TOP 30 Countries by Tax-to-GDP Ratio (2025)
The tax-to-GDP ratio shows how much revenue governments collect through compulsory taxes and social contributions relative to the size of the economy. Higher ratios generally reflect a larger public sector footprint and stronger capacity to fund healthcare, education, pensions and infrastructure — but they also imply higher statutory or effective burdens on labour, consumption, capital or some combination of all three.
Key context (OECD, 2024 provisional)
OECD average: 34.1% of GDP.
Range: from 18.3% (lowest) to 45.2% (highest) among countries with preliminary 2024 data.
These 2024 preliminary ratios are used here as a practical proxy for a “2025 snapshot”.
Top 10 (OECD) — quick profiles
Tax-to-GDP is shown for 2024 (provisional). “YoY” is the change vs 2023 in percentage points (p.p.). Mix notes use 2023 tax structure shares.
Denmark
France
Austria
Italy
Belgium
Finland
Luxembourg
Sweden
Norway
Greece
Table 1. Top 10 tax-to-GDP ratios (OECD), 2024 provisional
Percent of GDP. YoY change is shown in percentage points (p.p.) vs 2023.
| Rank | Country | Tax-to-GDP | YoY (p.p.) |
|---|---|---|---|
| 1 | Denmark | 45.2% | +1.2 |
| 2 | France | 43.5% | −0.4 |
| 3 | Austria | 43.4% | +0.8 |
| 4 | Italy | 42.8% | +1.3 |
| 5 | Belgium | 42.6% | +0.7 |
| 6 | Finland | 42.2% | −0.6 |
| 7 | Luxembourg | 41.5% | +1.7 |
| 8 | Sweden | 41.4% | −0.3 |
| 9 | Norway | 40.2% | −1.4 |
| 10 | Greece | 39.8% | +0.9 |
Source: OECD Revenue Statistics 2025 (preliminary 2024). Updated: 2026-02.
Chart 1. Highest tax-to-GDP ratios (OECD), 2024 provisional (Top 20 + ties)
Values are percent of GDP. Countries are ordered from highest to lowest.
Chart preview (static list):
- Denmark — 45.2%
- France — 43.5%
- Austria — 43.4%
- Italy — 42.8%
- Belgium — 42.6%
- Finland — 42.2%
- Luxembourg — 41.5%
- Sweden — 41.4%
- Norway — 40.2%
- Greece — 39.8%
- Netherlands — 38.5%
- Slovenia — 38.3%
- Germany — 38.0%
- Iceland — 36.9%
- Spain — 36.7%
- Poland — 36.6%
- Slovak Republic — 35.6%
- Estonia — 35.2%
- Portugal — 35.1%
- Canada — 34.9%
- Latvia — 34.9%
If the interactive chart does not render, the list above remains visible.
Methodology
This ranking uses the OECD definition of the tax-to-GDP ratio: total tax revenues (including compulsory social security contributions where classified as taxes) divided by nominal GDP, expressed as a percentage. For the “2025 snapshot” framing, we use the latest harmonised full-year values available at publication time — primarily OECD’s preliminary 2024 figures — because they are the most comparable cross-country benchmark for current conditions.
For countries without preliminary 2024 OECD values, the latest available OECD year is used as a proxy (and clearly flagged in the full table). Values are shown at one decimal place. The YoY figure is the change in the ratio (percentage points), which can move due to shifts in revenue composition, one-off receipts, policy changes, and differences between nominal tax revenue growth and nominal GDP growth.
Key limitations: (1) ratios are sensitive to GDP revisions and to large denominator effects in economies with volatile GDP; (2) institutional differences can change whether certain contributions are classified as taxes; (3) the ratio is not a direct measure of household tax burden because it aggregates households, firms, and other sectors; (4) cross-border profit shifting and exceptional corporate income events can distort both revenue and GDP, especially for smaller open economies.
Insights and patterns
1) Europe dominates the top tier. The highest ratios cluster in Western and Northern Europe where social insurance systems are large, compliance is strong, and broad-based consumption taxes complement labour taxation.
2) “High tax” does not mean “same model”. Denmark is an outlier: it finances a large public sector with unusually high personal income tax shares and very low social contribution shares, unlike France, Austria or Germany where SSCs play a major role in funding social protection.
3) Year-to-year moves can reflect cycles, not just policy. Norway’s notable drop illustrates how commodity-linked tax bases can swing. Luxembourg’s jump shows how corporate tax receipts can shift the ratio even when the overall model is stable.
In practice, the ratio is best interpreted alongside tax mix and outcomes: how much comes from labour vs consumption vs corporate income, what the public sector delivers, and how distortionary the system is for investment and employment. Two countries can share similar tax-to-GDP levels yet differ widely in who pays, how the burden is administered, and what the state provides in return.
What this means for readers
If you compare countries for work, relocation, or investing, the tax-to-GDP ratio is a fast signal of fiscal capacity — but it is not a personal tax calculator. High-ratio economies often pair higher headline taxes with more extensive public services (healthcare coverage, childcare, tertiary education support, unemployment insurance, pensions). That can reduce some out-of-pocket costs and risk, even when income tax rates are higher.
For households, the “mix” matters: systems financed more by VAT can feel regressive for low earners; systems financed more by labour taxes can raise the cost of hiring; systems with larger property taxes can affect housing affordability and asset strategy. For business, stability and simplicity can matter as much as the level: predictable rules and strong administration often reduce compliance costs and uncertainty.
FAQ: Tax-to-GDP ratio
Why is Denmark #1 even though it has relatively low social security contributions?
Denmark raises a large share of revenue through personal income taxation and broad-based consumption taxes, while many social programmes are financed from general taxation rather than payroll-based social contributions. The overall ratio reflects the total compulsory revenue collected relative to GDP, not the specific instrument mix.
Is a higher tax-to-GDP ratio “better” for a country?
Not automatically. A higher ratio can enable stronger public services and social insurance, but outcomes depend on how revenue is collected and how effectively it is spent. Efficiency, transparency, and the tax mix can be as important as the headline level.
Can the ratio change even if the government does not raise tax rates?
Yes. The ratio can rise if nominal tax revenues grow faster than nominal GDP, or fall if GDP grows faster than revenues. One-off receipts, cyclical profits, and inflation dynamics can move the ratio without major legal changes.
Does tax-to-GDP equal what households pay?
No. The ratio aggregates all sectors. It includes taxes paid by households, firms, and other entities. Two countries with similar ratios can place very different burdens on median households depending on VAT rates, payroll taxes, income tax brackets, and transfers.
Why do some countries look “low tax” despite strong public services?
Some services may be funded through non-tax revenue (fees, dividends, resource income) or delivered through mandatory private arrangements not classified as taxes. Also, accounting and classification differences matter in cross-country comparisons.
What’s the cleanest way to compare countries using this metric?
Compare (1) the level (tax-to-GDP), (2) the tax mix (PIT/CIT/SSC/VAT/property), and (3) outcomes (service coverage, inequality, labour-market performance). For trend analysis, use consistent sources and watch for revisions.
Full OECD table: tax-to-GDP ratios (latest year used as proxy for 2025)
The table below lists all OECD economies included in the Revenue Statistics 2025 highlights. Most values are preliminary for 2024. Where 2024 is not available in the highlights, the latest available OECD year is used and flagged next to the country name.
Table 2. OECD tax-to-GDP ratios and year-to-year change
| Rank | Country | Tax-to-GDP | YoY (p.p.) |
|---|---|---|---|
| — | Australia 2023 | 29.9% | +0.6 |
| — | Austria | 43.4% | +0.8 |
| — | Belgium | 42.6% | +0.7 |
| — | Canada | 34.9% | +0.1 |
| — | Chile | 20.5% | −0.1 |
| — | Colombia | 19.9% | −2.2 |
| — | Costa Rica | 24.8% | −0.1 |
| — | Czechia | 34.0% | +0.8 |
| — | Denmark | 45.2% | +1.2 |
| — | Estonia | 35.2% | +1.6 |
| — | Finland | 42.2% | −0.6 |
| — | France | 43.5% | −0.4 |
| — | Germany | 38.0% | +0.7 |
| — | Greece | 39.8% | +0.9 |
| — | Hungary | 34.4% | −0.6 |
| — | Iceland | 36.9% | +1.0 |
| — | Ireland | 21.7% | +0.4 |
| — | Israel | 30.9% | +1.1 |
| — | Italy | 42.8% | +1.3 |
| — | Japan 2023 | 33.7% | −0.8 |
| — | Korea | 25.3% | −1.6 |
| — | Latvia | 34.9% | +2.4 |
| — | Lithuania | 33.1% | +1.0 |
| — | Luxembourg | 41.5% | +1.7 |
| — | Mexico | 18.3% | +0.6 |
| — | Netherlands | 38.5% | −0.8 |
| — | New Zealand | 32.9% | −0.8 |
| — | Norway | 40.2% | −1.4 |
| — | Poland | 36.6% | +1.7 |
| — | Portugal | 35.1% | −0.2 |
| — | Slovak Republic | 35.6% | +0.5 |
| — | Slovenia | 38.3% | +1.9 |
| — | Spain | 36.7% | +0.3 |
| — | Sweden | 41.4% | −0.3 |
| — | Switzerland | 27.2% | +0.3 |
| — | Türkiye | 24.0% | +0.8 |
| — | United Kingdom | 34.4% | −0.6 |
| — | United States | 25.6% | +0.0 |
Source: OECD Revenue Statistics 2025 (highlights table). Values are preliminary for 2024 unless flagged. Updated: 2026-02.
Chart 2. Tax-to-GDP level vs reliance on social security contributions
The scatter plot links tax-to-GDP (latest year used as proxy for 2025) with the share of social security contributions in total tax revenue (structure year in OECD highlights). It illustrates that “high tax” economies can be funded through very different mixes.
Chart preview (selected points):
- Denmark: 45.2% tax-to-GDP, SSC share ≈ 0.2%
- France: 43.5%, SSC share ≈ 33.2%
- Austria: 43.4%, SSC share ≈ 35.1%
- Germany: 38.0%, SSC share ≈ 38.4%
- Slovenia: 38.3%, SSC share ≈ 42.9%
- Czechia: 34.0%, SSC share ≈ 45.5%
If the interactive chart does not render, the preview list remains visible.
Interpretation: what a high tax-to-GDP ratio does (and does not) tell you
High tax-to-GDP ratios are best read as a signal of fiscal capacity and the size of the “public financing layer” in an economy, not as a one-dimensional measure of prosperity or competitiveness. Countries at the top of the OECD ranking typically fund broad public services and social insurance systems through combinations of personal income taxes, social contributions and consumption taxes. The result is often a more comprehensive safety net — but also a higher need for administrative efficiency and careful policy design to avoid unnecessary distortions.
The same ratio can reflect very different structures. Denmark’s model relies heavily on personal income taxation and general revenue financing, while several continental European systems rely more on social contributions tied to employment. In turn, economies with larger corporate income shares can see bigger year-to-year swings when profits, commodity cycles, or one-off receipts change.
Policy takeaways
1) Level vs mix: The tax-to-GDP level is the headline; the tax mix determines incentives and distribution.
2) Stability matters: Predictable rules and strong administration can reduce the economic cost of higher ratios.
3) Growth compatibility: Well-designed broad bases with fewer exemptions are typically less distortionary than narrow, high-rate systems.
- High-ratio countries should focus on productivity-friendly financing (broad bases, fewer loopholes) and spending quality to sustain legitimacy.
- Mid-ratio countries often face the hardest trade-offs: funding pressures rise with ageing and security needs, while voters resist visible tax hikes.
- Lower-ratio countries typically have room to improve compliance and administration; the gains can be material without changing headline rates.
- Cross-country comparisons should be paired with service coverage indicators and distributional outcomes to avoid misleading conclusions.
For practical benchmarking, a useful approach is to compare three layers together: (a) tax-to-GDP, (b) the labour/consumption/capital mix, and (c) what the system delivers (coverage, quality, and macro resilience). That combination explains far more than any single ratio.
Sources
Primary, official datasets used for the figures and context in this page.
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OECD — Revenue Statistics 2025 (highlights brochure; preliminary 2024 tax-to-GDP)https://www.oecd.org/content/dam/oecd/en/topics/policy-sub-issues/global-tax-revenues/revenue-statistics-highlights-brochure.pdf
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OECD — Revenue Statistics 2024 / 2025 publication pages (methods and historical comparability)https://www.oecd.org/en/publications/revenue-statistics-2024_6e88b46e.html
https://www.oecd.org/en/publications/revenue-statistics-2025_3a264267-en.html -
Eurostat — Tax revenue statistics (EU tax and social contributions as % of GDP)https://ec.europa.eu/eurostat/statistics-explained/index.php/Tax_revenue_statistics
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IMF — Fiscal Monitor datasets (public finance context and projections)https://www.imf.org/external/datamapper/datasets/FM
Update stamp: 2026-02. Values are shown at one decimal place; preliminary figures may be revised.
