China

China preserves one of the longest records of human presence outside Africa. Fossil evidence from the Yuanmou Basin indicates that Homo erectus groups occupied southern regions by roughly 1.7 million years ago, while the more extensive deposits at Zhoukoudian near Beijing document repeated occupations between about 700,000 and 200,000 years ago. These localities, together with finds at Lantian and Hexian, show that early humans adapted to diverse East Asian environments ranging from subtropical forests to temperate grasslands. Whether these populations contributed genetically to later inhabitants remains debated; most genetic studies favor a predominantly African origin for modern East Asians, yet limited archaic admixture cannot be ruled out.

Anatomically modern humans appear in the Chinese record by at least 45,000 years ago. The Tianyuan Cave individual, directly dated and sequenced, carries mitochondrial and nuclear DNA that already clusters with later East Asians while retaining minor archaic segments. Additional fossils from Upper Cave at Zhoukoudian and the Liujiang site in Guangxi illustrate the morphological diversity present during this dispersal. Ancient-DNA work on later individuals, including those from the Amur River and the Yellow River Neolithic, reveals a persistent north–south genetic cline that began to form during the Late Pleistocene and was reinforced by Holocene population movements.

By 8,000 years ago, millet cultivation had taken hold along the middle Yellow River, complementing rice domestication farther south in the Yangtze valley. Villages such as Cishan and Xinglonggou provide some of the earliest evidence for storage pits and grinding tools associated with these crops. Linguistic reconstructions suggest that early Sino-Tibetan and Austroasiatic languages spread alongside these agricultural systems, although the precise timing and routes remain under active investigation. Ancient genomes from the Dadiwan and Jiahu sites indicate that these Neolithic communities were already genetically distinct from Siberian and Southeast Asian groups, setting the stage for later regional differentiation.

The transition to complex societies brought further demographic shifts. Oracle-bone inscriptions from the late Shang capital at Anyang, dating to around 1250 BCE, supply the earliest contemporary written evidence of state-level organization and ancestor veneration. Subsequent dynastic expansions, including the Zhou and Han periods, facilitated large-scale movements of people into the Sichuan Basin and the southern coastal lowlands. Genomic studies of Bronze Age individuals from the Hexi Corridor document admixture between local farmers and incoming pastoralist groups, illustrating how technology and trade shaped the genetic landscape long before imperial unification.

China’s deep archaeological and genetic record therefore anchors key chapters in the broader human narrative. It demonstrates both the remarkable continuity of cultural traditions and the repeated episodes of migration and admixture that characterize our species. Ongoing excavations and high-resolution ancient-DNA analyses continue to refine the chronology and clarify the extent of regional interactions, underscoring that East Asia’s prehistory remains a dynamic field rather than a settled account.