DNA Study Finds Aboriginal World’s Oldest Civilization


DNA Study Finds Aboriginal  World’s Oldest Civilization

An unprecedented DNA study has found evidence of a single human migration out of Africa and confirmed that Aboriginal Australians are the world’s oldest civilization.




The newly published paper is the first extensive DNA study of Aboriginal Australians, according to the University of Cambridge. Working in close collaboration with indigenous Australian elders and leaders, an international team of researchers obtained permission to extract DNA from the saliva of 83 Aboriginal Australians and 25 Papuans from New Guinea and sequence their complete genetic information.

While some scholars have theorized that indigenous Australians descended from a separate, earlier migration than that of Eurasian people, the study’s authors report that the majority of non-Africans stem from a single ancestral group of migrants who left Africa approximately 72,000 years ago and eventually spread across the other continents. While European and Asian ancestral groups became distinct in the genetic record around 42,000 years ago, the researchers say that occurred even earlier—approximately 58,000 years ago—in the case of indigenous Papuan and Australian ancestral groups as they ventured eastward.


“Our results suggest that, rather than having left in a separate wave, most of the genomes of Papuans and Aboriginal Australians can be traced back to a single ‘Out of Africa’ event which led to modern worldwide populations,” said Manjinder Sandhu, a senior author from the Sanger Institute and University of Cambridge, in a statement released by the university. “There may have been other migrations, but the evidence so far points to one exit event.”


Around 50,000 years ago, the wave of migration reached Sahul, a prehistoric supercontinent composed of present-day Australia, Tasmania and New Guinea prior to their separation by rising sea levels 10,000 years ago. At that time, according to the study’s authors, Aboriginal Australians became genetically isolated, making it the world’s oldest civilization.


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