Demographics of Central Asia
The nations which make up Central Asia are five of the former Soviet republics: Kazakhstan, Kyrgyzstan, Turkmenistan, Tajikistan and Uzbekistan, which have a total population of about 76 million.[1][2] Afghanistan is not always considered part of the region, but when it is, Central Asia has a total population of about 122 million (2016); Mongolia and Xinjiang (part of China) is also sometimes considered part of Central Asia due to its Central Asian cultural ties and traditions, although geographically it is East Asian.[1][2] Most central Asians belong to religions which were introduced to the area within the last 1,500 years, such as Sunni Islam, Shia Islam, Ismaili Islam, Tengriism and Syriac Christianity (mostly East Syriac).[3] Buddhism, however, was introduced to Central Asia over 2,200 years ago, and Zoroastrianism, over 2,500 years ago.[4]



Ethnic groups
The below are demographic data on the ethnic groups in Central Asia[3]
Genetic history
Paleolithic and pre-Neolithic Central Asia were initially populated by a distinct population known as "Ancient North Eurasians", and linked to the Botai culture as well as the early Tarim mummies. Bronze Age Central Asia was populated by a mostly West-Eurasian Iranian-speaking peoples, as well as a minority of Paleosiberian peoples. Since the Iron Age, significant migrations from Eastern Asia and South Central Siberia took place, mostly associated with the expansion of Mongolic and Turkic peoples from a region corresponding to modern day Mongolia, transforming Central Asia from a region with largely West-Eurasian ancestry into the mostly Turkic-speaking groups of the present day, who are primarily of East Asian ancestry.[13] Archaeogenetic studies on the remains from Iron Age Pazyryk culture burials suggest that after the end of the Indo-Iranian (Scythian) expansion, beginning in c. the 7th century BC, there was a gradual admixture event with Turkic peoples.[14] The ancestry of modern Central Asian populations is however significantly derived from later Indo-Iranian and Turkic expansions from Europe and Northeast Asia respectively.[15] Populations of farmers and nomadic pastoralists coexisted in Central Asia since the Chalcolithic (4th millennium BC). The two groups differ markedly in descent structure, as pastoralists are organized in exogamous patrilineal clan structures, while farmers are organized in extended families practicing endogamy (cousin marriage). As a consequence, pastoralists have a significantly reduced diversity in patrilineal descent (Y-chromosome) compared to farmers.[16]

The historical Indo-Iranians showed high genetic affinity to the Central European Corded Ware culture, the early medieval Turks, which would largely replace the previous population of Central Asia, had significant Northeast Asian ancestry (c. 60%).[18] There was also substantial Mongolian contributions to certain Central Asian populations, specifically to the Kazakhs or the Hazaras, during the Mongol invasion of Central Asia.[19][20][21][22][23] While modern Turkic-speaking Central Asians derive significant but varying amounts of ancestry from the Northeast Asian gene pool (c. 59.3–69.8%), the Iranian-speaking Central Asians, specifically Yaghnobis and Tajiks, display genetic continuity with Indo-Iranians of the Bronze and Iron Age, and have less Northeast Asian ancestry, associated with the Turkic and Mongolic expansions (7.7–17.1%).[24] Ancestry related to the earliest inhabitants, the Ancient North Eurasians, is still found in low amounts among modern day Central Asians.[24]
Religion
Religion[3] | Approximate population | Center of population |
---|---|---|
Sunni Islam | 103,000,000[25][26][27][28][29][30] | South and East of region: Tajikistan, Turkmenistan, Kyrgyzstan, Uzbekistan, Afghanistan, Eastern Xinjiang and Southern Kazakhstan.(most dense in Afghanistan and Uzbekistan) |
Buddhism | 9,084,000[31][32][33][34][35] | 700,000 and 1.5 million Buddhists in Russia, 8.44 million in Xinjiang, 140,000 people in Kazakhstan and Afghanistan; (Mongols, Koreans, Daur, Mongour, Tungusic peoples, Tibetans, Tuvans, Yugur) |
Shia Islam | 4,000,000 | Hazaras, Afghanistan. While a significant number of them are Sunni. |
Eastern Christianity | 4,000,000 | Mainly in northern Kazakhstan, significant communities are also located in the other four Soviet republics in the region. |
Atheism and Irreligion | 2,500,000+ | Throughout the region |
Western Christianity | 510,000 | Kazakhstan |
Judaism | 27,500 | Uzbekistan |
Zoroastrianism | 10,000 | Historically Afghanistan |
Bibliography
- Guarino-Vignon, P., Marchi, N., Bendezu-Sarmiento, J. et al. Genetic continuity of Indo-Iranian speakers since the Iron Age in southern Central Asia. Sci Rep 12, 733 (2022). https://doi.org/10.1038/s41598-021-04144-4
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