None. Mandarin is only official in the People's Republic of China (mainland) and the Republic of China (Taiwan).
The official language in Wuhan, China is Mandarin Chinese.
The official language for China (the PRC) is Mandarin Chinese.
Mandarin was made the official language of China in 1913, during the Republic of China era. It was promoted as a common language to help unify the country's diverse linguistic groups.
Mandarin Chinese is spoken in the People's Republic of China (better known as China), Taiwan, Singapore, and Malaysia as an official language. Obviously, many other countries have a considerable population of Mandarin speakers.
Mandarin is the official dialect of the Chinese language. It is the most widely spoken dialect in China and serves as the official language of the country.
The official language of China is Mandarin.
Mandarin is the official language of China, Taiwan, and Singapore. It is also one of the four official languages of Malaysia.
Mandarin Chinese is the official language of China. In French it is spelled "le Mandarin."
China has only one official language Mandarin Chinese.
The only two countries in the world that have Mandarin as their official language are:The People's Republic of China (mainland China)The Republic of China (Taiwan)
Mandarin is the official Language of China though there are many other dialects.