GM · AfricaSB · Oceania
Gambia vs Solomon Islands: tax rates compared
Solomon Islands has an income tax rate of 40%, 15pp above Gambia's 25%. The 200-country average is 28%: Gambia sits below it, Solomon Islands sits above it. Gambia's figure is dated 2018-01-01 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
| Tax | GM | SB | Difference |
|---|---|---|---|
| Income Tax | 25% | 40% | SB +15 pplargest gap |
| Corporate Tax | 27% | 30% | SB +3 pp |
| Capital Gains Tax | 15% | 0% | GM +15 pp |
| Wealth Tax | 0% | 0% | match |
Income Tax
| Country | Rate | Source |
|---|---|---|
| Gambia | 25% | Source: Gambia Revenue Authority — Personal Income Tax · as of 2018-01-01 |
| Solomon Islands | 40% | Source: Solomon Islands Inland Revenue Division — Income Tax · as of 2026-05-18 |
| Difference | −15 pp | Solomon Islands higher |
Corporate Tax
| Country | Rate | Source |
|---|---|---|
| Gambia | 27% | 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 | −3 pp | Solomon Islands higher |
Solomon Islands has a corporate tax rate of 30%, 3pp above Gambia's 27%. The 201-country average is 22.6%: both sit above it.
Capital Gains Tax
| Country | Rate | Source |
|---|---|---|
| Gambia | 15% | Source: Gambia Revenue Authority — Domestic Taxes FAQs · as of 2026-07-19 |
| Solomon Islands | 0% | Source: Solomon Islands Inland Revenue Division — Tax Information · as of 2026-07-19 |
| Difference | +15 pp | Gambia higher |
Gambia has a capital gains tax rate of 15%, 15pp above Solomon Islands's 0%. The 175-country average is 10.3%: Gambia sits above it, Solomon Islands sits below it.
Wealth Tax
| Country | Rate | Source |
|---|---|---|
| Gambia | 0% | Source: Gambia Revenue Authority · 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 |
Gambia 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, Crypto Tax.