Official Language is a languagethat is given a special legal status in a particular country or state. It does not typically refer to the used of a particular language but by it's government. Well technically, English is the worldwide language that people always used. It is recognized along 51 countries. The Official language of the China, Taiwan, Singapore for also known as Mandarin. The standard languages uses in China are Standard Mandarin (Mainland), Cantonese (Hong Kong and Macau), English (Hong Kong), Portuguese (Macau).