Statizoid

Income inequality: Gini coefficient before and after tax by country

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

Countries reporting
39
Highest
0.4602
Costa Rica
Lowest
0.2134
Slovakia
Median
0.3112
Years covered
26
1999–2024
Data points
607

What the numbers show

Income inequality: Gini coefficient before and after tax is currently reported for 39 countries. The highest value is 0.4602 in Costa Rica; the lowest is 0.2134 in Slovakia.

The median across all reporting countries is 0.3112, and the mean is 0.3193.

The gap between the highest and lowest reporting country is a factor of about 2.

Over the past decade 15 countries rose and 24 fell. The largest increase was in Switzerland (up 11.1%), and the largest decrease in Slovakia (down 20.9%).

Income inequality: Gini coefficient before and after tax: full country ranking

#Country LatestYear 10-year changeTrend
1 Costa Rica 0.4602 2024 down 5.1% flat
2 Brazil 0.4512 2022 down 2.4% flat
3 Chile 0.4481 2022 down 4.9% flat
4 Türkiye 0.4271 2022 up 7.1% rising
5 Mexico 0.4001 2022 down 12.5% falling
6 United States of America 0.3944 2023 down 0.4% flat
7 Bulgaria 0.3847 2023 up 8.6% rising
8 United Kingdom of Great Britain and Northern Ireland 0.367 2023 up 2.5% flat
9 Lithuania 0.3548 2023 up 1.1% rising
10 Israel 0.3449 2022 down 7.2% falling
11 Latvia 0.3399 2023 down 3.2% falling
12 New Zealand 0.326 2022 down 2.7% flat
13 Italy 0.3247 2023 down 0.0% flat
14 Republic of Korea 0.324 2022 down 15.8% falling
15 Portugal 0.3199 2023 down 6.1% falling
16 Greece 0.3196 2023 down 6.5% falling
17 Australia 0.319 2020 down 2.1% flat
18 Switzerland 0.3167 2022 up 11.1% rising
19 Spain 0.3124 2023 down 9.4% flat
20 Estonia 0.3112 2023 down 12.5% falling
21 Germany 0.3091 2022 up 7.0% rising
22 Canada 0.306 2023 down 4.1% falling
23 Croatia 0.302 2023 up 2.1% flat
24 Luxembourg 0.2963 2023 up 2.2% flat
25 Hungary 0.2941 2022 up 5.2% flat
26 Netherlands 0.291 2023 up 1.4% flat
27 Sweden 0.289 2023 up 8.2% rising
28 Austria 0.2882 2023 up 2.9% flat
29 Romania 0.2819 2023 down 18.9% falling
30 Ireland 0.2806 2023 down 9.7% falling
31 Denmark 0.2764 2022 up 11.1% rising
32 Finland 0.269 2023 up 2.8% flat
33 Norway 0.2623 2022 up 3.9% flat
34 Poland 0.2568 2023 down 14.1% falling
35 Belgium 0.2541 2023 down 1.6% flat
36 Slovenia 0.2472 2023 down 2.9% flat
37 Iceland 0.2468 2019 down 7.3% falling
38 Czechia 0.2424 2023 down 6.4% falling
39 Slovakia 0.2134 2023 down 20.9% falling

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Income inequality: Gini coefficient before and after tax by country. Statizoid, drawing on OECD (2026) – with minor processing by Our World in Data. Retrieved 05 September 2026, from https://poverty.statizoid.com/stat/inequality-of-incomes-before-and-after-taxes-and-transfers-scatter/

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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

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