Overview
- On Friday, July 24, 2026, an international team published in Science model-based estimates that language diversity rose after the early Holocene to a peak around 1000 BCE–1000 CE and may once have included tens of thousands of distinct languages.
- The study did not count prehistoric tongues directly but simulated past language counts using ethnographic data from 171 hunter-gatherer societies combined with global population estimates to infer how many small groups likely spoke separate languages.
- The authors say the rise in variety came with population growth and agriculture while the later rapid decline followed the spread of large polities that allowed a few dominant or “giant” languages to displace many local tongues.
- Independent linguists warn the reconstruction is highly uncertain because there are no direct records for most of prehistory and the results depend on assumptions about group size, how groups map to languages, and model structure.
- The study reframes language loss as a long-running process with cultural consequences and points to practical steps that matter now, including documenting endangered languages, supporting community-led revival, and tracking how dominant languages concentrate speakers.