How many years of comparable data are there for Portugal and United Kingdom?

28 years are reported by both, from 1990 to 2017.

Where does this data come from?

OECD (2018) – processed by Our World in Data, published as Two sources of data on tax revenue as share of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs United Kingdom: Two sources of data on tax revenue as share of GDP

Portugal

34.7%

in 2017

United Kingdom

33.3%

in 2017

Portugal rank

18th

United Kingdom rank

21st

Two sources of data on tax revenue as share of GDP over time

Portugal
United Kingdom

How they compare

Portugal currently reports 34.7% against 33.3% in United Kingdom, a difference of 1.4%.

The two have swapped places 5 times across 28 shared years of data; in 1990 it was United Kingdom ahead.

Portugal ranks 18th and United Kingdom ranks 21st of 77 countries.

Across the 3 decades both report, Portugal averaged higher in 1 and United Kingdom in 2.

Head to head by decade

Decade	Portugal	United Kingdom	Difference	Ahead
1990s	29.1%	30.8%	1.8%	United Kingdom
2000s	31.0%	32.3%	1.2%	United Kingdom
2010s	33.3%	32.5%	0.8%	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher two sources of data on tax revenue as share of gdp, Portugal or United Kingdom?: Portugal, at 34.7% against 33.3% in United Kingdom as of 2017.
What is the difference in two sources of data on tax revenue as share of gdp between Portugal and United Kingdom?: 1.4%, with Portugal ahead.
How many years of comparable data are there for Portugal and United Kingdom?: 28 years are reported by both, from 1990 to 2017.
How do Portugal and United Kingdom rank globally for two sources of data on tax revenue as share of gdp?: Portugal ranks 18th and United Kingdom ranks 21st of 77 countries.
Where does this data come from?: OECD (2018) – processed by Our World in Data, published as Two sources of data on 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 United Kingdom: Two sources of data on tax revenue as share of GDP. Statizoid, drawing on OECD (2018) – processed by Our World in Data. Retrieved 17 September 2026, from https://economy.statizoid.com/compare/total-taxation-of-gdp/portugal/united-kingdom/

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About this data

Indicator: Two sources of data on 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: 28 August 2026

Comparison of the OECD's Global Revenue Statistics Database and the UNU-WIDER's Global Revenue Database. Both series correspond to total taxes collected by the government as percentage of GDP.