Vietnam’s official language is Vietnamese, a tonal language spoken as a mother tongue by 90% the country’s population. Vietnamese is written using a 29 letter alphabetical system. However, the accent of Vietnamese varies from province to province. Besides Vietnamese, around 50 other languages are spoken by ethnic minorities. English is a popular foreign language and is used in most offices, restaurants… in big cities or tourism places. French, Russian, Chinese, Japanese… are also popular and can be found in tourist places.