|English is spoken by approximately 375 million people as their first language. English is probably the third largest language by number of native speakers, after Mandarin Chinese and Spanish. However, when combining native and non-native speakers it is probably the most commonly spoken language in the world.
Vietnamese is the national and official language of Vietnam. It is the mother tongue of 86% of Vietnam's population, and of about three million overseas Vietnamese. In total it is spoken by over 80 million people. Vietnamese has traditionally been divided into three dialect regions: North, Central, and South.