Social inequality occurs when resources in a given society are distributed unevenly, typically through norms of allocation, that engender specific patterns along lines of socially defined categories of persons. Wikipedia

Unequal opportunities and rewards for different social positions or statuses within a group Wikipedia Disambiguation

Uneven distribution of resources in a society Wikidata

Unequal rewards or opportunities for different individuals within a group or groups within a society. If equality is judged in terms of legal equality, equality of opportunity, or equality of outcome, then inequality is a constant feature of the human condition. OmegaWiki