What is the primary source for tax rates on this site?

The OECD Tax Database is our primary reference for all OECD and G20 member countries. It is supplemented by national tax authority publications (DGFiP, HMRC, IRS, etc.) and PwC Worldwide Tax Summaries for special regime details.

How often are tax rates updated?

Rates are reviewed annually each April following the OECD annual publication. Mid-year legislative changes exceeding 5 percentage points trigger an immediate update. The date of last review is shown on every country page.

What does top marginal rate mean?

The top marginal rate is the statutory income tax rate applied to the highest income bracket in a given country. It does not include social security contributions unless stated, and does not represent the effective rate paid by most taxpayers.

Can I reuse the data from this site?

Raw tax rates derived from OECD and official government sources are public data. The editorial compilation, analysis, calculated scenarios, and design are copyright TaxRatesByCountry.com. Please attribute the site if you republish data tables.

Data Methodology

How we source, verify, and update tax rate data — Last reviewed: 28 April 2026 — Author: Henri Bousquet, Founder & Editor, TaxRatesByCountry.com

Transparency about our sources and methods is essential for a site covering tax data — a domain where inaccuracy has direct financial consequences for users. This page documents every step of our data pipeline, its limitations, and when to seek additional professional verification.

1. Data Sources — Priority Order

We apply a strict source hierarchy. A figure from a higher-priority source always overrides one from a lower-priority source:

National tax authority official publications — DGFiP (France), HMRC (UK), IRS (US), Agencia Tributaria (Spain), Belastingdienst (Netherlands), and equivalents for each jurisdiction. These are the legally binding primary source for their country.
OECD Tax Database — The OECD Tax Database provides standardised, annually published comparative statistics for all OECD and G20 members. It is our primary cross-check and the source of OECD averages shown on country pages.
PwC Worldwide Tax Summaries — Used for special regimes, impatriate rules, nomad visa tax implications, and SME rate details not always captured at the same granularity in the OECD database.
IBFD (International Bureau of Fiscal Documentation) — Selected use for treaty analysis and complex withholding tax structures.
Tax Foundation — Cross-referencing comparative rankings and policy analysis.
EU Commission Decisions and Directives — For EU-harmonised rules: VAT Directive, DAC6 mandatory disclosure (Directive 2018/822), Pillar Two OECD/G20 framework (15% global minimum).

2. What Each Metric Means

Metric shown	Definition	What it excludes
Top marginal income tax rate	Statutory rate applied to the highest income bracket for individual residents	Social security contributions, local/municipal surcharges, solidarity taxes (unless noted separately)
Lowest income tax rate	Statutory rate on the first taxable bracket above the personal allowance	Tax-free thresholds, personal allowances, family quotients
Corporate tax rate	Standard statutory corporate income tax rate for resident companies	Local business taxes (e.g. German Gewerbesteuer ~14%), SME reduced rates unless noted, withholding taxes
VAT standard rate	Standard VAT/GST/sales tax rate applicable to most goods and services	Reduced rates, exemptions, sector-specific rules
Capital gains rate	Headline rate on investment income and capital gains for individuals	Real estate gains (often taxed differently), participation exemptions, holding period allowances
Social security — employee	Total employee-side mandatory social contribution rate as % of gross salary	Employer contributions, caps on contribution bases, industry-specific variations
Effective tax rate scenarios	Simplified estimates of total burden (income tax + social security) at specific income levels	Itemised deductions, dependent credits, specific treaty benefits, local taxes

3. Verification Process

Step 1 — Annual data ingestion

Each April, the OECD releases its updated Tax Database. We ingest this as the baseline for all OECD member countries. Non-OECD countries are populated from PwC Worldwide Tax Summaries supplemented by national authority publications.

Step 2 — Cross-referencing

Every rate is independently cross-checked against at least two sources. Discrepancies are resolved by reverting to the national tax authority publication as the binding reference, with an editorial note explaining the discrepancy where relevant.

Step 3 — Editorial review

Country pages are reviewed for internal consistency (e.g. does the special regime description match the statutory rate shown?), correct source attribution in the source column of each data table, and accurate tier classification relative to OECD averages.

Step 4 — Publication and dating

The dateModified field in each page's Schema.org markup reflects the date of last verified review. The header disclaimer on each page shows the data vintage (e.g. "Updated April 2026 · OECD 2026 data").

4. Update Policy

Trigger	Update timeline
Annual OECD Tax Database publication (typically March–April)	Full site review completed within 30 days of OECD release
Major legislative change (>5 pp rate change, or new special regime enacted)	Affected page updated within 14 days of official gazette / OECD legislative alert
User-reported correction with official source provided	Reviewed and corrected within 5 business days
Minor clarification (eligibility wording, notes updates)	Addressed in next monthly editorial sweep

5. Data Licence and Attribution

OECD data

OECD Tax Database data is published under the OECD Terms and Conditions, which permit non-commercial reproduction with attribution. We cite the OECD as source on every page that uses their data. The OECD logo and branding are not used on this site.

Eurostat data

Eurostat data is released under the Eurostat reuse policy (CC BY 4.0 for most statistical datasets). Attribution is included where Eurostat figures are cited directly.

ECB exchange rate data

European Central Bank reference exchange rates are published as free, public data. The ECB's terms permit free reuse for informational purposes with attribution. Currency fields on country pages that reference EUR use ECB official rates.

National tax authority data

Official tax rates published by national tax authorities (DGFiP, HMRC, IRS, etc.) constitute public legal information. Their reproduction for informational and educational purposes is generally permitted; each page links directly to the relevant national source for verification.

Editorial content — copyright

The editorial compilation, rate tier analysis, effective tax calculations, special regime summaries, comparison tools, and site design are © 2026 TaxRatesByCountry.com — Henri Bousquet. Reproduction of editorial content requires written permission. Contact contact@taxratesbycountry.com for licensing enquiries.

6. Limitations — What This Data Cannot Tell You

This data has important structural limitations. Do not rely on it for personal tax decisions without professional advice.

Statutory vs. effective rates: Top marginal rates are statutory maximums. Most taxpayers pay substantially less due to progressive brackets, personal allowances, deductions, and credits not captured here.
Tax treaty effects: Bilateral tax treaties can fundamentally alter your liability on foreign-source income, dividends, interest, and royalties. Treaty analysis requires specialist advice and is outside the scope of this platform.
Residency triggers: Tax residency rules differ by country and are not determined solely by the time spent in a jurisdiction. Day-count rules, domicile, habitual abode, and centre-of-vital-interests tests all vary.
Special regime eligibility: Special regimes (NHR/IFICI, Beckham Law, impatriate regime, LTR visa) are described at a high level. Eligibility conditions are strict, change regularly, and require confirmation from the relevant national tax authority or a licensed advisor.
Non-OECD countries: For jurisdictions not in the OECD Tax Database, rates may derive from PwC or IBFD secondary sources and are more likely to lag recent legislative changes.
Sub-national taxes excluded: Local, state, or cantonal taxes (US state income tax, Swiss cantonal tax, German Gewerbesteuer, Italian IRAP) are not included in the headline rates shown.
Currency and inflation: Bracket thresholds are shown in local currency at the data vintage. Their real value changes with inflation and exchange rate movements.
DAC6 / mandatory disclosure: Certain cross-border arrangements involving tax rate arbitrage may trigger mandatory disclosure obligations under EU Directive 2018/822 (DAC6) or equivalent national rules. Always verify with a tax advisor.

7. Reporting Errors

We take accuracy seriously and prioritise corrections. If you identify a data error, email contact@taxratesbycountry.com with:

The URL of the affected country page
The specific figure you believe is incorrect
The correct figure with a direct link to the official source (government publication or OECD page)

Corrections backed by official sources are processed within 5 business days. Reporters who identify significant errors are credited in the page revision note.