-01 and Solomon Islands's 2026-05-18, so the two rates come from different data vintages.

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

At a glance

0102030405060Income20%40%Corporate25%30%Wealth Tax0%
three shared taxes, side by side
Tax GN SBDifference
Income Tax20%40%SB +20 pplargest gap
Corporate Tax25%30%SB +5 pp
Wealth Tax0%0%match

Income Tax

Income Tax, side by side
CountryRateSource
Guinea20%Source: Guinea Code Général des Impôts (Loi ordinaire L/2021/032/AN), Direction Générale des Impôts, Articles 63-64 · as of 2022-01-01
Solomon Islands40%Source: Solomon Islands Inland Revenue Division — Income Tax · as of 2026-05-18
Difference−20 ppSolomon Islands higher

Corporate Tax

Corporate Tax, side by side
CountryRateSource
Guinea25%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 has a corporate tax rate of 30%, 5pp above Guinea's 25%. The 201-country average is 22.6%: both sit above it.

Wealth Tax

Wealth Tax, side by side
CountryRateSource
Guinea0%Source: Direction Générale des Impôts (DGI) Guinée — official site · as of 2026-07-18
Solomon Islands0%Source: Solomon Islands Inland Revenue Division · as of 2026-07-18
Difference0 ppdisplayed rates match

Guinea and Solomon Islands share the same wealth tax rate: 0%. The 193-country average is 0.1%: both sit below it.

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