Reasons: It is spoken by over 1.1 billion people worldwide. 2nd most spoken language in the world. Spoken in 21 countries. The Mandarin alphabet has 21 letters. Fun fact: Mandarin has written records dating back to the 4th century B.C. What would you like to do now? Request a quote. Learn more about our courses. Learn more about us and our methodology. Request a free trial class. You Might Also Like Why Study French 23 September, 2024 Why Study Portuguese 23 September, 2024 Why Study Italian 23 September, 2024