What is the difference in income inequality: gini coefficient before and after tax between United Kingdom and United States?

0.0274, with United States ahead.

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

11 years are reported by both, from 2013 to 2023.

Where does this data come from?

OECD (2026) – with minor processing by Our World in Data, published as Income inequality: Gini coefficient before and after tax. Statizoid refreshes it automatically from the source and publishes the full history for both places.

United Kingdom vs United States: Income inequality: Gini coefficient before and after tax

United Kingdom

0.367

in 2023

United States

0.3944

in 2023

United Kingdom rank

8th

United States rank

6th

Income inequality: Gini coefficient before and after tax over time

United Kingdom
United States

How they compare

United States currently reports 0.3944 against 0.367 in United Kingdom, a difference of 0.0274.

That makes United States's figure about 1.1 times United Kingdom's.

Across all 11 years both countries report, United States has been ahead every year.

United Kingdom ranks 8th and United States ranks 6th of 39 countries.

United States has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	United Kingdom	United States	Difference	Ahead
2010s	0.3592	0.3926	0.0334	United States
2020s	0.3602	0.3858	0.0255	United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher income inequality: gini coefficient before and after tax, United Kingdom or United States?: United States, at 0.3944 against 0.367 in United Kingdom as of 2023.
What is the difference in income inequality: gini coefficient before and after tax between United Kingdom and United States?: 0.0274, with United States ahead.
How many years of comparable data are there for United Kingdom and United States?: 11 years are reported by both, from 2013 to 2023.
How do United Kingdom and United States rank globally for income inequality: gini coefficient before and after tax?: United Kingdom ranks 8th and United States ranks 6th of 39 countries.
Where does this data come from?: OECD (2026) – with minor processing by Our World in Data, published as Income inequality: Gini coefficient before and after tax. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

United Kingdom vs United States: Income inequality: Gini coefficient before and after tax. Statizoid, drawing on OECD (2026) – with minor processing by Our World in Data. Retrieved 18 September 2026, from https://poverty.statizoid.com/compare/inequality-of-incomes-before-and-after-taxes-and-transfers-scatter/united-kingdom/united-states/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://poverty.statizoid.com/compare/inequality-of-incomes-before-and-after-taxes-and-transfers-scatter/united-kingdom/united-states/">United Kingdom vs United States: Income inequality: Gini coefficient before and after tax</a> — Statizoid

About this data

Indicator: Income inequality: Gini coefficient before and after tax
Source: OECD (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 39 places, 607 data points, 1999–2024
Last refreshed: 28 August 2026

The Gini coefficient measures inequality on a scale from 0 to 1. Higher values indicate higher inequality.