New Guinea
People

The current population of the island of New Guinea is about fifteen million. Archaeological evidence indicates that humans may have inhabited the island continuously since 50,000 BCE, and first settlement possibly dating back to 60,000 years ago has been proposed. The island is presently populated by almost a thousand different tribal groups and a near-equivalent number of separate languages, which makes New Guinea the most linguistically diverse area in the world. Ethnologue 's 14th edition lists 826 languages of Papua New Guinea and 257 languages of Western New Guinea, total 1073 languages, with 12 languages overlapping. They can be divided into two groups, the Austronesian languages, and all the others placed in the catch-all category of Papuan languages, most of which are unrelated.

The separation is not merely linguistic; warfare among societies was a factor in the evolution of the men's house: separate housing for groups of adult men, away from the single-family houses of women and children. Pig-based trade between groups and pig-based feasts form a common tradition with the other peoples of southeast Asia and Oceania. Most Papuan societies practice agriculture, supplemented by hunting and gathering.

Current evidence indicates that the Papuans (who constitute the majority of the island's peoples) are descended from the earliest human inhabitants of New Guinea. These original inhabitants first arrived in New Guinea at a time around the Last Glacial Maximum (c. 21,000 years ago) when the island was connected to the Australian continent via a land bridge, forming the landmass of Sahul. These peoples had made the (shortened) sea-crossing from the islands of Wallacea and Sundaland (the present Malay Archipelago) by at least 40,000 years ago.

The ancestral Austronesian peoples are believed to have arrived considerably later, approximately 3,500 years ago, as part of a gradual seafaring migration from Southeast Asia, possibly originating in Taiwan. Austronesian-speaking peoples colonized many of the offshore islands to the north and east of New Guinea, such as New Ireland and New Britain, with settlements also on the coastal fringes of the main island in places. Human habitation of New Guinea over tens of thousands of years has led to a great deal of diversity, which was further increased by the later arrival of the Austronesians and the more recent history of European and Asian settlement through events like transmigration.

Large areas of New Guinea are yet to be explored by scientists and anthropologists. The Indonesian province of West Papua is home to an estimated 44 uncontacted tribal groups.
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