The Han Chinese (so called for the Han dynasty) make up approximately 92% of the total population. They are linguistically homogeneous in the north, where they speak Mandarin (the basis of the national language, known as putonghua, of China), while in the south Cantonese, Wu, Hakka, and many other dialects are spoken (some 108 dialects are spoken in Fujian prov. alone). Putonghua is spoken as a first or second language by roughly half of the population. The written language is universal; Chinese ideographs are common to all the dialects.
Non-Chinese groups represent only about 8% of the population, but the interior regions in which they live constitute more than half of the total area of the country. Among the main non-Chinese minorities are the Zhuang, a Thai-speaking group, found principally in Guangxi; the Hui (Muslims), found chiefly in Ningxia; the Uigurs, who live mainly in Xinjiang; the Yi (Lolo), who live on the borders of Sichuan and Yunnan; the Tibetans, concentrated in Tibet and Qinghai; the Miao, widely distributed throughout the mountainous areas of S China; the Mongols, found chiefly in the Mongolian steppes; and the Koreans, who are concentrated in Manchuria.
The constitution of the People's Republic of China provides for religious freedom, but religious practice is not encouraged. Traditionally, Confucianism, Buddhism, Taoism, and ancestor worship were practiced in an eclectic mixture with varying appeals, and these religions have experienced a revival. Islam, the largest monotheistic sect, is found chiefly in the northwest. There is also a small but growing Christian minority. In recent years there have been some well-publicized confrontations between the Chinese government and religious groups. Places of worship for unregistered Christian churches and traditional sects have at times been destroyed, leaders of such groups have been sentenced to death on apparently trumped-up charges, and orthodox Islamic practices have been discouraged or suppressed out of fear that they would be a focus for Muslim-minority separatists. In 1999 the government banned the Falun Gong (Buddhist Law), a spiritual group with broad appeal that has organized public protests, and began an ongoing campaign to eradicate the religion. There also have been a number of attempts to assert government control over Tibetan Buddhism.
After the 1950s there was a steady migration of Chinese to growing industrial areas in outlying regions such as Xinjiang, Heilongjiang, Inner Mongolia, and Qinghai, which at times has resulted in ethnic tensions and violence. In addition, there has been increased movement to urban areas since the late 1970s; urban dwellers outnumbered rural ones for the first time in 2011. Millions of workers who migrated from rural areas since the late 1990s were unable to obtain permanent jobs or government services in the cities because of the restrictions of the residency registration system, often called hukou. In 2001, under pressure from businesses, the government announced a gradual reform of the hukou system, but most aspects of it remain in place.
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