https://www.mikegravel.org/category/inequality-metrics/
Inequality Metrics Archives - Mike Gravel
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https://ourworldindata.org/grapher/inequality-metrics-before-tax-wid?tab=chart&time=1990..latest&focus=&country=USA~FRA~IDN~URY
Three metrics of inequality - Our World in Data
Inequality of incomes before taxes and benefits.
our world in datathreemetricsinequality