Portugal vs Slovenia: Tax revenue as share of GDP

Portugal
34.7%
in 2017
Slovenia
36.0%
in 2017
Portugal rank
18th
Slovenia rank
16th

Tax revenue as share of GDP over time

  • Portugal
  • Slovenia
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How they compare

Slovenia currently reports 36.0% against 34.7% in Portugal, a difference of 1.3%.

Across all 23 years both countries report, Slovenia has been ahead every year.

Portugal ranks 18th and Slovenia ranks 16th of 77 countries.

Slovenia has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Portugal Slovenia Difference Ahead
1990s 30.1% 37.2% 7.1% Slovenia
2000s 31.0% 37.1% 6.0% Slovenia
2010s 33.3% 36.5% 3.2% Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher tax revenue as share of gdp, Portugal or Slovenia?
Slovenia, at 36.0% against 34.7% in Portugal as of 2017.
What is the difference in tax revenue as share of gdp between Portugal and Slovenia?
1.3%, with Slovenia ahead.
How many years of comparable data are there for Portugal and Slovenia?
23 years are reported by both, from 1995 to 2017.
How do Portugal and Slovenia rank globally for tax revenue as share of gdp?
Portugal ranks 18th and Slovenia ranks 16th of 77 countries.
Where does this data come from?
OECD (2018) – processed by Our World in Data, published as Tax revenue as share of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Slovenia: Tax revenue as share of GDP. Statizoid, drawing on OECD (2018) – processed by Our World in Data. Retrieved 14 September 2026, from https://economy.statizoid.com/compare/tax-revenue-share-gdp-oecd-grsd/portugal/slovenia/

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About this data

Indicator
Tax revenue as share of GDP
Unit
%
Source
OECD (2018) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
77 places, 1,982 data points, 1990–2017
Last refreshed

The level of total tax revenues as a percentage of GDP. Total tax include sub-national revenues, and compulsory social security contributions paid to the general government.