olemus
suur seisundi erinevus ühiskonnas või majanduses

Wiktionary:
1. an unfair, not equal, state
The inequality in living standards led to a civil war as the have nots rebelled.

ülevaateid
https://en.wikipedia.org/wiki/Social_inequality

https://en.wikipedia.org/wiki/Economic_inequality

https://en.wikipedia.org/wiki/International_inequality

https://en.wikipedia.org/wiki/Educational_inequality

https://wir2018.wid.world/files/download/wir2018-summary-english.pdf

https://www.cbpp.org/research/poverty-and-inequality/a-guide-to-statistics-on-historical-trends-in-income-inequality

https://en.wikipedia.org/wiki/List_of_countries_by_income_equality