GW · AfricaSB · Oceania
Guinea-Bissau vs Solomon Islands: tax rates compared
Solomon Islands has an income tax rate of 40%, 20pp above Guinea-Bissau's 20%. The 200-country average is 28%: Guinea-Bissau sits below it, Solomon Islands sits above it. Guinea-Bissau's figure is dated 2021-01-31 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
| Tax | GW | SB | Difference |
|---|---|---|---|
| Income Tax | 20% | 40% | SB +20 pplargest gap |
| Corporate Tax | 25% | 30% | SB +5 pp |
| Wealth Tax | 0% | 0% | match |
Income Tax
| Country | Rate | Source |
|---|---|---|
| Guinea-Bissau | 20% | Source: Ministério das Finanças (Guiné-Bissau) — Código do Imposto Profissional, Artigo 27º (Redação atribuída pelo artigo 10º da Lei nº 1/2021), via Kontaktu legislation portal · as of 2021-01-31 |
| Solomon Islands | 40% | Source: Solomon Islands Inland Revenue Division — Income Tax · as of 2026-05-18 |
| Difference | −20 pp | Solomon Islands higher |
Corporate Tax
| Country | Rate | Source |
|---|---|---|
| Guinea-Bissau | 25% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Solomon Islands | 30% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Difference | −5 pp | Solomon Islands higher |
Solomon Islands has a corporate tax rate of 30%, 5pp above Guinea-Bissau's 25%. The 201-country average is 22.6%: both sit above it.
Wealth Tax
| Country | Rate | Source |
|---|---|---|
| Guinea-Bissau | 0% | Source: Direção Geral das Contribuições e Impostos (DGCI) Guiné-Bissau — official withholding-tax return instructions (Instrução de Serviço, DGCI/2021), hosted on the Ministério das Finanças domain · as of 2026-07-18 |
| Solomon Islands | 0% | Source: Solomon Islands Inland Revenue Division · as of 2026-07-18 |
| Difference | 0 pp | displayed rates match |
Guinea-Bissau 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.