MN · AsiaSL · Africa
Mongolia vs Sierra Leone: tax rates compared
Sierra Leone's income tax rate is 10pp higher than Mongolia's (30% vs 20%). The 200-country average is 28%: Mongolia sits below it, Sierra Leone sits above it. Mongolia's figure is dated 2026-06-08 and Sierra Leone's 2021-01-01, 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 | MN | SL | Difference |
|---|---|---|---|
| Income Tax | 20% | 30% | SL +10 pp |
| Corporate Tax | 25% | 25% | match |
| VAT | 10% | 15% | SL +5 pp |
| Capital Gains Tax | 10% | 25% | SL +15 pplargest gap |
| Wealth Tax | 0% | 0% | match |
Income Tax
| Country | Rate | Source |
|---|---|---|
| Mongolia | 20% | Source: PWC Worldwide Tax Summaries — Mongolia (Individual, Taxes on personal income) · as of 2026-06-08 |
| Sierra Leone | 30% | Source: Sierra Leone National Revenue Authority — 2022 NRA Tax Guide · as of 2021-01-01 |
| Difference | −10 pp | Sierra Leone higher |
Corporate Tax
| Country | Rate | Source |
|---|---|---|
| Mongolia | 25% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Sierra Leone | 25% | Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01 |
| Difference | 0 pp | displayed rates match |
Mongolia's corporate tax rate is identical to Sierra Leone's — both sit at 25%. The 201-country average is 22.6%: both sit above it.
VAT
| Country | Rate | Source |
|---|---|---|
| Mongolia | 10% | Source: PWC Worldwide Tax Summaries — Mongolia (Corporate, Other taxes) · as of 2026-06-08 |
| Sierra Leone | 15% | Source: National Revenue Authority (Sierra Leone) — A Guide to the GST Legislation · as of 2009-03-01 |
| Difference | −5 pp | Sierra Leone higher |
Sierra Leone's VAT rate is 5pp higher than Mongolia's (15% vs 10%). The 181-country average is 15%: Mongolia sits below it, Sierra Leone matches the world average. Mongolia's figure is dated 2026-06-08 and Sierra Leone's 2009-03-01, so the two rates come from different data vintages.
Capital Gains Tax
| Country | Rate | Source |
|---|---|---|
| Mongolia | 10% | Source: PwC Worldwide Tax Summaries — Mongolia (Individual, Income determination) · as of 2026-06-08 |
| Sierra Leone | 25% | Source: National Revenue Authority, Sierra Leone — Finance Act 2021 (Section 13, amending Income Tax Act 2000 Section 57(1)) · as of 2021-01-01 |
| Difference | −15 pp | Sierra Leone higher |
Sierra Leone's capital gains tax rate is 15pp higher than Mongolia's (25% vs 10%). The 175-country average is 10.3%: Mongolia sits below it, Sierra Leone sits above it. Mongolia's figure is dated 2026-06-08 and Sierra Leone's 2021-01-01, so the two rates come from different data vintages.
Wealth Tax
| Country | Rate | Source |
|---|---|---|
| Mongolia | 0% | Source: PWC Worldwide Tax Summaries — Net wealth/worth tax rates (quick chart) · as of 2026-06-08 |
| Sierra Leone | 0% | Source: Sierra Leone National Revenue Authority — Tax Laws & Regulations (official index) · as of 2026-07-18 |
| Difference | 0 pp | displayed rates match |
Mongolia's wealth tax rate is identical to Sierra Leone's — both sit at 0%. The 193-country average is 0.1%: both sit below it.
Not covered for both countries yet: Crypto Tax.