GG · EuropeSM · Europe
Guernsey vs San Marino: tax rates compared
San Marino's income tax rate is 15pp higher than Guernsey's (35% vs 20%). The 200-country average is 28%: Guernsey sits below it, San Marino sits above it.
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 | GG | SM | Difference |
|---|---|---|---|
| Income Tax | 20% | 35% | SM +15 pp |
| Corporate Tax | 0% | 17% | SM +17 pplargest gap |
| Capital Gains Tax | 0% | 10% | SM +10 pp |
| Wealth Tax | 0% | 0% | match |
Income Tax
| Country | Rate | Source |
|---|---|---|
| Guernsey | 20% | Source: PwC Worldwide Tax Summaries — Guernsey, Channel Islands, Individual - Taxes on personal income · as of 2025-12-17 |
| San Marino | 35% | Source: Consiglio Grande e Generale (Parliament of San Marino) — Legge 16 dicembre 2013 n.166, testo coordinato in materia di imposta generale sui redditi, Allegato C (consolidated text, updated to 12 December 2025) · as of 2025-12-12 |
| Difference | −15 pp | San Marino higher |
Corporate Tax
| Country | Rate | Source |
|---|---|---|
| Guernsey | 0% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| San Marino | 17% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Difference | −17 pp | San Marino higher |
San Marino's corporate tax rate is 17pp higher than Guernsey's (17% vs 0%). The 201-country average is 22.6%: both sit below it.
Capital Gains Tax
| Country | Rate | Source |
|---|---|---|
| Guernsey | 0% | Source: PwC Worldwide Tax Summaries — Guernsey, Channel Islands, Individual - Income determination · as of 2025-12-17 |
| San Marino | 10% | Source: Consiglio Grande e Generale (Parliament of San Marino) — Legge 16 dicembre 2013 n.166, testo coordinato in materia di imposta generale sui redditi (consolidated text, updated to 22 December 2025) · as of 2026-01-01 |
| Difference | −10 pp | San Marino higher |
San Marino's capital gains tax rate is 10pp higher than Guernsey's (10% vs 0%). The 175-country average is 10.3%: both sit below it. Guernsey's figure is dated 2025-12-17 and San Marino's 2026-01-01, so the two rates come from different data vintages.
Wealth Tax
| Country | Rate | Source |
|---|---|---|
| Guernsey | 0% | Source: PWC Worldwide Tax Summaries — Guernsey (Individual, Other taxes) · as of 2025-12-17 |
| San Marino | 0% | Source: Repubblica di San Marino, Portale del Governo — IGR: Gestione Imposte dirette, Patrimoniale (official administrative portal) · as of 2026-07-18 |
| Difference | 0 pp | displayed rates match |
Guernsey's wealth tax rate is identical to San Marino's — both sit at 0%. The 193-country average is 0.1%: both sit below it. Guernsey's figure is dated 2025-12-17 and San Marino's 2026-07-18, so the two rates come from different data vintages.
Not covered for both countries yet: VAT, Crypto Tax.