Here's a listing of the ten most popular languages spoken worldwide, along with the estimated number of primary or first language speakers for that language. 1. Mandarin Chinese - 882,475,389 2. Spanish - 325,529,636 3. English - 311,992,760 4. Hindi - 181,780,905 5. Portuguese - 178,557,840 6. Bengali - 172,756,322 7. Russian - 146,327,183 8. Japanese - 128,278,015 9. German - 96,047,358 10. Wu Chinese - 77,998,190