AU · OceaniaSB · Oceania
Australia vs Solomon Islands: tax rates compared
Australia's income tax rate is 7pp higher than Solomon Islands's (47% vs 40%). The 200-country average is 28%: both sit above it. Australia's figure is dated 2025-01-01 and Solomon Islands's 2026-05-18, 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
| Tax | AU | SB | Difference |
|---|---|---|---|
| Income Tax | 47% | 40% | AU +7 pp |
| Corporate Tax | 30% | 30% | match |
| Capital Gains Tax | 45% | 0% | AU +45 pplargest gap |
| Crypto Tax | 45% | 0% | AU +45 pp |
| Wealth Tax | 0% | 0% | match |
Income Tax
| Country | Rate | Source |
|---|---|---|
| Australia | 47% | Source: OECD Tax Database — Top statutory personal income tax rates · as of 2025-01-01 |
| Solomon Islands | 40% | Source: Solomon Islands Inland Revenue Division — Income Tax · as of 2026-05-18 |
| Difference | +7 pp | Australia higher |
Corporate Tax
| Country | Rate | Source |
|---|---|---|
| Australia | 30% | 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 | 0 pp | displayed rates match |
Australia's corporate tax rate is identical to Solomon Islands's — both sit at 30%. The 201-country average is 22.6%: both sit above it.
Capital Gains Tax
| Country | Rate | Source |
|---|---|---|
| Australia | 45% | Source: PWC Worldwide Tax Summaries — Australia (Individual, Taxes on personal income) · as of 2026-06-30 |
| Solomon Islands | 0% | Source: Solomon Islands Inland Revenue Division — Tax Information · as of 2026-07-19 |
| Difference | +45 pp | Australia higher |
Australia's capital gains tax rate is 45pp higher than Solomon Islands's (45% vs 0%). The 175-country average is 10.3%: Australia sits above it, Solomon Islands sits below it.
Crypto Tax
| Country | Rate | Source |
|---|---|---|
| Australia | 45% | Source: Australian Taxation Office — How to work out and report CGT on crypto · as of 2026-06-22 |
| Solomon Islands | 0% | Source: Solomon Islands Inland Revenue Division — Income Tax · as of 2026-07-19 |
| Difference | +45 pp | Australia higher |
Australia's crypto tax rate is 45pp higher than Solomon Islands's (45% vs 0%). The 88-country average is 13%: Australia sits above it, Solomon Islands sits below it.
Wealth Tax
| Country | Rate | Source |
|---|---|---|
| Australia | 0% | Source: PWC Worldwide Tax Summaries — Australia (Net wealth/worth tax rates) · as of 2026-06-30 |
| Solomon Islands | 0% | Source: Solomon Islands Inland Revenue Division · as of 2026-07-18 |
| Difference | 0 pp | displayed rates match |
Australia'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.