Anthropological categories of peoples

thumb|upright=1.1|African Pygmies|Central African foragers in the [[Congo Basin in August 2014]] A hunter-gatherer, or forager, is a human living in a community, or according to an ancestrally derived lifestyle, in which most or all food is obtained by foraging, that is, by gathering food from local naturally occurring sources or by hunting game. This is a common practice among most vertebrates that are omnivores. Hunter-gatherer groups, usually a few dozen people, were and are nomadic or semi-nomadic. Hunter-gatherer societies are contrasted with more sedentary agricultural societies, which r

hypothetical racial grouping

society's categorization of its people into hierarchical groups based on socioeconomic factors

thumb|upright=1.3|A depiction of the first medieval settlers arriving in Iceland, 1850

thumb|The chiefdom of Afareïtu in Moʻorea, [[French Polynesia, ]]

simplest form of human society

work by Edward Tylor (1871)

Society having no centralized authority, leader or chief