The question was specifically about developed countries. If you look up the Wikipedia entry on wealth inequality [1] and sort the first column, looking down the

The question was specifically about developed countries. If you look up the Wikipedia entry on wealth inequality [1] and sort the first column, looking down the list the USA appears to be the highest ranked country for inequality (ratio of earnings between richest and poorest 10%). Notably China is there, and Mexico and South Africa too, among myriad developing African and Central/South American countries. [1] https://en.wikipedia.org/wiki/List_of_countries_by_income_equality https://en.wikipedia.org/wiki/List_of_countries_by_income_eq...