Italy vs United Kingdom: Gross Domestic Product, GDP in millions constant 2021 international $

Italy
3.19 million
in 2027
United Kingdom
3.79 million
in 2027
Italy rank
12th
United Kingdom rank
10th

Gross Domestic Product, GDP in millions constant 2021 international $ over time

  • Italy
  • United Kingdom
01.0M2.0M3.0M4.0M199120092027

How they compare

United Kingdom currently reports 3.79 million against 3.19 million in Italy, a difference of 595,070.

That makes United Kingdom's figure about 1.2 times Italy's.

The two have swapped places 1 time across 37 shared years of data; in 1991 it was Italy ahead.

Italy ranks 12th and United Kingdom ranks 10th of 188 countries.

Across the 4 decades both report, Italy averaged higher in 2 and United Kingdom in 2.

Head to head by decade

Decade Italy United Kingdom Difference Ahead
1990s 2.58 million 2.15 million 428,769 Italy
2000s 2.98 million 2.82 million 160,085 Italy
2010s 2.90 million 3.22 million 313,050 United Kingdom
2020s 3.06 million 3.57 million 509,659 United Kingdom

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gross domestic product, gdp in millions constant 2021 international $, Italy or United Kingdom?
United Kingdom, at 3.79 million against 3.19 million in Italy as of 2027.
What is the difference in gross domestic product, gdp in millions constant 2021 international $ between Italy and United Kingdom?
595,070, with United Kingdom ahead.
How many years of comparable data are there for Italy and United Kingdom?
37 years are reported by both, from 1991 to 2027.
How do Italy and United Kingdom rank globally for gross domestic product, gdp in millions constant 2021 international $?
Italy ranks 12th and United Kingdom ranks 10th of 188 countries.
Where does this data come from?
International Labour Organization, published as Gross Domestic Product, GDP in millions constant 2021 international $ at PPP (ILO modelled estimates). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Italy vs United Kingdom: Gross Domestic Product, GDP in millions constant 2021 international $. Statizoid, drawing on International Labour Organization. Retrieved 18 September 2026, from https://economy.statizoid.com/compare/gross-domestic-product-gdp-in-millions-constant-2021-international-at-ppp-ilo-modelled/italy/united-kingdom/

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About this data

Indicator
Gross Domestic Product, GDP in millions constant 2021 international $ at PPP (ILO modelled estimates)
Source
International Labour Organization
Licence
ILO Terms of Use (attribution required)
Coverage
276 places, 10,188 data points, 1991–2027
Last refreshed

Gross Domestic Product (GDP), Purchasing Power Parity (millions of PPP, constant 2021 international dollars) is a measure to assess the total economic output of a country, adjusted for differences in the purchasing power of the different currencies relative to the US dollar. It is derived from the World Development Indicators of the World Bank. For more information, refer to the ILO Modelled Estimates (ILOEST) database description.