Vietnam is a country home of 54 ethnics living in harmony, in which Kinh ethnic accounts for 86% of the population. The rest 53 are roughly around one million people concluding Tay, Nung, Thai, Muong, Khmer and around several hundreds of O Du and Brau people.
The Kinh lives mainly at delta areas while the other minority ethnic groups live in mountainous and highland regions, stretching from the North to the South.
The ethnic minorities is unevenly developed. In Northern mountain areas, Muong, Thai, Tay, Nung residents live on paddy rice cultivation, raising poultries, hunting and crafts meanwhile ethnic minorities in the South are more isolated. Except for the Cham, Hoa and Khmer who have a better development, the most of remaining tribes in Central Highlands are self-sufficient living in small village.
Each ethnic group has its own language and traditional culture. 24 groups have their own writing such as Thai, Mong, Tay, Nung, Khmer, Giarai, Ede, Hoa, Cham,etc. The writings of several ethnic group even are used in school system.
Viet language is chosen as a general language for all ethnics. In education system, from kinder gardens to universities, it is used as a tool to deliver knowledge as well as communication all over Vietnam.
Viet writing has been brought to Vietnam from European missionaries from 17th century. A missioner named Alexandre de Rhodes introduced a typography based on Latin letters. Viet writing had been completed and developed and became the official writing of Vietnam since early 20th century.