Mandarin Chinese includes a standard variety of Chinese that is the sole official language of both China and Taiwan, and also one of the four official languages of Singapore which is the basis of Standard Mandarin.
Standard Chinese now dominates public life, and is much more widely studied than any other variety of Chinese
Mandarin is by far the largest of the seven or ten Chinese dialect groups; it is spoken by 70 percent of all Chinese speakers over a large geographical area that stretches from Yunnan in the southwest to Xinjiang in the northwest and Heilongjiang in the northeast

