Antarctica presents a unique socioeconomic situation: there are no rich or poor people on the continent in any conventional sense.
This is because Antarctica has no permanent human population and no indigenous inhabitants. The only residents are temporary occupants of research stations operated by various national governments under the Antarctic Treaty System.
Researchers and support staff receive their regular salaries from their home institutions or governments, but during their Antarctic deployment (typically months to a year), economic stratification essentially disappears. A principal investigator and a station cook share the same dining hall, dormitory facilities, and environmental challenges.
The Antarctic Treaty explicitly prohibits mineral resource exploitation and military activity, preserving the continent as a "natural reserve, devoted to peace and science." This unique governance structure creates perhaps the world's only truly classless human society—albeit a temporary and highly specialized one.