There are 54 ethnic groups in Vietnam, one of which is called the Chinese, and the language is mainly cantonese.
Vietnam has 90 million people (November 2013) and 54 ethnic groups, with the jing ethnic group accounting for 86% of the total population. The main language is Vietnamese (official language, common language, main national language). Main religions: Buddhism, Catholicism, good religion and gaotai religion.
Vietnam is located in the east of indo-china peninsula, bordering China to the north, Laos and Cambodia to the west, and facing the south China sea to the east and south. The coastline is more than 3,260 kilometers long. Located south of the tropic of cancer, a tropical monsoon climate, high temperature and rain. The average annual temperature is about 24℃. The average annual rainfall is 1500 ~ 2000 mm.