Distribution
Sinitic languages, commonly known as the Chinese dialects, are spoken in China and on the island of Taiwan and by important minorities in all the countries of Southeast Asia (by a majority only in Singapore). In addition, Sinitic languages are spoken by Chinese immigrants in many parts of the world, notably in Oceania and in North and South America; altogether there are nearly 1.2 billion speakers of Chinese languages. Sinitic is divided into a number of language groups, by far the most important of which is Mandarin (or Northern Chinese). Mandarin, which includes Modern Standard Chinese (based on the Beijing dialect), is not only the most important language of the Sino-Tibetan family but also has the most ancient writing tradition still in use of any modern language. The remaining Sinitic language groups are Wu (including Shanghai dialect), Xiang (Hsiang, or Hunanese), Gan (Kan), Hakka, Yue (Yüeh, or Cantonese, including Canton [Guangzhou] and Hong Kong dialects), and Min (including Fuzhou, Amoy [Xiamen], Swatow [Shantou], and Taiwanese).
Tibeto-Burman languages are spoken in the Tibet Autonomous Region of China and in Myanmar (Burma); in the Himalayas, including the countries of Nepal and Bhutan and the state of Sikkim, India; in Assam, India, and in Pakistan and Bangladesh. They also are spoken by hill tribes throughout mainland Southeast Asia and central China (the provinces of Gansu, Qinghai, Sichuan, and Yunnan). Tibetic (i.e., Tibetan in the widest sense of the word) comprises a number of dialects and languages spoken in Tibet and the Himalayas. Burmic (Burmese in its widest application) includes Yi (Lolo), Hani, Lahu, Lisu, Kachin (Jingpo), Kuki-Chin, the obsolete Xixia (Tangut), and other languages. The Tibetan writing system (which dates from the 7th century) and the Burmese (dating from the 11th century) are derived from the Indo-Aryan (Indic) tradition. The Xixia system (developed in the 11th–13th century in northwestern China) was based on the Chinese model. Pictographic writing systems, which show some influence from Chinese, were developed within the past 500 years by Yi and Naxi (formerly Moso) tribes in western China. In modern times many Tibeto-Burman languages have acquired writing systems in Roman (Latin) script or in the script of the host country (Thai, Burmese, Indic, and others).
Classification
The old literary languages, Chinese, Tibetan, and Burmese, are generally considered as representatives of three major divisions within Sino-Tibetan (Sinitic, Tibetic, and Burmic, respectively). A fourth literary language, Thai, or Siamese (written from the 13th century), represents what was accepted for a long time as a Tai division of Sino-Tibetan or as a division of a Sino-Tai family. This relationship is now more commonly considered nongenetic in that most of the shared vocabulary is more likely attributable to a history of cultural borrowing than to derivation from a common ancestral language.
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Sinitic stands apart from Tibetic and Burmic on many grounds, including vocabulary, morphology, syntax, and phonology. Most scholars agree on combining Tibetic and Burmic into a Tibeto-Burman subfamily, which also includes Bodo-Garo or Baric but not Karenic. If Karenic is to be considered Sino-Tibetan, it must be set up as an independent member of a Tibeto-Karen group that includes Tibeto-Burman. The special affinities between Sinitic and Karenic (especially in syntax) are then considered secondary. The two closely related language groups, Hmong and Mien (also known as Miao and Yao), are thought by some to be very remotely related to Sino-Tibetan; they are spoken in western China and northern mainland Southeast Asia and may well be of Austro-Tai stock.
In attempting to determine the exact interrelationship of the Tai languages, Karenic, Sino-Tibetan, and several marginal tongues, scholars must keep in mind that a discernible layer of Sino-Tibetan features in a given language may have been superimposed upon an older, non-Sino-Tibetan foundation (called the substratum language). Attributing a language to Sino-Tibetan or to another family may depend entirely on the ability of scholars to identify the substratum. Thus, if Tai is not considered as a division of Sino-Tibetan, it is because the substratum has been recognized as Austronesian; if Karen is still included among Sino-Tibetan languages on some level, it is perhaps because identification of a substratum is still lacking. Among the languages that have been classified as Sino-Tibetan, a great many are known only from word lists or have not yet been described in a way that makes valid comparisons possible.
A number of Sino-Tibetan languages are enumerated below together with their most likely affiliation. Some scholars believe the Tibetic and Burmic divisions to be premature and that for the present their subdivisions (such as Bodish, Himalayish, Kirantish, Burmish, Kachinish, and Kukish) should be considered as the classificatory peaks around which other Sino-Tibetan languages group themselves as members or more or less distant relatives. Certainly the stage has not yet been reached in which definite boundaries can be laid down and ancestral Proto-, or Common, Tibetic and Proto-, or Common, Burmic can be undisputedly reconstructed.
