Mauritania vs United States of America: Income share of the richest 10% before and after tax

Mauritania
38.3%
in 2019
United States of America
37.4%
in 2024
Mauritania rank
67th
United States of America rank
69th

Income share of the richest 10% before and after tax over time

  • Mauritania
  • United States of America
0204060198020022024

How they compare

Mauritania currently reports 38.3% against 37.4% in United States of America, a difference of 0.9%.

The two have swapped places 1 time across 8 shared years of data; in 1987 it was Mauritania ahead.

Mauritania ranks 67th and United States of America ranks 69th of 109 countries.

Across the 4 decades both report, Mauritania averaged higher in 3 and United States of America in 1.

Head to head by decade

Decade Mauritania United States of America Difference Ahead
1980s 45.9% 33.4% 12.5% Mauritania
1990s 51.4% 34.2% 17.3% Mauritania
2000s 44.7% 36.6% 8.1% Mauritania
2010s 38.2% 38.7% 0.5% United States of America

Averages of every year both report within each decade.

Frequently asked questions

Which has higher income share of the richest 10% before and after tax, Mauritania or United States of America?
Mauritania, at 38.3% against 37.4% in United States of America as of 2019.
What is the difference in income share of the richest 10% before and after tax between Mauritania and United States of America?
0.9%, with Mauritania ahead.
How many years of comparable data are there for Mauritania and United States of America?
8 years are reported by both, from 1987 to 2019.
How do Mauritania and United States of America rank globally for income share of the richest 10% before and after tax?
Mauritania ranks 67th and United States of America ranks 69th of 109 countries.
Where does this data come from?
World Inequality Database (WID.world) (2026) – with major processing by Our World in Data, published as Income share of the richest 10% before and after tax. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mauritania vs United States of America: Income share of the richest 10% before and after tax. Statizoid, drawing on World Inequality Database (WID.world) (2026) – with major processing by Our World in Data. Retrieved 12 September 2026, from https://economy.statizoid.com/compare/income-share-top-10-after-vs-before-tax-wid-scatter/mauritania/united-states/

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About this data

Indicator
Income share of the richest 10% before and after tax
Unit
%
Source
World Inequality Database (WID.world) (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
109 places, 2,129 data points, 1980–2024
Last refreshed

Share of income received by the richest 10% of the population. Income here is measured after taxes and benefits.