NR · OceaniaSB · Oceania

Nauru vs Solomon Islands: tax rates compared

Solomon Islands's income tax rate is 20pp higher than Nauru's (40% vs 20%). The 200-country average is 28%: Nauru sits below it, Solomon Islands sits above it. Nauru's figure is dated 2023-07-01 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 NR 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
Nauru20%Source: Nauru Revenue Office, Ministry of Finance — Tax Rates (1 July 2023 - 30 June 2024) · as of 2023-07-01
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
Nauru25%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 Nauru's (30% vs 25%). The 201-country average is 22.6%: both sit above it.

Wealth Tax

Wealth Tax, side by side
CountryRateSource
Nauru0%Source: Department of Finance, Republic of Nauru — NRO administered legislation · as of 2026-07-18
Solomon Islands0%Source: Solomon Islands Inland Revenue Division · as of 2026-07-18
Difference0 ppdisplayed rates match

Nauru'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, Capital Gains Tax, Crypto Tax.