ZURICH, Nov. 19, 2025 /PRNewswire/ -- EF (Education First), a global provider of culturally immersive education, released the 2025 edition of its EF English Proficiency Index (EF EPI), the world's ...

English continues to dominate global communication. It is the primary language for international business, science, higher education, diplomacy, and tourism. But fluency levels vary dramatically ...