1. Mandarin Chinese (1.121 billion)
2. Spanish (534 million)
3. English (408 million)
4. Hindi (341 million)
5. Arabic (319 million)
6. Bengali (270 million)
7. Portuguese (260 million)
8. Russian (258 million)
9. Japanese (126 million)
10. German (120 million)
These languages are spoken by over half of the world's population.
