<P> Although Mandarin and Hakka are the official variants of Chinese in Taiwan, Taiwanese Hokkien is widely spoken and used in media . Additionally, they are also taught at the primary school level and are used in public transportation announcements . There is also a thriving literary scene for both Taiwanese and Hakka alongside Mandarin . In 2002 the Taiwan Solidarity Union proposed making Taiwanese an co-official language, but this was criticized by both Blue and Green politicians as promoting Hoklo chauvinism at the expense of Hakka and the Aboriginal language . </P> <P> In Singapore, the public usage of varieties other than Standard Mandarin is discouraged as in China . The Singaporean government has actively promoted the Speak Mandarin Campaign (SMC) since the 1980s and forbids non-cable broadcasting and Chinese language medium of instruction in non-Mandarin varieties . However, since the mid-1990s, there has been a relaxation in allowing non-Mandarin broadcasting via cable networks and a massive following of Hong Kong television dramas and pop culture, which are in Cantonese . </P>

How many countries have mandarin as an official language